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annotate roundup/hyperdb.py @ 5466:09966de4d3f6

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Python 3 built-in types can't be compared against None
author Christof Meerwald <cmeerw@cmeerw.org>
date Sat, 28 Jul 2018 20:34:31 +0100
parents 87f22a5d65ca
children 9a09719b0d8e
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17 #
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18
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19 """Hyperdatabase implementation, especially field types.
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20 """
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21 __docformat__ = 'restructuredtext'
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22
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23 # standard python modules
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24 import os, re, shutil, sys, weakref
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25 import traceback
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26 import logging
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27
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28 # roundup modules
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29 from . import date, password
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30 from .support import ensureParentsExist, PrioList
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31 from roundup.i18n import _
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32 from roundup.cgi.exceptions import DetectorError
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33
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34 logger = logging.getLogger('roundup.hyperdb')
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35
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36 try:
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37 None < 0
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38 def _NoneComparable(v):
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39 return v
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40 except TypeError:
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41 class _NoneComparable(object):
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42 def __init__(self, value):
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43 self.value = value
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44
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45 def __cmp__(self, other):
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46 if not isinstance(other, self.__class__):
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47 raise TypeError('not comparable')
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48
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49 if self.value is None and other.value is None:
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50 return 0
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51 elif self.value is None:
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52 return -1
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53 elif other.value is None:
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54 return 1
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55 elif type(self.value) == type(()) and type(other.value) == type(()):
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56 for lhs, rhs in zip(self.value, other.value):
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57 result = _NoneComparable(lhs).__cmp__(_NoneComparable(rhs))
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58 if result != 0:
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59 return result
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60 return len(self.value) - len(other.value)
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61 elif self.value < other.value:
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62 return -1
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63 elif self.value > other.value:
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64 return 1
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65 else:
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66 return 0
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67
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68 def __eq__(self, other):
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69 return self.__cmp__(other) == 0
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70 def __ne__(self, other):
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71 return self.__cmp__(other) != 0
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72 def __lt__(self, other):
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73 return self.__cmp__(other) < 0
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74 def __le__(self, other):
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75 return self.__cmp__(other) <= 0
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76 def __ge__(self, other):
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77 return self.__cmp__(other) >= 0
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78 def __gt__(self, other):
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79 return self.__cmp__(other) > 0
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80
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81 #
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82 # Types
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83 #
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84 class _Type(object):
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85 """A roundup property type."""
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86 def __init__(self, required=False, default_value = None, quiet=False):
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87 self.required = required
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88 self.__default_value = default_value
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89 self.quiet = quiet
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90 def __repr__(self):
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91 ' more useful for dumps '
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92 return '<%s.%s>'%(self.__class__.__module__, self.__class__.__name__)
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93 def get_default_value(self):
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94 """The default value when creating a new instance of this property."""
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95 return self.__default_value
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96 def sort_repr (self, cls, val, name):
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97 """Representation used for sorting. This should be a python
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98 built-in type, otherwise sorting will take ages. Note that
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99 individual backends may chose to use something different for
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100 sorting as long as the outcome is the same.
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101 """
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102 return val
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103
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104 class String(_Type):
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105 """An object designating a String property."""
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106 def __init__(self, indexme='no', required=False, default_value = "", quiet=False):
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107 super(String, self).__init__(required, default_value, quiet)
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108 self.indexme = indexme == 'yes'
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109 def from_raw(self, value, propname='', **kw):
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110 """fix the CRLF/CR -> LF stuff"""
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111 if propname == 'content':
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112 # Why oh why wasn't the FileClass content property a File
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113 # type from the beginning?
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114 return value
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115 return fixNewlines(value)
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116 def sort_repr (self, cls, val, name):
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117 if not val:
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118 return val
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119 if name == 'id':
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120 return int(val)
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121 return val.lower()
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122
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123 class Password(_Type):
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124 """An object designating a Password property."""
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125 def __init__(self, scheme=None, required=False, default_value = None, quiet=False):
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126 super(Password, self).__init__(required, default_value, quiet)
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127 self.scheme = scheme
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128
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129 def from_raw(self, value, **kw):
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130 if not value:
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131 return None
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132 try:
5053
9792b18e0b19 issue 2550880: Ability to choose password store scheme and SSHA support.
John Rouillard <rouilj@ieee.org>
parents: 4995
diff changeset
133 return password.Password(encrypted=value, scheme=self.scheme, strict=True)
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
134 except password.PasswordValueError as message:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
135 raise HyperdbValueError(_('property %s: %s')%(kw['propname'], message))
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4472
diff changeset
136
3682
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parents: 3668
diff changeset
137 def sort_repr (self, cls, val, name):
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
138 if not val:
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
139 return val
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parents: 3668
diff changeset
140 return str(val)
270
a4241ddd22d7 Added the Password property type.
Richard Jones <richard@users.sourceforge.net>
parents: 264
diff changeset
141
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
142 class Date(_Type):
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
143 """An object designating a Date property."""
5112
8901cc4ef0e0 - issue1714899: Feature Request: Optional Change Note. Added a new
John Rouillard <rouilj@ieee.org>
parents: 5101
diff changeset
144 def __init__(self, offset=None, required=False, default_value = None, quiet=False):
4481
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
145 super(Date, self).__init__(required = required,
5112
8901cc4ef0e0 - issue1714899: Feature Request: Optional Change Note. Added a new
John Rouillard <rouilj@ieee.org>
parents: 5101
diff changeset
146 default_value = default_value,
8901cc4ef0e0 - issue1714899: Feature Request: Optional Change Note. Added a new
John Rouillard <rouilj@ieee.org>
parents: 5101
diff changeset
147 quiet=quiet)
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
148 self._offset = offset
3682
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
149 def offset(self, db):
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
150 if self._offset is not None:
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
151 return self._offset
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
152 return db.getUserTimezone()
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
153 def from_raw(self, value, db, **kw):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
154 try:
3621
77ed6c517793 timezone support (patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3601
diff changeset
155 value = date.Date(value, self.offset(db))
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
156 except ValueError as message:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
157 raise HyperdbValueError(_('property %s: %r is an invalid '\
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
158 'date (%s)')%(kw['propname'], value, message))
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
159 return value
3586
f47bddab5a49 date spec wasn't allowing week intervals
Richard Jones <richard@users.sourceforge.net>
parents: 3545
diff changeset
160 def range_from_raw(self, value, db):
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
161 """return Range value from given raw value with offset correction"""
3586
f47bddab5a49 date spec wasn't allowing week intervals
Richard Jones <richard@users.sourceforge.net>
parents: 3545
diff changeset
162 return date.Range(value, date.Date, offset=self.offset(db))
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
163 def sort_repr (self, cls, val, name):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
164 if not val:
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
165 return val
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
166 return str(val)
25
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parents:
diff changeset
167
3682
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parents: 3668
diff changeset
168 class Interval(_Type):
224
ad2c98faec97 using isinstance(blah, Foo) now instead of isFooType
Richard Jones <richard@users.sourceforge.net>
parents: 214
diff changeset
169 """An object designating an Interval property."""
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
170 def from_raw(self, value, **kw):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
171 try:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
172 value = date.Interval(value)
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
173 except ValueError as message:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
174 raise HyperdbValueError(_('property %s: %r is an invalid '\
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
175 'date interval (%s)')%(kw['propname'], value, message))
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
176 return value
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
177 def sort_repr (self, cls, val, name):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
178 if not val:
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
179 return val
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
180 return val.as_seconds()
25
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parents:
diff changeset
181
3682
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parents: 3668
diff changeset
182 class _Pointer(_Type):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
183 """An object designating a Pointer property that links or multilinks
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
184 to a node in a specified class."""
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
185 def __init__(self, classname, do_journal='yes', try_id_parsing='yes',
5063
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
186 required=False, default_value=None,
5112
8901cc4ef0e0 - issue1714899: Feature Request: Optional Change Note. Added a new
John Rouillard <rouilj@ieee.org>
parents: 5101
diff changeset
187 msg_header_property = None, quiet=False):
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
188 """ Default is to journal link and unlink events.
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
189 When try_id_parsing is false, we don't allow IDs in input
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
190 fields (the key of the Link or Multilink property must be
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
191 given instead). This is useful when the name of a property
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
192 can be numeric. It will only work if the linked item has a
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
193 key property and is a questionable feature for multilinks.
5063
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
194 The msg_header_property is used in the mail gateway when
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
195 sending out messages: By default roundup creates headers of
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
196 the form: 'X-Roundup-issue-prop: value' for all properties
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
197 prop of issue that have a 'name' property. This definition
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
198 allows to override the 'name' property. A common use-case is
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
199 adding a mail-header with the assigned_to property to allow
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
200 user mail-filtering of issue-emails for which they're
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
201 responsible. In that case setting
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
202 'msg_header_property="username"' for the assigned_to
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
203 property will generated message headers of the form:
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
204 'X-Roundup-issue-assigned_to: joe_user'.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
205 """
5112
8901cc4ef0e0 - issue1714899: Feature Request: Optional Change Note. Added a new
John Rouillard <rouilj@ieee.org>
parents: 5101
diff changeset
206 super(_Pointer, self).__init__(required, default_value, quiet)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
207 self.classname = classname
555
5fd94347c6f2 Journal entries for link and multilink properties can now be switched on or off.
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 543
diff changeset
208 self.do_journal = do_journal == 'yes'
5063
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
209 self.try_id_parsing = try_id_parsing == 'yes'
2840a9e86ef2 New Link/Multilink attribute 'msg_header_property'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5053
diff changeset
210 self.msg_header_property = msg_header_property
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
211 def __repr__(self):
3682
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
212 """more useful for dumps. But beware: This is also used in schema
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
213 storage in SQL backends!
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
214 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
215 return '<%s.%s to "%s">'%(self.__class__.__module__,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
216 self.__class__.__name__, self.classname)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
217
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
218 class Link(_Pointer):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
219 """An object designating a Link property that links to a
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
220 node in a specified class."""
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
221 def from_raw(self, value, db, propname, **kw):
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
222 if (self.try_id_parsing and value == '-1') or not value:
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
223 value = None
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
224 else:
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
225 if self.try_id_parsing:
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
226 value = convertLinkValue(db, propname, self, value)
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
227 else:
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
228 value = convertLinkValue(db, propname, self, value, None)
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
229 return value
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
230 def sort_repr (self, cls, val, name):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
231 if not val:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
232 return val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
233 op = cls.labelprop()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
234 if op == 'id':
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
235 return int(cls.get(val, op))
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
236 return cls.get(val, op)
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
237
3682
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
238 class Multilink(_Pointer):
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
239 """An object designating a Multilink property that links
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240 to nodes in a specified class.
557
dfac856502d1 brief docco on the do_journal argument
Richard Jones <richard@users.sourceforge.net>
parents: 555
diff changeset
241
dfac856502d1 brief docco on the do_journal argument
Richard Jones <richard@users.sourceforge.net>
parents: 555
diff changeset
242 "classname" indicates the class to link to
dfac856502d1 brief docco on the do_journal argument
Richard Jones <richard@users.sourceforge.net>
parents: 555
diff changeset
243
dfac856502d1 brief docco on the do_journal argument
Richard Jones <richard@users.sourceforge.net>
parents: 555
diff changeset
244 "do_journal" indicates whether the linked-to nodes should have
dfac856502d1 brief docco on the do_journal argument
Richard Jones <richard@users.sourceforge.net>
parents: 555
diff changeset
245 'link' and 'unlink' events placed in their journal
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
246 """
4481
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
247
5169
7b74a5addfea fix multilink support of try_id_parsing=no and add test for multilink cases.
John Rouillard <rouilj@ieee.org>
parents: 5112
diff changeset
248 def __init__(self, classname, do_journal = 'yes', required = False, quiet=False, try_id_parsing='yes'):
4481
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
249
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
250 super(Multilink, self).__init__(classname,
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
251 do_journal,
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
252 required = required,
5169
7b74a5addfea fix multilink support of try_id_parsing=no and add test for multilink cases.
John Rouillard <rouilj@ieee.org>
parents: 5112
diff changeset
253 default_value = [], quiet=quiet,
7b74a5addfea fix multilink support of try_id_parsing=no and add test for multilink cases.
John Rouillard <rouilj@ieee.org>
parents: 5112
diff changeset
254 try_id_parsing=try_id_parsing)
4481
9bbf3758c16a Allow default value declaration in DB schema.
Stefan Seefeld <stefan@seefeld.name>
parents: 4480
diff changeset
255
3383
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
256 def from_raw(self, value, db, klass, propname, itemid, **kw):
3668
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
257 if not value:
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
258 return []
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
259
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
260 # get the current item value if it's not a new item
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
261 if itemid and not itemid.startswith('-'):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
262 curvalue = klass.get(itemid, propname)
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
263 else:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
264 curvalue = []
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
265
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
266 # if the value is a comma-separated string then split it now
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
267 if isinstance(value, type('')):
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
268 value = value.split(',')
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
269
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
270 # handle each add/remove in turn
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
271 # keep an extra list for all items that are
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
272 # definitely in the new list (in case of e.g.
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
273 # <propname>=A,+B, which should replace the old
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
274 # list with A,B)
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 4063
diff changeset
275 do_set = 1
3383
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
276 newvalue = []
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
277 for item in value:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
278 item = item.strip()
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
279
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
280 # skip blanks
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
281 if not item: continue
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
282
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
283 # handle +/-
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
284 remove = 0
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
285 if item.startswith('-'):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
286 remove = 1
5069
2706b66675bf issue2550763 Strip whitespace from Multilink values after + or -.
John Rouillard <rouilj@ieee.org>
parents: 5067
diff changeset
287 item = item[1:].strip()
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 4063
diff changeset
288 do_set = 0
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
289 elif item.startswith('+'):
5069
2706b66675bf issue2550763 Strip whitespace from Multilink values after + or -.
John Rouillard <rouilj@ieee.org>
parents: 5067
diff changeset
290 item = item[1:].strip()
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 4063
diff changeset
291 do_set = 0
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
292
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
293 # look up the value
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
294 if self.try_id_parsing:
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
295 itemid = convertLinkValue(db, propname, self, item)
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
296 else:
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
297 itemid = convertLinkValue(db, propname, self, item, None)
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
298
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
299 # perform the add/remove
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Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
300 if remove:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
301 try:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
302 curvalue.remove(itemid)
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
303 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
304 raise HyperdbValueError(_('property %s: %r is not ' \
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
305 'currently an element')%(propname, item))
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
306 else:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
307 newvalue.append(itemid)
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
308 if itemid not in curvalue:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
309 curvalue.append(itemid)
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
310
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
311 # that's it, set the new Multilink property value,
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
312 # or overwrite it completely
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 4063
diff changeset
313 if do_set:
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
314 value = newvalue
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
315 else:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
316 value = curvalue
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
317
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
318 # TODO: one day, we'll switch to numeric ids and this will be
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
319 # unnecessary :(
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
320 value = [int(x) for x in value]
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
321 value.sort()
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
322 value = [str(x) for x in value]
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
323 return value
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
324
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
325 def sort_repr (self, cls, val, name):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
326 if not val:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
327 return val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
328 op = cls.labelprop()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
329 if op == 'id':
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
330 return [int(cls.get(v, op)) for v in val]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
331 return [cls.get(v, op) for v in val]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
332
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
333 class Boolean(_Type):
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 858
diff changeset
334 """An object designating a boolean property"""
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
335 def from_raw(self, value, **kw):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
336 value = value.strip()
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
337 # checked is a common HTML checkbox value
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
338 value = value.lower() in ('checked', 'yes', 'true', 'on', '1')
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
339 return value
2603
5ccd99777869 fix metakit handling of filter on Link==None; fix some unit tests
Richard Jones <richard@users.sourceforge.net>
parents: 2571
diff changeset
340
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
341 class Number(_Type):
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 858
diff changeset
342 """An object designating a numeric property"""
5175
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
343 def __init__(self, use_double = False, **kw):
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
344 """ The value use_double tells the database backend to use a
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
345 floating-point format with more precision than the default.
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
346 Usually implemented by type 'double precision' in the sql
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
347 backend. The default is to use single-precision float (aka
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
348 'real') in the db. Note that sqlite already uses 8-byte for
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
349 floating point numbers.
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
350 """
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
351 self.use_double = use_double
e1e40674a0bc Implement double-precision Number
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5169
diff changeset
352 super(Number, self).__init__(**kw)
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
353 def from_raw(self, value, **kw):
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
354 value = value.strip()
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
355 try:
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
356 value = float(value)
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
357 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
358 raise HyperdbValueError(_('property %s: %r is not a number')%(
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
359 kw['propname'], value))
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
360 return value
5067
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
361
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
362 class Integer(_Type):
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
363 """An object designating an integer property"""
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
364 def from_raw(self, value, **kw):
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
365 value = value.strip()
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
366 try:
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
367 value = int(value)
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
368 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
369 raise HyperdbValueError(_('property %s: %r is not an integer')%(
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
370 kw['propname'], value))
5067
e424987d294a Add support for an integer type to join the existing number type.
John Rouillard <rouilj@ieee.org>
parents: 5063
diff changeset
371 return value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
372 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
373 # Support for splitting designators
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
374 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
375 class DesignatorError(ValueError):
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
376 pass
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
377 def splitDesignator(designator, dre=re.compile(r'([^\d]+)(\d+)')):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
378 """ Take a foo123 and return ('foo', 123)
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
379 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
380 m = dre.match(designator)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
381 if m is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
382 raise DesignatorError(_('"%s" not a node designator')%designator)
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
383 return m.group(1), m.group(2)
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
384
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
385 class Proptree(object):
4935
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
386 """ Simple tree data structure for property lookup. Each node in
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
387 the tree is a roundup Class Property that has to be navigated to
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
388 find given property. The need_for attribute is used to mark nodes
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
389 that are used for sorting, searching or retrieval: The attribute
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
390 is a dictionary containing one or several of the values 'sort',
adb8b787e157 Attempt to clarify hyperdb.Proptree meaning
anatoly techtonik <techtonik@gmail.com>
parents: 4877
diff changeset
391 'search', 'retrieve'.
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
392
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
393 The Proptree is also used for transitively searching attributes for
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
394 backends that do not support transitive search (e.g. anydbm). The
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
395 _val attribute with set_val is used for this.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
396 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
397
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
398 def __init__(self, db, cls, name, props, parent=None, retr=False):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
399 self.db = db
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
400 self.name = name
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
401 self.props = props
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
402 self.parent = parent
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
403 self._val = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
404 self.has_values = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
405 self.cls = cls
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
406 self.classname = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
407 self.uniqname = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
408 self.children = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
409 self.sortattr = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
410 self.propdict = {}
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
411 self.need_for = {'search' : True}
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
412 self.sort_direction = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
413 self.sort_ids = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
414 self.sort_ids_needed = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
415 self.sort_result = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
416 self.attr_sort_done = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
417 self.tree_sort_done = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
418 self.propclass = None
3695
01ea89743311 Add an attribute for sort-order fix in rdbms backends
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3687
diff changeset
419 self.orderby = []
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
420 self.sql_idx = None # index of retrieved column in sql result
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
421 if parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
422 self.root = parent.root
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
423 self.depth = parent.depth + 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
424 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
425 self.root = self
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
426 self.seqno = 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
427 self.depth = 0
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
428 self.need_for['sort'] = True
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
429 self.id = self.root.seqno
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
430 self.root.seqno += 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
431 if self.cls:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
432 self.classname = self.cls.classname
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
433 self.uniqname = '%s%s' % (self.cls.classname, self.id)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
434 if not self.parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
435 self.uniqname = self.cls.classname
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
436 if retr:
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
437 self.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
438
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
439 def append(self, name, need_for='search', retr=False):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
440 """Append a property to self.children. Will create a new
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
441 propclass for the child.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
442 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
443 if name in self.propdict:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
444 pt = self.propdict[name]
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
445 pt.need_for[need_for] = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
446 if retr and isinstance(pt.propclass, Link):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
447 pt.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
448 return pt
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
449 propclass = self.props[name]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
450 cls = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
451 props = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
452 if isinstance(propclass, (Link, Multilink)):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
453 cls = self.db.getclass(propclass.classname)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
454 props = cls.getprops()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
455 child = self.__class__(self.db, cls, name, props, parent = self)
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
456 child.need_for = {need_for : True}
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
457 child.propclass = propclass
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
458 self.children.append(child)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
459 self.propdict[name] = child
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
460 if retr and isinstance(child.propclass, Link):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
461 child.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
462 return child
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
463
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
464 def append_retr_props(self):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
465 """Append properties for retrieval."""
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
466 for name, prop in self.cls.getprops(protected=1).items():
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
467 if isinstance(prop, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
468 continue
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
469 self.append(name, need_for='retrieve')
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
470
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
471 def compute_sort_done(self, mlseen=False):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
472 """ Recursively check if attribute is needed for sorting
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
473 ('sort' in self.need_for) or all children have tree_sort_done set and
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
474 sort_ids_needed unset: set self.tree_sort_done if one of the conditions
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
475 holds. Also remove sort_ids_needed recursively once having seen a
4850
6998ad77841e Fix bug in SQL generation
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4687
diff changeset
476 Multilink that is used for sorting.
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
477 """
4850
6998ad77841e Fix bug in SQL generation
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4687
diff changeset
478 if isinstance (self.propclass, Multilink) and 'sort' in self.need_for:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
479 mlseen = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
480 if mlseen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
481 self.sort_ids_needed = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
482 self.tree_sort_done = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
483 for p in self.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
484 p.compute_sort_done(mlseen)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
485 if not p.tree_sort_done:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
486 self.tree_sort_done = False
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
487 if 'sort' not in self.need_for:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
488 self.tree_sort_done = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
489 if mlseen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
490 self.tree_sort_done = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
491
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
492 def ancestors(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
493 p = self
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
494 while p.parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
495 yield p
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
496 p = p.parent
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
497
5318
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
498 def search(self, search_matches=None, sort=True, retired=False):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
499 """ Recursively search for the given properties in a proptree.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
500 Once all properties are non-transitive, the search generates a
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
501 simple _filter call which does the real work
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
502 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
503 filterspec = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
504 for p in self.children:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
505 if 'search' in p.need_for:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
506 if p.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
507 p.search(sort = False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
508 filterspec[p.name] = p.val
5318
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
509 self.val = self.cls._filter(search_matches, filterspec, sort and self,
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
510 retired=retired)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
511 return self.val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
512
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
513 def sort (self, ids=None):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
514 """ Sort ids by the order information stored in self. With
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
515 optimisations: Some order attributes may be precomputed (by the
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
516 backend) and some properties may already be sorted.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
517 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
518 if ids is None:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
519 ids = self.val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
520 if self.sortattr and [s for s in self.sortattr if not s.attr_sort_done]:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
521 return self._searchsort(ids, True, True)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
522 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
523
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
524 def sortable_children(self, intermediate=False):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
525 """ All children needed for sorting. If intermediate is True,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
526 intermediate nodes (not being a sort attribute) are returned,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
527 too.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
528 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
529 return [p for p in self.children
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
530 if 'sort' in p.need_for and (intermediate or p.sort_direction)]
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
531
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
532 def __iter__(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
533 """ Yield nodes in depth-first order -- visited nodes first """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
534 for p in self.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
535 yield p
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
536 for c in p:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
537 yield c
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
538
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
539 def _get (self, ids):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
540 """Lookup given ids -- possibly a list of list. We recurse until
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
541 we have a list of ids.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
542 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
543 if not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
544 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
545 if isinstance (ids[0], list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
546 cids = [self._get(i) for i in ids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
547 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
548 cids = [i and self.parent.cls.get(i, self.name) for i in ids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
549 if self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
550 cids = [self._searchsort(i, False, True) for i in cids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
551 return cids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
552
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
553 def _searchsort(self, ids=None, update=True, dosort=True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
554 """ Recursively compute the sort attributes. Note that ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
555 may be a deeply nested list of lists of ids if several
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
556 multilinks are encountered on the way from the root to an
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
557 individual attribute. We make sure that everything is properly
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
558 sorted on the way up. Note that the individual backend may
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
559 already have precomputed self.result or self.sort_ids. In this
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
560 case we do nothing for existing sa.result and recurse further if
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
561 self.sort_ids is available.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
562
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
563 Yech, Multilinks: This gets especially complicated if somebody
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
564 sorts by different attributes of the same multilink (or
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
565 transitively across several multilinks). My use-case is sorting
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
566 by issue.messages.author and (reverse) by issue.messages.date.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
567 In this case we sort the messages by author and date and use
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
568 this sorted list twice for sorting issues. This means that
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
569 issues are sorted by author and then by the time of the messages
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
570 *of this author*. Probably what the user intends in that case,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
571 so we do *not* use two sorted lists of messages, one sorted by
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
572 author and one sorted by date for sorting issues.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
573 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
574 for pt in self.sortable_children(intermediate = True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
575 # ids can be an empty list
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
576 if pt.tree_sort_done or not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
577 continue
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
578 if pt.sort_ids: # cached or computed by backend
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
579 cids = pt.sort_ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
580 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
581 cids = pt._get(ids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
582 if pt.sort_direction and not pt.sort_result:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
583 sortrep = pt.propclass.sort_repr
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
584 pt.sort_result = pt._sort_repr(sortrep, cids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
585 pt.sort_ids = cids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
586 if pt.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
587 pt._searchsort(cids, update, False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
588 if self.sortattr and dosort:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
589 ids = self._sort(ids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
590 if not update:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
591 for pt in self.sortable_children(intermediate = True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
592 pt.sort_ids = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
593 for pt in self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
594 pt.sort_result = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
595 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
596
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
597 def _set_val(self, val):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
598 """Check if self._val is already defined. If yes, we compute the
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
599 intersection of the old and the new value(s)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
600 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
601 if self.has_values:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
602 v = self._val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
603 if not isinstance(self._val, type([])):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
604 v = [self._val]
4089
eddb82d0964c Add compatibility package to allow us to deal with Python versions 2.3..2.6.
Richard Jones <richard@users.sourceforge.net>
parents: 4063
diff changeset
605 vals = set(v)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
606 vals.intersection_update(val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
607 self._val = [v for v in vals]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
608 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
609 self._val = val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
610 self.has_values = True
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
611
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
612 val = property(lambda self: self._val, _set_val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
613
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
614 def _sort(self, val):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
615 """Finally sort by the given sortattr.sort_result. Note that we
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
616 do not sort by attrs having attr_sort_done set. The caller is
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
617 responsible for setting attr_sort_done only for trailing
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
618 attributes (otherwise the sort order is wrong). Since pythons
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
619 sort is stable, we can sort already sorted lists without
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
620 destroying the sort-order for items that compare equal with the
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
621 current sort.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
622
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
623 Sorting-Strategy: We sort repeatedly by different sort-keys from
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
624 right to left. Since pythons sort is stable, we can safely do
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
625 that. An optimisation is a "run-length encoding" of the
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
626 sort-directions: If several sort attributes sort in the same
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
627 direction we can combine them into a single sort. Note that
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
628 repeated sorting is probably more efficient than using
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
629 compare-methods in python due to the overhead added by compare
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
630 methods.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
631 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
632 if not val:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
633 return val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
634 sortattr = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
635 directions = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
636 dir_idx = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
637 idx = 0
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
638 curdir = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
639 for sa in self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
640 if sa.attr_sort_done:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
641 break
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
642 if sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
643 assert len(sortattr[0]) == len(sa.sort_result)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
644 sortattr.append (sa.sort_result)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
645 if curdir != sa.sort_direction:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
646 dir_idx.append (idx)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
647 directions.append (sa.sort_direction)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
648 curdir = sa.sort_direction
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
649 idx += 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
650 sortattr.append (val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
651 sortattr = zip (*sortattr)
5397
f2c5e0f6506e Python 3 preparation: use list() around zip() as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5395
diff changeset
652 for dir, i in reversed(list(zip(directions, dir_idx))):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
653 rev = dir == '-'
5466
09966de4d3f6 Python 3 built-in types can't be compared against None
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5460
diff changeset
654 sortattr = sorted (sortattr,
09966de4d3f6 Python 3 built-in types can't be compared against None
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5460
diff changeset
655 key = lambda x: _NoneComparable(x[i:idx]),
09966de4d3f6 Python 3 built-in types can't be compared against None
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5460
diff changeset
656 reverse = rev)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
657 idx = i
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
658 return [x[-1] for x in sortattr]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
659
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
660 def _sort_repr(self, sortrep, ids):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
661 """Call sortrep for given ids -- possibly a list of list. We
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
662 recurse until we have a list of ids.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
663 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
664 if not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
665 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
666 if isinstance (ids[0], list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
667 res = [self._sort_repr(sortrep, i) for i in ids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
668 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
669 res = [sortrep(self.cls, i, self.name) for i in ids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
670 return res
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
671
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
672 def __repr__(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
673 r = ["proptree:" + self.name]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
674 for n in self:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
675 r.append("proptree:" + " " * n.depth + n.name)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
676 return '\n'.join(r)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
677 __str__ = __repr__
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
678
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
679 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
680 # the base Database class
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
681 #
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
682 class DatabaseError(ValueError):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
683 """Error to be raised when there is some problem in the database code
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
684 """
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
685 pass
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
686 class Database:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
687 """A database for storing records containing flexible data types.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
688
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
689 This class defines a hyperdatabase storage layer, which the Classes use to
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
690 store their data.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
691
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
692
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
693 Transactions
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
694 ------------
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
695 The Database should support transactions through the commit() and
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
696 rollback() methods. All other Database methods should be transaction-aware,
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
697 using data from the current transaction before looking up the database.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
698
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
699 An implementation must provide an override for the get() method so that the
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
700 in-database value is returned in preference to the in-transaction value.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
701 This is necessary to determine if any values have changed during a
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
702 transaction.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
703
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
704
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
705 Implementation
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
706 --------------
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
707
1926
3bdd34547fa7 Remove implementations of Class.getnode from back_anydbm and rdbms_common...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1905
diff changeset
708 All methods except __repr__ must be implemented by a concrete backend Database.
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
709
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
710 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
711
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
712 # flag to set on retired entries
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
713 RETIRED_FLAG = '__hyperdb_retired'
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
714
3491
0e5f15520e70 fix detection of "missing" existing values in CGI form parser [SF#1414149]
Richard Jones <richard@users.sourceforge.net>
parents: 3488
diff changeset
715 BACKEND_MISSING_STRING = None
0e5f15520e70 fix detection of "missing" existing values in CGI form parser [SF#1414149]
Richard Jones <richard@users.sourceforge.net>
parents: 3488
diff changeset
716 BACKEND_MISSING_NUMBER = None
0e5f15520e70 fix detection of "missing" existing values in CGI form parser [SF#1414149]
Richard Jones <richard@users.sourceforge.net>
parents: 3488
diff changeset
717 BACKEND_MISSING_BOOLEAN = None
0e5f15520e70 fix detection of "missing" existing values in CGI form parser [SF#1414149]
Richard Jones <richard@users.sourceforge.net>
parents: 3488
diff changeset
718
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 490
diff changeset
719 def __init__(self, config, journaltag=None):
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
720 """Open a hyperdatabase given a specifier to some storage.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
721
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 490
diff changeset
722 The 'storagelocator' is obtained from config.DATABASE.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
723 The meaning of 'storagelocator' depends on the particular
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
724 implementation of the hyperdatabase. It could be a file name,
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
725 a directory path, a socket descriptor for a connection to a
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
726 database over the network, etc.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
727
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
728 The 'journaltag' is a token that will be attached to the journal
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
729 entries for any edits done on the database. If 'journaltag' is
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
730 None, the database is opened in read-only mode: the Class.create(),
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
731 Class.set(), and Class.retire() methods are disabled.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
732 """
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
733 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
734
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
735 def post_init(self):
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
736 """Called once the schema initialisation has finished.
1840
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
737 If 'refresh' is true, we want to rebuild the backend
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
738 structures.
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
739 """
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
740 raise NotImplementedError
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
741
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
742 def refresh_database(self):
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
743 """Called to indicate that the backend should rebuild all tables
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
744 and structures. Not called in normal usage."""
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
745 raise NotImplementedError
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
746
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
747 def __getattr__(self, classname):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
748 """A convenient way of calling self.getclass(classname)."""
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
749 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
750
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
751 def addclass(self, cl):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
752 """Add a Class to the hyperdatabase.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
753 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
754 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
755
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
756 def getclasses(self):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
757 """Return a list of the names of all existing classes."""
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
758 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
759
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
760 def getclass(self, classname):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
761 """Get the Class object representing a particular class.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
762
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
763 If 'classname' is not a valid class name, a KeyError is raised.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
764 """
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
765 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
766
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
767 def clear(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
768 """Delete all database contents.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
769 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
770 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
771
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
772 def getclassdb(self, classname, mode='r'):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
773 """Obtain a connection to the class db that will be used for
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
774 multiple actions.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
775 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
776 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
777
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
778 def addnode(self, classname, nodeid, node):
1928
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
779 """Add the specified node to its class's db.
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
780 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
781 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
782
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
783 def serialise(self, classname, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
784 """Copy the node contents, converting non-marshallable data into
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
785 marshallable data.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
786 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
787 return node
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
788
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
789 def setnode(self, classname, nodeid, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
790 """Change the specified node.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
791 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
792 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
793
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
794 def unserialise(self, classname, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
795 """Decode the marshalled node data
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
796 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
797 return node
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
798
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
799 def getnode(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
800 """Get a node from the database.
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
801
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
802 'cache' exists for backwards compatibility, and is not used.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
803 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
804 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
805
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
806 def hasnode(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
807 """Determine if the database has a given node.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
808 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
809 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
810
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
811 def countnodes(self, classname):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
812 """Count the number of nodes that exist for a particular Class.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
813 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
814 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
815
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
816 def storefile(self, classname, nodeid, property, content):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
817 """Store the content of the file in the database.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
818
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
819 The property may be None, in which case the filename does not
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
820 indicate which property is being saved.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
821 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
822 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
823
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
824 def getfile(self, classname, nodeid, property):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
825 """Get the content of the file in the database.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
826 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
827 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
828
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
829 def addjournal(self, classname, nodeid, action, params):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
830 """ Journal the Action
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
831 'action' may be:
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
832
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
833 'set' -- 'params' is a dictionary of property values
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
834 'create' -- 'params' is an empty dictionary as of
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
835 Wed Nov 06 11:38:43 2002 +0000
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
836 'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
837 'retired' or 'restored'-- 'params' is None
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
838 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
839 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
840
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
841 def getjournal(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
842 """ get the journal for id
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
843 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
844 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
845
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 557
diff changeset
846 def pack(self, pack_before):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
847 """ pack the database
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
848 """
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 557
diff changeset
849 raise NotImplementedError
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 557
diff changeset
850
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
851 def commit(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
852 """ Commit the current transactions.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
853
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
854 Save all data changed since the database was opened or since the
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
855 last commit() or rollback().
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
856 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
857 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
858
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
859 def rollback(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
860 """ Reverse all actions from the current transaction.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
861
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
862 Undo all the changes made since the database was opened or the last
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
863 commit() or rollback() was performed.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
864 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
865 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
866
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
867 def close(self):
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
868 """Close the database.
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
869
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
870 This method must be called at the end of processing.
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
871
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
872 """
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
873
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
874 def iter_roles(roles):
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
875 ''' handle the text processing of turning the roles list
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
876 into something python can use more easily
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
877 '''
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
878 if not roles or not roles.strip():
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
879 raise StopIteration("Empty roles given")
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
880 for role in [x.lower().strip() for x in roles.split(',')]:
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
881 yield role
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
882
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
883
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
884 #
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
885 # The base Class class
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
886 #
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
887 class Class:
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
888 """ The handle to a particular class of nodes in a hyperdatabase.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
889
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
890 All methods except __repr__ and getnode must be implemented by a
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
891 concrete backend Class.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
892 """
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
893
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
894 def __init__(self, db, classname, **properties):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
895 """Create a new class with a given name and property specification.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
896
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
897 'classname' must not collide with the name of an existing class,
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
898 or a ValueError is raised. The keyword arguments in 'properties'
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
899 must map names to property objects, or a TypeError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
900 """
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
901 for name in 'creation activity creator actor'.split():
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
902 if name in properties:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
903 raise ValueError('"creation", "activity", "creator" and '\
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
904 '"actor" are reserved')
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
905
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
906 self.classname = classname
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
907 self.properties = properties
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
908 self.db = weakref.proxy(db) # use a weak ref to avoid circularity
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
909 self.key = ''
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
910
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
911 # should we journal changes (default yes)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
912 self.do_journal = 1
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
913
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
914 # do the db-related init stuff
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
915 db.addclass(self)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
916
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
917 actions = "create set retire restore".split()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
918 self.auditors = dict([(a, PrioList()) for a in actions])
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
919 self.reactors = dict([(a, PrioList()) for a in actions])
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
920
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
921 def __repr__(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
922 """Slightly more useful representation
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
923 """
993
07f88a837450 turn on journalling of links by default
Richard Jones <richard@users.sourceforge.net>
parents: 940
diff changeset
924 return '<hyperdb.Class "%s">'%self.classname
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
925
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
926 # Editing nodes:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
927
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
928 def create(self, **propvalues):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
929 """Create a new node of this class and return its id.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
930
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
931 The keyword arguments in 'propvalues' map property names to values.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
932
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
933 The values of arguments must be acceptable for the types of their
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
934 corresponding properties or a TypeError is raised.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
935
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
936 If this class has a key property, it must be present and its value
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
937 must not collide with other key strings or a ValueError is raised.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
938
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
939 Any other properties on this class that are missing from the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
940 'propvalues' dictionary are set to None.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
941
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
942 If an id in a link or multilink property does not refer to a valid
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
943 node, an IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
944 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
945 raise NotImplementedError
775
4409798dfa15 Can debug to stdout now
Richard Jones <richard@users.sourceforge.net>
parents: 764
diff changeset
946
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
947 _marker = []
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
948 def get(self, nodeid, propname, default=_marker, cache=1):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
949 """Get the value of a property on an existing node of this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
950
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
951 'nodeid' must be the id of an existing node of this class or an
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
952 IndexError is raised. 'propname' must be the name of a property
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
953 of this class or a KeyError is raised.
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
954
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
955 'cache' exists for backwards compatibility, and is not used.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
956 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
957 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
958
1926
3bdd34547fa7 Remove implementations of Class.getnode from back_anydbm and rdbms_common...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1905
diff changeset
959 # not in spec
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
960 def getnode(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
961 """ Return a convenience wrapper for the node.
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
962
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
963 'nodeid' must be the id of an existing node of this class or an
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
964 IndexError is raised.
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
965
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
966 'cache' exists for backwards compatibility, and is not used.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
967 """
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
968 return Node(self, nodeid)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
969
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
970 def getnodeids(self, retired=None):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
971 """Retrieve all the ids of the nodes for a particular Class.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
972 """
1864
969a14faf707 Fixed "documentation" of getnodeids in roundup.hyperdb
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
973 raise NotImplementedError
969a14faf707 Fixed "documentation" of getnodeids in roundup.hyperdb
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
974
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
975 def set(self, nodeid, **propvalues):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
976 """Modify a property on an existing node of this class.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
977
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
978 'nodeid' must be the id of an existing node of this class or an
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
979 IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
980
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
981 Each key in 'propvalues' must be the name of a property of this
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
982 class or a KeyError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
983
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
984 All values in 'propvalues' must be acceptable types for their
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
985 corresponding properties or a TypeError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
986
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
987 If the value of the key property is set, it must not collide with
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
988 other key strings or a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
989
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
990 If the value of a Link or Multilink property contains an invalid
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
991 node id, a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
992 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
993 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
994
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parents:
diff changeset
995 def retire(self, nodeid):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
996 """Retire a node.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
997
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
998 The properties on the node remain available from the get() method,
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
999 and the node's id is never reused.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1000
25
4cf1daf2f2eb More Grande Splite
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parents:
diff changeset
1001 Retired nodes are not returned by the find(), list(), or lookup()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1002 methods, and other nodes may reuse the values of their key properties.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1003 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1004 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1005
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
1006 def restore(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1007 """Restpre a retired node.
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
1008
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
1009 Make node available for all operations like it was before retirement.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1010 """
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
1011 raise NotImplementedError
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1012
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
1013 def is_retired(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1014 """Return true if the node is rerired
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1015 """
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
1016 raise NotImplementedError
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
1017
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1018 def destroy(self, nodeid):
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1019 """Destroy a node.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1020
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1021 WARNING: this method should never be used except in extremely rare
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1022 situations where there could never be links to the node being
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1023 deleted
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1024
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1025 WARNING: use retire() instead
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1026
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1027 WARNING: the properties of this node will not be available ever again
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1028
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1029 WARNING: really, use retire() instead
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1030
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1031 Well, I think that's enough warnings. This method exists mostly to
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1032 support the session storage of the cgi interface.
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1033
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1034 The node is completely removed from the hyperdb, including all journal
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1035 entries. It will no longer be available, and will generally break code
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1036 if there are any references to the node.
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1037 """
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
1038
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1039 def history(self, nodeid, enforceperm=True, skipquiet=True):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1040 """Retrieve the journal of edits on a particular node.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1041
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1042 'nodeid' must be the id of an existing node of this class or an
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1043 IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1044
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1045 The returned list contains tuples of the form
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1046
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1047 (date, tag, action, params)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1048
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1049 'date' is a Timestamp object specifying the time of the change and
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1050 'tag' is the journaltag specified when the database was opened.
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1051
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1052 If the property to be displayed is a quiet property, it will
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1053 not be shown. This can be disabled by setting skipquiet=False.
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1054
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1055 If the user requesting the history does not have View access
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1056 to the property, the journal entry will not be shown. This can
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1057 be disabled by setting enforceperm=False.
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1058
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1059 Note that there is a check for obsolete properties and classes
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1060 resulting from history changes. These are also only checked if
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1061 enforceperm is True.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1062 """
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4481
diff changeset
1063 if not self.do_journal:
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4481
diff changeset
1064 raise ValueError('Journalling is disabled for this class')
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1065
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1066 perm = self.db.security.hasPermission
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1067 journal = []
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1068
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1069 uid=self.db.getuid() # id of the person requesting the history
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1070
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1071 # Roles of the user and the configured obsolete_history_roles
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1072 hr = set(iter_roles(self.db.config.OBSOLETE_HISTORY_ROLES))
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1073 ur = set(self.db.user.get_roles(uid))
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1074 allow_obsolete = bool(hr & ur)
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1075
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1076 for j in self.db.getjournal(self.classname, nodeid):
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1077 # hide/remove journal entry if:
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1078 # property is quiet
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1079 # property is not (viewable or editable)
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1080 # property is obsolete and not allow_obsolete
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1081 id, evt_date, user, action, args = j
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1082 if logger.isEnabledFor(logging.DEBUG):
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1083 j_repr = "%s"%(j,)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1084 else:
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1085 j_repr=''
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1086 if args and type(args) == type({}):
5460
87f22a5d65ca container modification while iterating over it
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5397
diff changeset
1087 for key in list(args.keys()):
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1088 if key not in self.properties :
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1089 if enforceperm and not allow_obsolete:
5460
87f22a5d65ca container modification while iterating over it
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5397
diff changeset
1090 del args[key]
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1091 continue
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1092 if skipquiet and self.properties[key].quiet:
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1093 logger.debug("skipping quiet property"
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1094 " %s::%s in %s",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1095 self.classname, key, j_repr)
5460
87f22a5d65ca container modification while iterating over it
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5397
diff changeset
1096 del args[key]
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1097 continue
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1098 if enforceperm and not ( perm("View",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1099 uid,
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1100 self.classname,
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1101 property=key ) or perm("Edit",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1102 uid,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1103 self.classname,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1104 property=key )):
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1105 logger.debug("skipping unaccessible property "
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1106 "%s::%s seen by user%s in %s",
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1107 self.classname, key, uid, j_repr)
5460
87f22a5d65ca container modification while iterating over it
Christof Meerwald <cmeerw@cmeerw.org>
parents: 5397
diff changeset
1108 del args[key]
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1109 continue
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1110 if not args:
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1111 logger.debug("Omitting journal entry for %s%s"
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1112 " all props removed in: %s",
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1113 self.classname, nodeid, j_repr)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1114 continue
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1115 journal.append(j)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1116 elif action in ['link', 'unlink' ] and type(args) == type(()):
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1117 # definitions:
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1118 # myself - object whose history is being filtered
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1119 # linkee - object/class whose property is changing to
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1120 # include/remove myself
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1121 # link property - property of the linkee class that is changing
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1122 #
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1123 # Remove the history item if
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1124 # linkee.link property (key) is quiet
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1125 # linkee class.link property is not (viewable or editable)
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1126 # to user
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1127 # [ should linkee object.link property is not
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1128 # (viewable or editable) to user be included?? ]
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1129 # linkee object (linkcl, linkid) is not
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1130 # (viewable or editable) to user
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1131 if len(args) == 3:
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1132 # e.g. for issue3 blockedby adds link to issue5 with:
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1133 # j = id, evt_date, user, action, args
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1134 # 3|20170528045201.484|5|link|('issue', '5', 'blockedby')
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1135 linkcl, linkid, key = args
5315
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1136 cls = None
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1137 try:
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1138 cls = self.db.getclass(linkcl)
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1139 except KeyError:
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1140 pass
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1141 # obsolete property or class
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1142 if not cls or key not in cls.properties:
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1143 if not enforceperm or allow_obsolete:
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1144 journal.append(j)
5a014410f254 Fix issue2550954: History display breaks
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5309
diff changeset
1145 continue
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1146 # is the updated property quiet?
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1147 if skipquiet and cls.properties[key].quiet:
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1148 logger.debug("skipping quiet property: "
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1149 "%s %sed %s%s",
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1150 j_repr, action, self.classname, nodeid)
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1151 continue
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1152 # can user view the property in linkee class
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1153 if enforceperm and not (perm("View",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1154 uid,
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1155 linkcl,
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1156 property=key) or perm("Edit",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1157 uid,
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1158 linkcl,
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1159 property=key)):
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1160 logger.debug("skipping unaccessible property: "
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1161 "%s with uid %s %sed %s%s",
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1162 j_repr, uid, action,
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1163 self.classname, nodeid)
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1164 continue
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1165 # check access to linkee object
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1166 if enforceperm and not (perm("View",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1167 uid,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1168 cls.classname,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1169 itemid=linkid) or perm("Edit",
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1170 uid,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1171 cls.classname,
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1172 itemid=linkid)):
5261
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1173 logger.debug("skipping unaccessible object: "
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1174 "%s uid %s %sed %s%s",
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1175 j_repr, uid, action,
53a853c06e9a Fixed quiet history filter for linked items. Test for same fixed.
John Rouillard <rouilj@ieee.org>
parents: 5260
diff changeset
1176 self.classname, nodeid)
5257
928512faf565 - issue2550864: Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5248
diff changeset
1177 continue
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1178 journal.append(j)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1179 else:
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1180 logger.error("Invalid %s journal entry for %s%s: %s",
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1181 action, self.classname, nodeid, j)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1182 elif action in ['create', 'retired', 'restored']:
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1183 journal.append(j)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1184 else:
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1185 logger.warning("Possibly malformed journal for %s%s %s",
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1186 self.classname, nodeid, j)
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1187 return journal
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1188
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1189 # Locating nodes:
627
952679be9e2c Added simple editing for classes that don't define a templated interface.
Richard Jones <richard@users.sourceforge.net>
parents: 618
diff changeset
1190 def hasnode(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1191 """Determine if the given nodeid actually exists
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1192 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1193 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1194
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1195 def setkey(self, propname):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1196 """Select a String property of this class to be the key property.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1197
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1198 'propname' must be the name of a String property of this class or
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1199 None, or a TypeError is raised. The values of the key property on
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1200 all existing nodes must be unique or a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1201 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1202 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1203
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1204 def setlabelprop(self, labelprop):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1205 """Set the label property. Used for override of labelprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1206 resolution order.
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1207 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1208 if labelprop not in self.getprops():
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1209 raise ValueError(_("Not a property name: %s") % labelprop)
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1210 self._labelprop = labelprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1211
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1212 def setorderprop(self, orderprop):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1213 """Set the order property. Used for override of orderprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1214 resolution order
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1215 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1216 if orderprop not in self.getprops():
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1217 raise ValueError(_("Not a property name: %s") % orderprop)
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1218 self._orderprop = orderprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1219
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1220 def getkey(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1221 """Return the name of the key property for this class or None."""
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1222 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1223
188
1536be43d2fa Roundupdb now appends "mailing list" information to its messages...
Richard Jones <richard@users.sourceforge.net>
parents: 172
diff changeset
1224 def labelprop(self, default_to_id=0):
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1225 """Return the property name for a label for the given node.
123
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
1226
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
1227 This method attempts to generate a consistent label for the node.
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
1228 It tries the following in order:
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1229
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1230 0. self._labelprop if set
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1231 1. key property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1232 2. "name" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1233 3. "title" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1234 4. first property from the sorted property name list
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1235 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1236 if hasattr(self, '_labelprop'):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1237 return self._labelprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1238 k = self.getkey()
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1239 if k:
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1240 return k
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1241 props = self.getprops()
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1242 if 'name' in props:
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1243 return 'name'
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1244 elif 'title' in props:
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1245 return 'title'
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1246 if default_to_id:
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1247 return 'id'
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1248 props = sorted(props.keys())
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1249 return props[0]
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1250
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1251 def orderprop(self):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1252 """Return the property name to use for sorting for the given node.
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1253
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1254 This method computes the property for sorting.
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1255 It tries the following in order:
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1256
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1257 0. self._orderprop if set
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1258 1. "order" property
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1259 2. self.labelprop()
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1260 """
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1261
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1262 if hasattr(self, '_orderprop'):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1263 return self._orderprop
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1264 props = self.getprops()
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1265 if 'order' in props:
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1266 return 'order'
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1267 return self.labelprop()
123
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
1268
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1269 def lookup(self, keyvalue):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1270 """Locate a particular node by its key property and return its id.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1271
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1272 If this class has no key property, a TypeError is raised. If the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1273 'keyvalue' matches one of the values for the key property among
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1274 the nodes in this class, the matching node's id is returned;
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1275 otherwise a KeyError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1276 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1277 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1278
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1279 def find(self, **propspec):
834
568eed5fb4fd Optimize Class.find so that the propspec can contain a set of ids to match.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 825
diff changeset
1280 """Get the ids of nodes in this class which link to the given nodes.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1281
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1282 'propspec' consists of keyword args propname={nodeid:1,}
883
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1283 'propname' must be the name of a property in this class, or a
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1284 KeyError is raised. That property must be a Link or Multilink
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1285 property, or a TypeError is raised.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1286
834
568eed5fb4fd Optimize Class.find so that the propspec can contain a set of ids to match.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 825
diff changeset
1287 Any node in this class whose 'propname' property links to any of the
568eed5fb4fd Optimize Class.find so that the propspec can contain a set of ids to match.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 825
diff changeset
1288 nodeids will be returned. Used by the full text indexing, which knows
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1289 that "foo" occurs in msg1, msg3 and file7, so we have hits on these
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1290 issues:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1291
834
568eed5fb4fd Optimize Class.find so that the propspec can contain a set of ids to match.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 825
diff changeset
1292 db.issue.find(messages={'1':1,'3':1}, files={'7':1})
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1293 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1294 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1295
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1296 def _filter(self, search_matches, filterspec, sort=(None,None),
5318
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
1297 group=(None,None), retired=False):
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1298 """For some backends this implements the non-transitive
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1299 search, for more information see the filter method.
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1300 """
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1301 raise NotImplementedError
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1302
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1303 def _proptree(self, filterspec, sortattr=[], retr=False):
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1304 """Build a tree of all transitive properties in the given
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1305 filterspec.
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1306 If we retrieve (retr is True) linked items we don't follow
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1307 across multilinks. We also don't follow if the searched value
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1308 can contain NULL values.
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1309 """
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1310 proptree = Proptree(self.db, self, '', self.getprops(), retr=retr)
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1311 for key, v in filterspec.items():
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1312 keys = key.split('.')
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1313 p = proptree
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1314 mlseen = False
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1315 for k in keys:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1316 if isinstance (p.propclass, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1317 mlseen = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1318 isnull = v == '-1' or v is None
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1319 nullin = isinstance(v, type([])) and ('-1' in v or None in v)
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1320 r = retr and not mlseen and not isnull and not nullin
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1321 p = p.append(k, retr=r)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1322 p.val = v
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1323 multilinks = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1324 for s in sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1325 keys = s[1].split('.')
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1326 p = proptree
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1327 mlseen = False
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1328 for k in keys:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1329 if isinstance (p.propclass, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1330 mlseen = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1331 r = retr and not mlseen
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1332 p = p.append(k, need_for='sort', retr=r)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1333 if isinstance (p.propclass, Multilink):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1334 multilinks[p] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1335 if p.cls:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1336 p = p.append(p.cls.orderprop(), need_for='sort')
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1337 if p.sort_direction: # if an orderprop is also specified explicitly
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1338 continue
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1339 p.sort_direction = s[0]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1340 proptree.sortattr.append (p)
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1341 for p in multilinks.keys():
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1342 sattr = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1343 for c in p:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1344 if c.sort_direction:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1345 sattr [c] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1346 for sa in proptree.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1347 if sa in sattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1348 p.sortattr.append (sa)
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1349 return proptree
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1350
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1351 def get_transitive_prop(self, propname_path, default = None):
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1352 """Expand a transitive property (individual property names
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1353 separated by '.' into a new property at the end of the path. If
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1354 one of the names does not refer to a valid property, we return
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1355 None.
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1356 Example propname_path (for class issue): "messages.author"
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1357 """
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1358 props = self.db.getclass(self.classname).getprops()
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1359 for k in propname_path.split('.'):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1360 try:
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1361 prop = props[k]
4408
06af6d5bedbe fix for incorrect except: syntax, issue2550661
Richard Jones <richard@users.sourceforge.net>
parents: 4306
diff changeset
1362 except (KeyError, TypeError):
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1363 return default
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1364 cl = getattr(prop, 'classname', None)
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1365 props = None
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1366 if cl:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1367 props = self.db.getclass(cl).getprops()
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1368 return prop
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1369
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1370 def _sortattr(self, sort=[], group=[]):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1371 """Build a single list of sort attributes in the correct order
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1372 with sanity checks (no duplicate properties) included. Always
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1373 sort last by id -- if id is not already in sortattr.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1374 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1375 seen = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1376 sortattr = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1377 for srt in group, sort:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1378 if not isinstance(srt, list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1379 srt = [srt]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1380 for s in srt:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1381 if s[1] and s[1] not in seen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1382 sortattr.append((s[0] or '+', s[1]))
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1383 seen[s[1]] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1384 if 'id' not in seen :
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1385 sortattr.append(('+', 'id'))
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1386 return sortattr
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1387
5318
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
1388 def filter(self, search_matches, filterspec, sort=[], group=[],
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
1389 retired=False):
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1390 """Return a list of the ids of the active nodes in this class that
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1391 match the 'filter' spec, sorted by the group spec and then the
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1392 sort spec.
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1393
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1394 "filterspec" is {propname: value(s)}
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1244
diff changeset
1395
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1396 "sort" and "group" are [(dir, prop), ...] where dir is '+', '-'
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1397 or None and prop is a prop name or None. Note that for
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1398 backward-compatibility reasons a single (dir, prop) tuple is
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1399 also allowed.
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1400
4048
7ad0918ee8bd Clarify 'search_matches' docs.
Stefan Seefeld <stefan@seefeld.name>
parents: 4044
diff changeset
1401 "search_matches" is a container type
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1244
diff changeset
1402
3455
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1403 The filter must match all properties specificed. If the property
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1404 value to match is a list:
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1405
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1406 1. String properties must match all elements in the list, and
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1407 2. Other properties must match any of the elements in the list.
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1408
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1409 Note that now the propname in filterspec and prop in a
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1410 sort/group spec may be transitive, i.e., it may contain
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1411 properties of the form link.link.link.name, e.g. you can search
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1412 for all issues where a message was added by a certain user in
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1413 the last week with a filterspec of
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1414 {'messages.author' : '42', 'messages.creation' : '.-1w;'}
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1415
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1416 Implementation note:
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1417 This implements a non-optimized version of Transitive search
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1418 using _filter implemented in a backend class. A more efficient
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1419 version can be implemented in the individual backends -- e.g.,
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1420 an SQL backend will want to create a single SQL statement and
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1421 override the filter method instead of implementing _filter.
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1422 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1423 sortattr = self._sortattr(sort = sort, group = group)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1424 proptree = self._proptree(filterspec, sortattr)
5318
506c7ee9a385 Add a 'retired' parameter to Class.filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5315
diff changeset
1425 proptree.search(search_matches, retired=retired)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1426 return proptree.sort()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1427
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1428 # non-optimized filter_iter, a backend may chose to implement a
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1429 # better version that provides a real iterator that pre-fills the
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1430 # cache for each id returned. Note that the filter_iter doesn't
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1431 # promise to correctly sort by multilink (which isn't sane to do
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1432 # anyway).
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1433 filter_iter = filter
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1434
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1435 def count(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1436 """Get the number of nodes in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1437
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1438 If the returned integer is 'numnodes', the ids of all the nodes
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1439 in this class run from 1 to numnodes, and numnodes+1 will be the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1440 id of the next node to be created in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1441 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1442 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1443
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1444 # Manipulating properties:
262
ab921dc53ccd Added nicer command-line item adding:
Richard Jones <richard@users.sourceforge.net>
parents: 236
diff changeset
1445 def getprops(self, protected=1):
ab921dc53ccd Added nicer command-line item adding:
Richard Jones <richard@users.sourceforge.net>
parents: 236
diff changeset
1446 """Return a dictionary mapping property names to property objects.
ab921dc53ccd Added nicer command-line item adding:
Richard Jones <richard@users.sourceforge.net>
parents: 236
diff changeset
1447 If the "protected" flag is true, we include protected properties -
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1448 those which may not be modified.
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1449 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1450 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1451
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1452 def get_required_props(self, propnames = []):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1453 """Return a dict of property names mapping to property objects.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1454 All properties that have the "required" flag set will be
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1455 returned in addition to all properties in the propnames
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1456 parameter.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1457 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1458 props = self.getprops(protected = False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1459 pdict = dict([(p, props[p]) for p in propnames])
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1460 pdict.update([(k, v) for k, v in props.items() if v.required])
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1461 return pdict
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1462
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1463 def addprop(self, **properties):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1464 """Add properties to this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1465
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1466 The keyword arguments in 'properties' must map names to property
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1467 objects, or a TypeError is raised. None of the keys in 'properties'
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1468 may collide with the names of existing properties, or a ValueError
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1469 is raised before any properties have been added.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1470 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1471 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1472
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
1473 def index(self, nodeid):
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1474 """Add (or refresh) the node to search indexes"""
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1475 raise NotImplementedError
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
1476
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1477 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1478 # Detector interface
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1479 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1480 def audit(self, event, detector, priority = 100):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1481 """Register an auditor detector"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1482 self.auditors[event].append((priority, detector.__name__, detector))
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1483
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1484 def fireAuditors(self, event, nodeid, newvalues):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1485 """Fire all registered auditors"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1486 for prio, name, audit in self.auditors[event]:
5079
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1487 try:
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1488 audit(self.db, self, nodeid, newvalues)
5084
675b3b3d88f0 Fix issue2550826 third try. This limits the capture of exceptions to
John Rouillard <rouilj@ieee.org>
parents: 5080
diff changeset
1489 except (EnvironmentError, ArithmeticError) as e:
5079
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1490 tb = traceback.format_exc()
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1491 html = ("<h1>Traceback</h1>" + str(tb).replace('\n', '<br>').
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1492 replace(' ', '&nbsp;'))
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1493 txt = 'Caught exception %s: %s\n%s' % (str(type(e)), e, tb)
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1494 exc_info = sys.exc_info()
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1495 subject = "Error: %s" % exc_info[1]
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1496 raise DetectorError(subject, html, txt)
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1497
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1498 def react(self, event, detector, priority = 100):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1499 """Register a reactor detector"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1500 self.reactors[event].append((priority, detector.__name__, detector))
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1501
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1502 def fireReactors(self, event, nodeid, oldvalues):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1503 """Fire all registered reactors"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1504 for prio, name, react in self.reactors[event]:
5079
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1505 try:
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1506 react(self.db, self, nodeid, oldvalues)
5084
675b3b3d88f0 Fix issue2550826 third try. This limits the capture of exceptions to
John Rouillard <rouilj@ieee.org>
parents: 5080
diff changeset
1507 except (EnvironmentError, ArithmeticError) as e:
5079
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1508 tb = traceback.format_exc()
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1509 html = ("<h1>Traceback</h1>" + str(tb).replace('\n', '<br>').
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1510 replace(' ', '&nbsp;'))
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1511 txt = 'Caught exception %s: %s\n%s' % (str(type(e)), e, tb)
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1512 exc_info = sys.exc_info()
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1513 subject = "Error: %s" % exc_info[1]
65fef7858606 issue2550826 IOError in detector causes apache 'premature end of script headers' error
John Rouillard <rouilj@ieee.org>
parents: 5069
diff changeset
1514 raise DetectorError(subject, html, txt)
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1515
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1516 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1517 # import / export support
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1518 #
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1519 def export_propnames(self):
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1520 """List the property names for export from this Class"""
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1521 propnames = sorted(self.getprops().keys())
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1522 return propnames
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1523
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1524 def import_journals(self, entries):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1525 """Import a class's journal.
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1526
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1527 Uses setjournal() to set the journal for each item.
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1528 Strategy for import: Sort first by id, then import journals for
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1529 each id, this way the memory footprint is a lot smaller than the
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1530 initial implementation which stored everything in a big hash by
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1531 id and then proceeded to import journals for each id."""
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1532 properties = self.getprops()
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1533 a = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1534 for l in entries:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1535 # first element in sorted list is the (numeric) id
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1536 # in python2.4 and up we would use sorted with a key...
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1537 a.append ((int (l [0].strip ("'")), l))
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1538 a.sort ()
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1539
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1540
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1541 last = 0
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1542 r = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1543 for n, l in a:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1544 nodeid, jdate, user, action, params = map(eval, l)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1545 assert (str(n) == nodeid)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1546 if n != last:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1547 if r:
4431
9b619dcb030a - fix import (now passes for memorydb, too)
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4430
diff changeset
1548 self.db.setjournal(self.classname, str(last), r)
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1549 last = n
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1550 r = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1551
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1552 if action == 'set':
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1553 for propname, value in params.items():
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1554 prop = properties[propname]
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1555 if value is None:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1556 pass
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1557 elif isinstance(prop, Date):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1558 value = date.Date(value)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1559 elif isinstance(prop, Interval):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1560 value = date.Interval(value)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1561 elif isinstance(prop, Password):
4483
22bc0426e348 Second patch from issue2550688 -- with some changes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4481
diff changeset
1562 value = password.JournalPassword(encrypted=value)
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1563 params[propname] = value
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1564 elif action == 'create' and params:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1565 # old tracker with data stored in the create!
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1566 params = {}
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1567 r.append((nodeid, date.Date(jdate), user, action, params))
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1568 if r:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1569 self.db.setjournal(self.classname, nodeid, r)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1570
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1571 #
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1572 # convenience methods
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1573 #
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1574 def get_roles(self, nodeid):
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1575 """Return iterator for all roles for this nodeid.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1576
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1577 Yields string-processed roles.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1578 This method can be overridden to provide a hook where we can
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1579 insert other permission models (e.g. get roles from database)
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1580 In standard schemas only a user has a roles property but
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1581 this may be different in customized schemas.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1582 Note that this is the *central place* where role
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1583 processing happens!
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1584 """
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1585 node = self.db.getnode(self.classname, nodeid)
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1586 return iter_roles(node['roles'])
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1587
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1588 def has_role(self, nodeid, *roles):
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1589 '''See if this node has any roles that appear in roles.
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4472
diff changeset
1590
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1591 For convenience reasons we take a list.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1592 In standard schemas only a user has a roles property but
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1593 this may be different in customized schemas.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1594 '''
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1595 roles = dict.fromkeys ([r.strip().lower() for r in roles])
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1596 for role in self.get_roles(nodeid):
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1597 if role in roles:
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1598 return True
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1599 return False
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1600
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1601
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1602 class HyperdbValueError(ValueError):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1603 """ Error converting a raw value into a Hyperdb value """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1604 pass
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1605
2244
ac4f295499a4 fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
1606 def convertLinkValue(db, propname, prop, value, idre=re.compile('^\d+$')):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1607 """ Convert the link value (may be id or key value) to an id value. """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1608 linkcl = db.classes[prop.classname]
4877
2ba982dcdf2c New Link / Multilink option "try_id_parsing"
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4850
diff changeset
1609 if not idre or not idre.match(value):
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1610 if linkcl.getkey():
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1611 try:
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1612 value = linkcl.lookup(value)
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
1613 except KeyError as message:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1614 raise HyperdbValueError(_('property %s: %r is not a %s.')%(
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1615 propname, value, prop.classname))
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1616 else:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1617 raise HyperdbValueError(_('you may only enter ID values '\
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1618 'for property %s')%propname)
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1619 return value
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1620
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1621 def fixNewlines(text):
1928
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
1622 """ Homogenise line endings.
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1623
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1624 Different web clients send different line ending values, but
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1625 other systems (eg. email) don't necessarily handle those line
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1626 endings. Our solution is to convert all line endings to LF.
1928
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
1627 """
5309
20084e2b48c3 Fix bug where unsetting a text value triggered an exception because
John Rouillard <rouilj@ieee.org>
parents: 5261
diff changeset
1628 if text is not None:
20084e2b48c3 Fix bug where unsetting a text value triggered an exception because
John Rouillard <rouilj@ieee.org>
parents: 5261
diff changeset
1629 text = text.replace('\r\n', '\n')
20084e2b48c3 Fix bug where unsetting a text value triggered an exception because
John Rouillard <rouilj@ieee.org>
parents: 5261
diff changeset
1630 return text.replace('\r', '\n')
20084e2b48c3 Fix bug where unsetting a text value triggered an exception because
John Rouillard <rouilj@ieee.org>
parents: 5261
diff changeset
1631 return text
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1632
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
1633 def rawToHyperdb(db, klass, itemid, propname, value, **kw):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1634 """ Convert the raw (user-input) value to a hyperdb-storable value. The
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1635 value is for the "propname" property on itemid (may be None for a
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1636 new item) of "klass" in "db".
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1637
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1638 The value is usually a string, but in the case of multilink inputs
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1639 it may be either a list of strings or a string with comma-separated
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1640 values.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1641 """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1642 properties = klass.getprops()
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1643
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1644 # ensure it's a valid property name
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1645 propname = propname.strip()
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1646 try:
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1647 proptype = properties[propname]
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1648 except KeyError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1649 raise HyperdbValueError(_('%r is not a property of %s')%(propname,
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1650 klass.classname))
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1651
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1652 # if we got a string, strip it now
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1653 if isinstance(value, type('')):
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1654 value = value.strip()
3668
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
1655
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1656 # convert the input value to a real property value
3668
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
1657 value = proptype.from_raw(value, db=db, klass=klass,
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
1658 propname=propname, itemid=itemid, **kw)
a15c15510e99 hyperdb handling of empty raw values for Multilink and Password [SF#1507814]
Richard Jones <richard@users.sourceforge.net>
parents: 3635
diff changeset
1659
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1660 return value
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1661
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1662 class FileClass:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1663 """ A class that requires the "content" property and stores it on
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1664 disk.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1665 """
3601
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1666 default_mime_type = 'text/plain'
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1667
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1668 def __init__(self, db, classname, **properties):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1669 """The newly-created class automatically includes the "content"
3601
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1670 property.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1671 """
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1672 if 'content' not in properties:
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1673 properties['content'] = String(indexme='yes')
3601
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1674
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1675 def export_propnames(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1676 """ Don't export the "content" property
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1677 """
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1678 propnames = list(self.getprops().keys())
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1679 propnames.remove('content')
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1680 propnames.sort()
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1681 return propnames
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1682
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1683 def exportFilename(self, dirname, nodeid):
5101
d043a09952db Tried to explain the use of hyperdb's exportFilename
John Rouillard <rouilj@ieee.org>
parents: 5084
diff changeset
1684 """ Returns destination filename for a exported file
d043a09952db Tried to explain the use of hyperdb's exportFilename
John Rouillard <rouilj@ieee.org>
parents: 5084
diff changeset
1685
d043a09952db Tried to explain the use of hyperdb's exportFilename
John Rouillard <rouilj@ieee.org>
parents: 5084
diff changeset
1686 Called by export function in roundup admin to generate
d043a09952db Tried to explain the use of hyperdb's exportFilename
John Rouillard <rouilj@ieee.org>
parents: 5084
diff changeset
1687 the <class>-files subdirectory
d043a09952db Tried to explain the use of hyperdb's exportFilename
John Rouillard <rouilj@ieee.org>
parents: 5084
diff changeset
1688 """
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1689 subdir_filename = self.db.subdirFilename(self.classname, nodeid)
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1690 return os.path.join(dirname, self.classname+'-files', subdir_filename)
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1691
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1692 def export_files(self, dirname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1693 """ Export the "content" property as a file, not csv column
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1694 """
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1695 source = self.db.filename(self.classname, nodeid)
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1696
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1697 dest = self.exportFilename(dirname, nodeid)
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1698 ensureParentsExist(dest)
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1699 shutil.copyfile(source, dest)
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1700
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1701 def import_files(self, dirname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1702 """ Import the "content" property as a file
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1703 """
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1704 source = self.exportFilename(dirname, nodeid)
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1705
2962
4607f58a007b py2.1 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 2909
diff changeset
1706 dest = self.db.filename(self.classname, nodeid, create=1)
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1707 ensureParentsExist(dest)
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1708 shutil.copyfile(source, dest)
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1709
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1710 mime_type = None
3802
c3af8c6a6b5b Bug-fix: Only index the content property if it has the indexme attribute set
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3743
diff changeset
1711 props = self.getprops()
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1712 if 'type' in props:
3545
507b2df02956 fixes to import_files
Richard Jones <richard@users.sourceforge.net>
parents: 3544
diff changeset
1713 mime_type = self.get(nodeid, 'type')
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1714 if not mime_type:
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1715 mime_type = self.default_mime_type
3802
c3af8c6a6b5b Bug-fix: Only index the content property if it has the indexme attribute set
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3743
diff changeset
1716 if props['content'].indexme:
c3af8c6a6b5b Bug-fix: Only index the content property if it has the indexme attribute set
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3743
diff changeset
1717 self.db.indexer.add_text((self.classname, nodeid, 'content'),
c3af8c6a6b5b Bug-fix: Only index the content property if it has the indexme attribute set
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3743
diff changeset
1718 self.get(nodeid, 'content'), mime_type)
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1719
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1720 class Node:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1721 """ A convenience wrapper for the given node
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1722 """
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
1723 def __init__(self, cl, nodeid, cache=1):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1724 self.__dict__['cl'] = cl
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1725 self.__dict__['nodeid'] = nodeid
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1726 def keys(self, protected=1):
5395
23b8e6067f7c Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5388
diff changeset
1727 return list(self.cl.getprops(protected=protected).keys())
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1728 def values(self, protected=1):
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1729 l = []
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1730 for name in self.cl.getprops(protected=protected).keys():
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1731 l.append(self.cl.get(self.nodeid, name))
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1732 return l
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1733 def items(self, protected=1):
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1734 l = []
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1735 for name in self.cl.getprops(protected=protected).keys():
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1736 l.append((name, self.cl.get(self.nodeid, name)))
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1737 return l
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1738 def has_key(self, name):
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1739 return name in self.cl.getprops()
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1740 def get(self, name, default=None):
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1741 if name in self:
1470
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1742 return self[name]
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1743 else:
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1744 return default
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1745 def __getattr__(self, name):
5381
0942fe89e82e Python 3 preparation: change "x.has_key(y)" to "y in x".
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1746 if name in self.__dict__:
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1747 return self.__dict__[name]
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1748 try:
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1749 return self.cl.get(self.nodeid, name)
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
1750 except KeyError as value:
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1751 # we trap this but re-raise it as AttributeError - all other
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1752 # exceptions should pass through untrapped
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1753 pass
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1754 # nope, no such attribute
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1755 raise AttributeError(str(value))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1756 def __getitem__(self, name):
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1757 return self.cl.get(self.nodeid, name)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1758 def __setattr__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1759 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1760 return self.cl.set(self.nodeid, **{name: value})
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5232
diff changeset
1761 except KeyError as value:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5327
diff changeset
1762 raise AttributeError(str(value))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1763 def __setitem__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1764 self.cl.set(self.nodeid, **{name: value})
5232
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1765 def history(self, enforceperm=True, skipquiet=True):
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1766 return self.cl.history(self.nodeid,
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1767 enforceperm=enforceperm,
462b0f76fce8 issue2550864 - Potential information leakage via journal/history
John Rouillard <rouilj@ieee.org>
parents: 5175
diff changeset
1768 skipquiet=skipquiet )
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1769 def retire(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1770 return self.cl.retire(self.nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1771
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1772
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1773 def Choice(name, db, *options):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1774 """Quick helper to create a simple class with choices
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1775 """
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1776 cl = Class(db, name, name=String(), order=String())
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1777 for i in range(len(options)):
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1778 cl.create(name=options[i], order=i)
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1779 return Link(name)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1780
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1781 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/