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annotate roundup/hyperdb.py @ 4481:9bbf3758c16a

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Allow default value declaration in DB schema.
author Stefan Seefeld <stefan@seefeld.name>
date Thu, 14 Apr 2011 12:47:48 +0000
parents 1613754d2646
children 22bc0426e348
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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, weakref
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25 # Python 2.3 ... 2.6 compatibility:
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26 from roundup.anypy.sets_ import set
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27
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28 # roundup modules
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29 import date, password
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30 from support import ensureParentsExist, PrioList, sorted, reversed
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31 from roundup.i18n import _
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33 #
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34 # Types
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35 #
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36 class _Type(object):
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37 """A roundup property type."""
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38 def __init__(self, required=False, default_value = None):
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39 self.required = required
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40 self.__default_value = default_value
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41 def __repr__(self):
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42 ' more useful for dumps '
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43 return '<%s.%s>'%(self.__class__.__module__, self.__class__.__name__)
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44 def get_default_value(self):
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45 """The default value when creating a new instance of this property."""
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46 return self.__default_value
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47 def sort_repr (self, cls, val, name):
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48 """Representation used for sorting. This should be a python
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49 built-in type, otherwise sorting will take ages. Note that
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50 individual backends may chose to use something different for
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51 sorting as long as the outcome is the same.
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52 """
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53 return val
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54
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55 class String(_Type):
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56 """An object designating a String property."""
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57 def __init__(self, indexme='no', required=False, default_value = ""):
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58 super(String, self).__init__(required, default_value)
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59 self.indexme = indexme == 'yes'
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60 def from_raw(self, value, propname='', **kw):
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61 """fix the CRLF/CR -> LF stuff"""
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62 if propname == 'content':
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63 # Why oh why wasn't the FileClass content property a File
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64 # type from the beginning?
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65 return value
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66 return fixNewlines(value)
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67 def sort_repr (self, cls, val, name):
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68 if not val:
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69 return val
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70 if name == 'id':
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71 return int(val)
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72 return val.lower()
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73
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74 class Password(_Type):
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75 """An object designating a Password property."""
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76 def from_raw(self, value, **kw):
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77 if not value:
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78 return None
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79 try:
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80 return password.Password(encrypted=value, strict=True)
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81 except password.PasswordValueError, message:
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82 raise HyperdbValueError, \
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83 _('property %s: %s')%(kw['propname'], message)
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84
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85 def sort_repr (self, cls, val, name):
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86 if not val:
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87 return val
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88 return str(val)
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89
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90 class Date(_Type):
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91 """An object designating a Date property."""
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92 def __init__(self, offset=None, required=False, default_value = None):
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93 super(Date, self).__init__(required = required,
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94 default_value = default_value)
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95 self._offset = offset
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96 def offset(self, db):
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97 if self._offset is not None:
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98 return self._offset
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99 return db.getUserTimezone()
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100 def from_raw(self, value, db, **kw):
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101 try:
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102 value = date.Date(value, self.offset(db))
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103 except ValueError, message:
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104 raise HyperdbValueError, _('property %s: %r is an invalid '\
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105 'date (%s)')%(kw['propname'], value, message)
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106 return value
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107 def range_from_raw(self, value, db):
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108 """return Range value from given raw value with offset correction"""
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109 return date.Range(value, date.Date, offset=self.offset(db))
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110 def sort_repr (self, cls, val, name):
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111 if not val:
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112 return val
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113 return str(val)
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114
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115 class Interval(_Type):
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116 """An object designating an Interval property."""
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117 def from_raw(self, value, **kw):
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118 try:
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119 value = date.Interval(value)
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120 except ValueError, message:
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121 raise HyperdbValueError, _('property %s: %r is an invalid '\
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122 'date interval (%s)')%(kw['propname'], value, message)
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123 return value
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124 def sort_repr (self, cls, val, name):
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125 if not val:
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126 return val
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127 return val.as_seconds()
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128
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129 class _Pointer(_Type):
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130 """An object designating a Pointer property that links or multilinks
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131 to a node in a specified class."""
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132 def __init__(self, classname, do_journal='yes', required=False,
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133 default_value = None):
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134 """ Default is to journal link and unlink events
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135 """
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136 super(_Pointer, self).__init__(required, default_value)
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137 self.classname = classname
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138 self.do_journal = do_journal == 'yes'
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139 def __repr__(self):
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140 """more useful for dumps. But beware: This is also used in schema
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141 storage in SQL backends!
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142 """
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143 return '<%s.%s to "%s">'%(self.__class__.__module__,
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144 self.__class__.__name__, self.classname)
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145
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146 class Link(_Pointer):
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147 """An object designating a Link property that links to a
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148 node in a specified class."""
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149 def from_raw(self, value, db, propname, **kw):
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150 if value == '-1' or not value:
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151 value = None
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152 else:
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153 value = convertLinkValue(db, propname, self, value)
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154 return value
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155 def sort_repr (self, cls, val, name):
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156 if not val:
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157 return val
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158 op = cls.labelprop()
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159 if op == 'id':
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160 return int(cls.get(val, op))
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161 return cls.get(val, op)
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162
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163 class Multilink(_Pointer):
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164 """An object designating a Multilink property that links
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165 to nodes in a specified class.
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166
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167 "classname" indicates the class to link to
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168
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169 "do_journal" indicates whether the linked-to nodes should have
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170 'link' and 'unlink' events placed in their journal
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171 """
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172
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173 def __init__(self, classname, do_journal = 'yes', required = False):
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174
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175 super(Multilink, self).__init__(classname,
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176 do_journal,
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177 required = required,
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178 default_value = [])
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179
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180 def from_raw(self, value, db, klass, propname, itemid, **kw):
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181 if not value:
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182 return []
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183
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184 # get the current item value if it's not a new item
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185 if itemid and not itemid.startswith('-'):
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186 curvalue = klass.get(itemid, propname)
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187 else:
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188 curvalue = []
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189
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190 # if the value is a comma-separated string then split it now
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191 if isinstance(value, type('')):
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192 value = value.split(',')
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193
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194 # handle each add/remove in turn
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195 # keep an extra list for all items that are
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196 # definitely in the new list (in case of e.g.
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197 # <propname>=A,+B, which should replace the old
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198 # list with A,B)
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199 do_set = 1
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200 newvalue = []
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201 for item in value:
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202 item = item.strip()
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203
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204 # skip blanks
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205 if not item: continue
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206
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diff changeset
207 # handle +/-
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208 remove = 0
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209 if item.startswith('-'):
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210 remove = 1
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211 item = item[1:]
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diff changeset
212 do_set = 0
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213 elif item.startswith('+'):
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214 item = item[1:]
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diff changeset
215 do_set = 0
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216
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217 # look up the value
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218 itemid = convertLinkValue(db, propname, self, item)
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219
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220 # perform the add/remove
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221 if remove:
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diff changeset
222 try:
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diff changeset
223 curvalue.remove(itemid)
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diff changeset
224 except ValueError:
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diff changeset
225 raise HyperdbValueError, _('property %s: %r is not ' \
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diff changeset
226 'currently an element')%(propname, item)
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diff changeset
227 else:
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diff changeset
228 newvalue.append(itemid)
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diff changeset
229 if itemid not in curvalue:
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diff changeset
230 curvalue.append(itemid)
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diff changeset
231
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diff changeset
232 # that's it, set the new Multilink property value,
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diff changeset
233 # or overwrite it completely
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diff changeset
234 if do_set:
3383
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diff changeset
235 value = newvalue
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diff changeset
236 else:
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diff changeset
237 value = curvalue
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diff changeset
238
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diff changeset
239 # TODO: one day, we'll switch to numeric ids and this will be
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diff changeset
240 # unnecessary :(
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diff changeset
241 value = [int(x) for x in value]
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diff changeset
242 value.sort()
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diff changeset
243 value = [str(x) for x in value]
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diff changeset
244 return value
25
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245
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diff changeset
246 def sort_repr (self, cls, val, name):
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diff changeset
247 if not val:
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diff changeset
248 return val
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diff changeset
249 op = cls.labelprop()
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diff changeset
250 if op == 'id':
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diff changeset
251 return [int(cls.get(v, op)) for v in val]
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diff changeset
252 return [cls.get(v, op) for v in val]
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diff changeset
253
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diff changeset
254 class Boolean(_Type):
880
de3da99a7c02 Add Number and Boolean types to hyperdb.
Gordon B. McMillan <gmcm@users.sourceforge.net>
parents: 858
diff changeset
255 """An object designating a boolean property"""
3383
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diff changeset
256 def from_raw(self, value, **kw):
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diff changeset
257 value = value.strip()
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diff changeset
258 # checked is a common HTML checkbox value
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diff changeset
259 value = value.lower() in ('checked', 'yes', 'true', 'on', '1')
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diff changeset
260 return value
2603
5ccd99777869 fix metakit handling of filter on Link==None; fix some unit tests
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parents: 2571
diff changeset
261
3682
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diff changeset
262 class Number(_Type):
880
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diff changeset
263 """An object designating a numeric property"""
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diff changeset
264 def from_raw(self, value, **kw):
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diff changeset
265 value = value.strip()
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diff changeset
266 try:
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diff changeset
267 value = float(value)
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diff changeset
268 except ValueError:
3925
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parents: 3924
diff changeset
269 raise HyperdbValueError, _('property %s: %r is not a number')%(
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diff changeset
270 kw['propname'], value)
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diff changeset
271 return value
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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diff changeset
272 #
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diff changeset
273 # Support for splitting designators
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
274 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
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parents: 841
diff changeset
275 class DesignatorError(ValueError):
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parents: 841
diff changeset
276 pass
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Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
277 def splitDesignator(designator, dre=re.compile(r'([^\d]+)(\d+)')):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
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parents: 4048
diff changeset
278 """ Take a foo123 and return ('foo', 123)
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parents: 4048
diff changeset
279 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
280 m = dre.match(designator)
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Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
281 if m is None:
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
282 raise DesignatorError, _('"%s" not a node designator')%designator
858
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Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
283 return m.group(1), m.group(2)
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Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
284
3682
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diff changeset
285 class Proptree(object):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
286 """ Simple tree data structure for optimizing searching of
3682
193f316dbbe9 More transitive-property support.
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diff changeset
287 properties. Each node in the tree represents a roundup Class
193f316dbbe9 More transitive-property support.
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diff changeset
288 Property that has to be navigated for finding the given search
4472
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diff changeset
289 or sort properties. The need_for attribute is used for
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
290 distinguishing nodes in the tree used for sorting, searching or
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
291 retrieval: The attribute is a dictionary containing one or several
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
292 of the values 'sort', 'search', 'retrieve'.
3682
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diff changeset
293
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diff changeset
294 The Proptree is also used for transitively searching attributes for
193f316dbbe9 More transitive-property support.
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diff changeset
295 backends that do not support transitive search (e.g. anydbm). The
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diff changeset
296 _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
297 """
3682
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diff changeset
298
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34dce76bb202 Multilink fixes and optimizations:
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diff changeset
299 def __init__(self, db, cls, name, props, parent=None, retr=False):
3682
193f316dbbe9 More transitive-property support.
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diff changeset
300 self.db = db
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diff changeset
301 self.name = name
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diff changeset
302 self.props = props
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diff changeset
303 self.parent = parent
193f316dbbe9 More transitive-property support.
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diff changeset
304 self._val = None
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parents: 3668
diff changeset
305 self.has_values = False
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
306 self.cls = cls
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
307 self.classname = None
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
308 self.uniqname = None
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
309 self.children = []
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
310 self.sortattr = []
193f316dbbe9 More transitive-property support.
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diff changeset
311 self.propdict = {}
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34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
312 self.need_for = {'search' : True}
3682
193f316dbbe9 More transitive-property support.
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diff changeset
313 self.sort_direction = None
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diff changeset
314 self.sort_ids = None
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
315 self.sort_ids_needed = False
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Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
316 self.sort_result = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
317 self.attr_sort_done = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
318 self.tree_sort_done = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
319 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
320 self.orderby = []
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
321 self.sql_idx = None # index of retrieved column in sql result
3682
193f316dbbe9 More transitive-property support.
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diff changeset
322 if parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
323 self.root = parent.root
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
324 self.depth = parent.depth + 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
325 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
326 self.root = self
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
327 self.seqno = 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
328 self.depth = 0
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
329 self.need_for['sort'] = True
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
330 self.id = self.root.seqno
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
331 self.root.seqno += 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
332 if self.cls:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
333 self.classname = self.cls.classname
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
334 self.uniqname = '%s%s' % (self.cls.classname, self.id)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
335 if not self.parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
336 self.uniqname = self.cls.classname
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
337 if retr:
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
338 self.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
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diff changeset
339
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
340 def append(self, name, need_for='search', retr=False):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
341 """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
342 propclass for the child.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
343 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
344 if name in self.propdict:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
345 pt = self.propdict[name]
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
346 pt.need_for[need_for] = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
347 if retr and isinstance(pt.propclass, Link):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
348 pt.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
349 return pt
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
350 propclass = self.props[name]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
351 cls = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
352 props = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
353 if isinstance(propclass, (Link, Multilink)):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
354 cls = self.db.getclass(propclass.classname)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
355 props = cls.getprops()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
356 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
357 child.need_for = {need_for : True}
3682
193f316dbbe9 More transitive-property support.
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diff changeset
358 child.propclass = propclass
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
359 self.children.append(child)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
360 self.propdict[name] = child
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
361 if retr and isinstance(child.propclass, Link):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
362 child.append_retr_props()
3682
193f316dbbe9 More transitive-property support.
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diff changeset
363 return child
193f316dbbe9 More transitive-property support.
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parents: 3668
diff changeset
364
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
365 def append_retr_props(self):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
366 """Append properties for retrieval."""
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
367 for name, prop in self.cls.getprops(protected=1).iteritems():
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
368 if isinstance(prop, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
369 continue
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
370 self.append(name, need_for='retrieve')
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
371
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
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diff changeset
372 def compute_sort_done(self, mlseen=False):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
373 """ Recursively check if attribute is needed for sorting
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
374 ('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
375 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
376 holds. Also remove sort_ids_needed recursively once having seen a
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
377 Multilink.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
378 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
379 if isinstance (self.propclass, Multilink):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
380 mlseen = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
381 if mlseen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
382 self.sort_ids_needed = False
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
383 self.tree_sort_done = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
384 for p in self.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
385 p.compute_sort_done(mlseen)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
386 if not p.tree_sort_done:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
387 self.tree_sort_done = False
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
388 if 'sort' not in self.need_for:
3682
193f316dbbe9 More transitive-property support.
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diff changeset
389 self.tree_sort_done = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
390 if mlseen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
391 self.tree_sort_done = False
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 def ancestors(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
394 p = self
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
395 while p.parent:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
396 yield p
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
397 p = p.parent
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
398
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
399 def search(self, search_matches=None, sort=True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
400 """ Recursively search for the given properties in a proptree.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
401 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
402 simple _filter call which does the real work
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
403 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
404 filterspec = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
405 for p in self.children:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
406 if 'search' in p.need_for:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
407 if p.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
408 p.search(sort = False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
409 filterspec[p.name] = p.val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
410 self.val = self.cls._filter(search_matches, filterspec, sort and self)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
411 return self.val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
412
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
413 def sort (self, ids=None):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
414 """ 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
415 optimisations: Some order attributes may be precomputed (by the
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
416 backend) and some properties may already be sorted.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
417 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
418 if ids is None:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
419 ids = self.val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
420 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
421 return self._searchsort(ids, True, True)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
422 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
423
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
424 def sortable_children(self, intermediate=False):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
425 """ All children needed for sorting. If intermediate is True,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
426 intermediate nodes (not being a sort attribute) are returned,
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
427 too.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
428 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
429 return [p for p in self.children
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
430 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
431
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
432 def __iter__(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
433 """ Yield nodes in depth-first order -- visited nodes first """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
434 for p in self.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
435 yield p
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
436 for c in p:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
437 yield c
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
438
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
439 def _get (self, ids):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
440 """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
441 we have a list of ids.
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 not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
444 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
445 if isinstance (ids[0], list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
446 cids = [self._get(i) for i in ids]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
447 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
448 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
449 if self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
450 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
451 return cids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
452
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
453 def _searchsort(self, ids=None, update=True, dosort=True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
454 """ Recursively compute the sort attributes. Note that ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
455 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
456 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
457 individual attribute. We make sure that everything is properly
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
458 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
459 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
460 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
461 self.sort_ids is available.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
462
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
463 Yech, Multilinks: This gets especially complicated if somebody
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
464 sorts by different attributes of the same multilink (or
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
465 transitively across several multilinks). My use-case is sorting
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
466 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
467 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
468 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
469 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
470 *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
471 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
472 author and one sorted by date for sorting issues.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
473 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
474 for pt in self.sortable_children(intermediate = True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
475 # ids can be an empty list
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
476 if pt.tree_sort_done or not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
477 continue
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
478 if pt.sort_ids: # cached or computed by backend
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
479 cids = pt.sort_ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
480 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
481 cids = pt._get(ids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
482 if pt.sort_direction and not pt.sort_result:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
483 sortrep = pt.propclass.sort_repr
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
484 pt.sort_result = pt._sort_repr(sortrep, cids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
485 pt.sort_ids = cids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
486 if pt.children:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
487 pt._searchsort(cids, update, False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
488 if self.sortattr and dosort:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
489 ids = self._sort(ids)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
490 if not update:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
491 for pt in self.sortable_children(intermediate = True):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
492 pt.sort_ids = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
493 for pt in self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
494 pt.sort_result = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
495 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
496
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
497 def _set_val(self, val):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
498 """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
499 intersection of the old and the new value(s)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
500 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
501 if self.has_values:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
502 v = self._val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
503 if not isinstance(self._val, type([])):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
504 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
505 vals = set(v)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
506 vals.intersection_update(val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
507 self._val = [v for v in vals]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
508 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
509 self._val = val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
510 self.has_values = True
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
511
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
512 val = property(lambda self: self._val, _set_val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
513
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
514 def _sort(self, val):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
515 """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
516 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
517 responsible for setting attr_sort_done only for trailing
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
518 attributes (otherwise the sort order is wrong). Since pythons
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
519 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
520 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
521 current sort.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
522
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
523 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
524 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
525 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
526 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
527 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
528 repeated sorting is probably more efficient than using
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
529 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
530 methods.
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 if not val:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
533 return val
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
534 sortattr = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
535 directions = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
536 dir_idx = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
537 idx = 0
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
538 curdir = None
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
539 for sa in self.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
540 if sa.attr_sort_done:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
541 break
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
542 if sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
543 assert len(sortattr[0]) == len(sa.sort_result)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
544 sortattr.append (sa.sort_result)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
545 if curdir != sa.sort_direction:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
546 dir_idx.append (idx)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
547 directions.append (sa.sort_direction)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
548 curdir = sa.sort_direction
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
549 idx += 1
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
550 sortattr.append (val)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
551 sortattr = zip (*sortattr)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
552 for dir, i in reversed(zip(directions, dir_idx)):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
553 rev = dir == '-'
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
554 sortattr = sorted (sortattr, key = lambda x:x[i:idx], reverse = rev)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
555 idx = i
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
556 return [x[-1] for x in sortattr]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
557
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
558 def _sort_repr(self, sortrep, ids):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
559 """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
560 recurse until we have a list of ids.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
561 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
562 if not ids:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
563 return ids
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
564 if isinstance (ids[0], list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
565 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
566 else:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
567 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
568 return res
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
569
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
570 def __repr__(self):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
571 r = ["proptree:" + self.name]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
572 for n in self:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
573 r.append("proptree:" + " " * n.depth + n.name)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
574 return '\n'.join(r)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
575 __str__ = __repr__
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
576
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
577 #
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
578 # 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
579 #
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
580 class DatabaseError(ValueError):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
581 """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
582 """
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
583 pass
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
584 class Database:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
585 """A database for storing records containing flexible data types.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
586
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
587 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
588 store their data.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
589
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
590
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
591 Transactions
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
592 ------------
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
593 The Database should support transactions through the commit() and
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
594 rollback() methods. All other Database methods should be transaction-aware,
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
595 using data from the current transaction before looking up the database.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
596
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
597 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
598 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
599 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
600 transaction.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
601
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
602
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
603 Implementation
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
604 --------------
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
605
1926
3bdd34547fa7 Remove implementations of Class.getnode from back_anydbm and rdbms_common...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1905
diff changeset
606 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
607
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
608 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
609
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
610 # flag to set on retired entries
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
611 RETIRED_FLAG = '__hyperdb_retired'
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
612
3491
0e5f15520e70 fix detection of "missing" existing values in CGI form parser [SF#1414149]
Richard Jones <richard@users.sourceforge.net>
parents: 3488
diff changeset
613 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
614 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
615 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
616
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 490
diff changeset
617 def __init__(self, config, journaltag=None):
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
618 """Open a hyperdatabase given a specifier to some storage.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
619
524
dce4c75bef5a changed all config accesses...
Richard Jones <richard@users.sourceforge.net>
parents: 490
diff changeset
620 The 'storagelocator' is obtained from config.DATABASE.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
621 The meaning of 'storagelocator' depends on the particular
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
622 implementation of the hyperdatabase. It could be a file name,
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
623 a directory path, a socket descriptor for a connection to a
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
624 database over the network, etc.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
625
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
626 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
627 entries for any edits done on the database. If 'journaltag' is
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
628 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
629 Class.set(), and Class.retire() methods are disabled.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
630 """
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
631 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
632
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
633 def post_init(self):
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
634 """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
635 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
636 structures.
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
637 """
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
638 raise NotImplementedError
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
639
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
640 def refresh_database(self):
91a4619b1a14 hyperdb grows a refresh_database() method.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1780
diff changeset
641 """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
642 and structures. Not called in normal usage."""
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
643 raise NotImplementedError
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
644
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
645 def __getattr__(self, classname):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
646 """A convenient way of calling self.getclass(classname)."""
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
647 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
648
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
649 def addclass(self, cl):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
650 """Add a Class to the hyperdatabase.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
651 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
652 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
653
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
654 def getclasses(self):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
655 """Return a list of the names of all existing classes."""
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
656 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
657
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
658 def getclass(self, classname):
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
659 """Get the Class object representing a particular class.
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
660
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
661 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
662 """
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
663 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
664
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
665 def clear(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
666 """Delete all database contents.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
667 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
668 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
669
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
670 def getclassdb(self, classname, mode='r'):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
671 """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
672 multiple actions.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
673 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
674 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
675
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
676 def addnode(self, classname, nodeid, node):
1928
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
677 """Add the specified node to its class's db.
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
678 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
679 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
680
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
681 def serialise(self, classname, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
682 """Copy the node contents, converting non-marshallable data into
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
683 marshallable data.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
684 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
685 return node
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
686
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
687 def setnode(self, classname, nodeid, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
688 """Change the specified node.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
689 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
690 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
691
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
692 def unserialise(self, classname, node):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
693 """Decode the marshalled node data
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
694 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
695 return node
676
bc46480e2a2b Fixed serialisation problem...
Richard Jones <richard@users.sourceforge.net>
parents: 657
diff changeset
696
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
697 def getnode(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
698 """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
699
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
700 '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
701 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
702 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
703
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
704 def hasnode(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
705 """Determine if the database has a given node.
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
706 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
707 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
708
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
709 def countnodes(self, classname):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
710 """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
711 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
712 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
713
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
714 def storefile(self, classname, nodeid, property, content):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
715 """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
716
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
717 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
718 indicate which property is being saved.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
719 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
720 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
721
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
722 def getfile(self, classname, nodeid, property):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
723 """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
724 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
725 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
726
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
727 def addjournal(self, classname, nodeid, action, params):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
728 """ Journal the Action
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
729 'action' may be:
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
730
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
731 'create' or 'set' -- 'params' is a dictionary of property values
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
732 'link' or 'unlink' -- 'params' is (classname, nodeid, propname)
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
733 'retire' -- 'params' is None
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
734 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
735 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
736
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
737 def getjournal(self, classname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
738 """ get the journal for id
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
739 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
740 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
741
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 557
diff changeset
742 def pack(self, pack_before):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
743 """ pack the database
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
744 """
562
62febbd7ffec You can now use the roundup-admin tool to pack the database
Roche Compaan <rochecompaan@users.sourceforge.net>
parents: 557
diff changeset
745 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
746
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
747 def commit(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
748 """ Commit the current transactions.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
749
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
750 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
751 last commit() or rollback().
3687
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
752
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
753 fail_ok indicates that the commit is allowed to fail. This is used
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
754 in the web interface when committing cleaning of the session
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
755 database. We don't care if there's a concurrency issue there.
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
756
ff9f4ca42454 Postgres backend allows transaction collisions to be ignored when...
Richard Jones <richard@users.sourceforge.net>
parents: 3684
diff changeset
757 The only backend this seems to affect is postgres.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
758 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
759 raise NotImplementedError
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
760
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
761 def rollback(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
762 """ Reverse all actions from the current transaction.
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
763
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
764 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
765 commit() or rollback() was performed.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
766 """
477
05a46da7293a hyperdb docstrings
Richard Jones <richard@users.sourceforge.net>
parents: 475
diff changeset
767 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
768
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
769 def close(self):
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
770 """Close the database.
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
771
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
772 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
773
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
774 """
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
775
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
776 def iter_roles(roles):
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
777 ''' 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
778 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
779 '''
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
780 if not roles or not roles.strip():
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
781 raise StopIteration, "Empty roles given"
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
782 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
783 yield role
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
784
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
785
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
786 #
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
787 # The base Class class
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
788 #
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
789 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
790 """ 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
791
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
792 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
793 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
794 """
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
795
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
796 def __init__(self, db, classname, **properties):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
797 """Create a new class with a given name and property specification.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
798
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
799 'classname' must not collide with the name of an existing class,
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
800 or a ValueError is raised. The keyword arguments in 'properties'
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
801 must map names to property objects, or a TypeError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
802 """
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
803 for name in 'creation activity creator actor'.split():
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
804 if properties.has_key(name):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
805 raise ValueError, '"creation", "activity", "creator" and '\
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
806 '"actor" are reserved'
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
807
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
808 self.classname = classname
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
809 self.properties = properties
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
810 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
811 self.key = ''
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
812
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
813 # should we journal changes (default yes)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
814 self.do_journal = 1
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
815
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
816 # do the db-related init stuff
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
817 db.addclass(self)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
818
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
819 actions = "create set retire restore".split()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
820 self.auditors = dict([(a, PrioList()) for a in actions])
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
821 self.reactors = dict([(a, PrioList()) for a in actions])
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
822
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
823 def __repr__(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
824 """Slightly more useful representation
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
825 """
993
07f88a837450 turn on journalling of links by default
Richard Jones <richard@users.sourceforge.net>
parents: 940
diff changeset
826 return '<hyperdb.Class "%s">'%self.classname
452
7181efddce66 yuck, a gdbm instance tests false :(
Richard Jones <richard@users.sourceforge.net>
parents: 431
diff changeset
827
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
828 # Editing nodes:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
829
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
830 def create(self, **propvalues):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
831 """Create a new node of this class and return its id.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
832
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
833 The keyword arguments in 'propvalues' map property names to values.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
834
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
835 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
836 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
837
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
838 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
839 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
840
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
841 Any other properties on this class that are missing from the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
842 'propvalues' dictionary are set to None.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
843
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
844 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
845 node, an IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
846 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
847 raise NotImplementedError
775
4409798dfa15 Can debug to stdout now
Richard Jones <richard@users.sourceforge.net>
parents: 764
diff changeset
848
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
849 _marker = []
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
850 def get(self, nodeid, propname, default=_marker, cache=1):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
851 """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
852
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
853 '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
854 IndexError is raised. 'propname' must be the name of a property
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
855 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
856
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
857 'cache' exists for backwards compatibility, and is not used.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
858 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
859 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
860
1926
3bdd34547fa7 Remove implementations of Class.getnode from back_anydbm and rdbms_common...
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1905
diff changeset
861 # not in spec
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
862 def getnode(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
863 """ 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
864
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
865 '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
866 IndexError is raised.
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
867
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
868 '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
869 """
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
870 return Node(self, nodeid)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
871
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
872 def getnodeids(self, retired=None):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
873 """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
874 """
1864
969a14faf707 Fixed "documentation" of getnodeids in roundup.hyperdb
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
875 raise NotImplementedError
969a14faf707 Fixed "documentation" of getnodeids in roundup.hyperdb
Richard Jones <richard@users.sourceforge.net>
parents: 1840
diff changeset
876
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
877 def set(self, nodeid, **propvalues):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
878 """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
879
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
880 '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
881 IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
882
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
883 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
884 class or a KeyError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
885
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
886 All values in 'propvalues' must be acceptable types for their
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
887 corresponding properties or a TypeError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
888
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
889 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
890 other key strings or a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
891
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
892 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
893 node id, a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
894 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
895 raise NotImplementedError
25
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 def retire(self, nodeid):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
898 """Retire a node.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
899
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
900 The properties on the node remain available from the get() method,
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
901 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
902
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
903 Retired nodes are not returned by the find(), list(), or lookup()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
904 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
905 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
906 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
907
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
908 def restore(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
909 """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
910
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
911 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
912 """
1523
63aa7be52d2c checked to make sure that the restored item doesn't clash...
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1470
diff changeset
913 raise NotImplementedError
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
914
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
915 def is_retired(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
916 """Return true if the node is rerired
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
917 """
940
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
918 raise NotImplementedError
301a02ea6020 added is_retired query to Class
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
919
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
920 def destroy(self, nodeid):
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
921 """Destroy a node.
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
922
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
923 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
924 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
925 deleted
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
926
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
927 WARNING: use retire() instead
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
928
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
929 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
930
894
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
931 WARNING: really, use retire() instead
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
932
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
933 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
934 support the session storage of the cgi interface.
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
935
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
936 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
937 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
938 if there are any references to the node.
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
939 """
cbefecea6c74 Gordon, does this help?
Richard Jones <richard@users.sourceforge.net>
parents: 883
diff changeset
940
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
941 def history(self, nodeid):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
942 """Retrieve the journal of edits on a particular node.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
943
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
944 '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
945 IndexError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
946
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
947 The returned list contains tuples of the form
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
948
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
949 (date, tag, action, params)
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 '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
952 'tag' is the journaltag specified when the database was opened.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
953 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
954 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
955
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
956 # 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
957 def hasnode(self, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
958 """Determine if the given nodeid actually exists
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
959 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
960 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
961
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
962 def setkey(self, propname):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
963 """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
964
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
965 '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
966 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
967 all existing nodes must be unique or a ValueError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
968 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
969 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
970
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
971 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
972 """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
973 resolution order.
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
974 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
975 if labelprop not in self.getprops():
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
976 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
977 self._labelprop = labelprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
978
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
979 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
980 """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
981 resolution order
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
982 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
983 if orderprop not in self.getprops():
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
984 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
985 self._orderprop = orderprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
986
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
987 def getkey(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
988 """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
989 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
990
188
1536be43d2fa Roundupdb now appends "mailing list" information to its messages...
Richard Jones <richard@users.sourceforge.net>
parents: 172
diff changeset
991 def labelprop(self, default_to_id=0):
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
992 """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
993
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
994 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
995 It tries the following in order:
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
996
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
997 0. self._labelprop if set
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
998 1. key property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
999 2. "name" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1000 3. "title" property
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1001 4. first property from the sorted property name list
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1002 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1003 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
1004 return self._labelprop
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1005 k = self.getkey()
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1006 if k:
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1007 return k
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1008 props = self.getprops()
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1009 if props.has_key('name'):
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1010 return 'name'
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1011 elif props.has_key('title'):
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1012 return 'title'
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1013 if default_to_id:
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1014 return 'id'
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1015 props = props.keys()
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1016 props.sort()
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1017 return props[0]
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1018
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1019 def orderprop(self):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1020 """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
1021
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1022 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
1023 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
1024
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1025 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
1026 1. "order" property
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1027 2. self.labelprop()
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1028 """
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1029
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1030 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
1031 return self._orderprop
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1032 props = self.getprops()
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1033 if props.has_key('order'):
3476
1142dafe0d7f added setorderprop() and setlabelprop() to Class (lots of patches)
Richard Jones <richard@users.sourceforge.net>
parents: 3455
diff changeset
1034 return 'order'
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1035 return self.labelprop()
123
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
1036
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1037 def lookup(self, keyvalue):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1038 """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
1039
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1040 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
1041 'keyvalue' matches one of the values for the key property among
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1042 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
1043 otherwise a KeyError is raised.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1044 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1045 raise NotImplementedError
25
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 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
1048 """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
1049
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1050 'propspec' consists of keyword args propname={nodeid:1,}
883
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1051 'propname' must be the name of a property in this class, or a
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1052 KeyError is raised. That property must be a Link or Multilink
Richard Jones <richard@users.sourceforge.net>
parents: 880
diff changeset
1053 property, or a TypeError is raised.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1054
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
1055 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
1056 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
1057 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
1058 issues:
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1059
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
1060 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
1061 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1062 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1063
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1064 def _filter(self, search_matches, filterspec, sort=(None,None),
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1065 group=(None,None)):
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1066 """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
1067 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
1068 """
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1069 raise NotImplementedError
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1070
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1071 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
1072 """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
1073 filterspec.
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1074 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
1075 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
1076 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
1077 """
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1078 proptree = Proptree(self.db, self, '', self.getprops(), retr=retr)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1079 for key, v in filterspec.iteritems():
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1080 keys = key.split('.')
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1081 p = proptree
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1082 mlseen = False
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1083 for k in keys:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1084 if isinstance (p.propclass, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1085 mlseen = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1086 isnull = v == '-1' or v is None
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1087 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
1088 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
1089 p = p.append(k, retr=r)
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1090 p.val = v
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1091 multilinks = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1092 for s in sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1093 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
1094 p = proptree
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1095 mlseen = False
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1096 for k in keys:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1097 if isinstance (p.propclass, Multilink):
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1098 mlseen = True
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1099 r = retr and not mlseen
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1100 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
1101 if isinstance (p.propclass, Multilink):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1102 multilinks[p] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1103 if p.cls:
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1104 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
1105 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
1106 continue
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1107 p.sort_direction = s[0]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1108 proptree.sortattr.append (p)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1109 for p in multilinks.iterkeys():
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1110 sattr = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1111 for c in p:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1112 if c.sort_direction:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1113 sattr [c] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1114 for sa in proptree.sortattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1115 if sa in sattr:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1116 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
1117 return proptree
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1118
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1119 def get_transitive_prop(self, propname_path, default = None):
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1120 """Expand a transitive property (individual property names
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1121 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
1122 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
1123 None.
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1124 Example propname_path (for class issue): "messages.author"
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1125 """
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1126 props = self.db.getclass(self.classname).getprops()
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1127 for k in propname_path.split('.'):
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1128 try:
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1129 prop = props[k]
4408
06af6d5bedbe fix for incorrect except: syntax, issue2550661
Richard Jones <richard@users.sourceforge.net>
parents: 4306
diff changeset
1130 except (KeyError, TypeError):
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1131 return default
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1132 cl = getattr(prop, 'classname', None)
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1133 props = None
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1134 if cl:
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1135 props = self.db.getclass(cl).getprops()
3635
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1136 return prop
53987aa153d2 Transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3634
diff changeset
1137
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1138 def _sortattr(self, sort=[], group=[]):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1139 """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
1140 with sanity checks (no duplicate properties) included. Always
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1141 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
1142 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1143 seen = {}
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1144 sortattr = []
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1145 for srt in group, sort:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1146 if not isinstance(srt, list):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1147 srt = [srt]
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1148 for s in srt:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1149 if s[1] and s[1] not in seen:
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1150 sortattr.append((s[0] or '+', s[1]))
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1151 seen[s[1]] = True
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1152 if 'id' not in seen :
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1153 sortattr.append(('+', 'id'))
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1154 return sortattr
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1155
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1156 def filter(self, search_matches, filterspec, sort=[], group=[]):
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1157 """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
1158 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
1159 sort spec.
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1160
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1161 "filterspec" is {propname: value(s)}
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1244
diff changeset
1162
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1163 "sort" and "group" are [(dir, prop), ...] where dir is '+', '-'
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1164 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
1165 backward-compatibility reasons a single (dir, prop) tuple is
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1166 also allowed.
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1167
4048
7ad0918ee8bd Clarify 'search_matches' docs.
Stefan Seefeld <stefan@seefeld.name>
parents: 4044
diff changeset
1168 "search_matches" is a container type
1249
6c24a86a12ae Fixes for SourceForge tracker bugs.
Richard Jones <richard@users.sourceforge.net>
parents: 1244
diff changeset
1169
3455
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1170 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
1171 value to match is a list:
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1172
e01bc6d65fa9 fixed documentation of filter()...
Richard Jones <richard@users.sourceforge.net>
parents: 3399
diff changeset
1173 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
1174 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
1175
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1176 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
1177 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
1178 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
1179 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
1180 the last week with a filterspec of
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1181 {'messages.author' : '42', 'messages.creation' : '.-1w;'}
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1182
3634
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1183 Implementation note:
57c66056ffe4 Implemented what I'll call for now "transitive searching"...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3621
diff changeset
1184 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
1185 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
1186 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
1187 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
1188 override the filter method instead of implementing _filter.
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1929
diff changeset
1189 """
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1190 sortattr = self._sortattr(sort = sort, group = group)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1191 proptree = self._proptree(filterspec, sortattr)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1192 proptree.search(search_matches)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1193 return proptree.sort()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1194
4472
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1195 # 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
1196 # 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
1197 # 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
1198 # 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
1199 # anyway).
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1200 filter_iter = filter
34dce76bb202 Multilink fixes and optimizations:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4431
diff changeset
1201
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1202 def count(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1203 """Get the number of nodes in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1204
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1205 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
1206 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
1207 id of the next node to be created in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1208 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1209 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1210
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1211 # Manipulating properties:
262
ab921dc53ccd Added nicer command-line item adding:
Richard Jones <richard@users.sourceforge.net>
parents: 236
diff changeset
1212 def getprops(self, protected=1):
ab921dc53ccd Added nicer command-line item adding:
Richard Jones <richard@users.sourceforge.net>
parents: 236
diff changeset
1213 """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
1214 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
1215 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
1216 """
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1217 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1218
3682
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1219 def get_required_props(self, propnames = []):
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1220 """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
1221 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
1222 returned in addition to all properties in the propnames
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1223 parameter.
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1224 """
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1225 props = self.getprops(protected = False)
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1226 pdict = dict([(p, props[p]) for p in propnames])
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1227 pdict.update([(k, v) for k, v in props.iteritems() if v.required])
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1228 return pdict
193f316dbbe9 More transitive-property support.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3668
diff changeset
1229
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1230 def addprop(self, **properties):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1231 """Add properties to this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1232
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1233 The keyword arguments in 'properties' must map names to property
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1234 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
1235 may collide with the names of existing properties, or a ValueError
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1236 is raised before any properties have been added.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1237 """
858
2dd862af72ee all storage-specific code (ie. backend) is now implemented by the backends
Richard Jones <richard@users.sourceforge.net>
parents: 841
diff changeset
1238 raise NotImplementedError
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1239
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
1240 def index(self, nodeid):
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1241 """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
1242 raise NotImplementedError
825
0779ea9f1f18 More indexer work:
Richard Jones <richard@users.sourceforge.net>
parents: 805
diff changeset
1243
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1244 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1245 # Detector interface
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1246 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1247 def audit(self, event, detector, priority = 100):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1248 """Register an auditor detector"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1249 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
1250
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1251 def fireAuditors(self, event, nodeid, newvalues):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1252 """Fire all registered auditors"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1253 for prio, name, audit in self.auditors[event]:
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1254 audit(self.db, self, nodeid, newvalues)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1255
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1256 def react(self, event, detector, priority = 100):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1257 """Register a reactor detector"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1258 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
1259
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1260 def fireReactors(self, event, nodeid, oldvalues):
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1261 """Fire all registered reactors"""
3743
e754cc14e76a fix unstable ordering of detectors [SF#1585378]
Richard Jones <richard@users.sourceforge.net>
parents: 3695
diff changeset
1262 for prio, name, react in self.reactors[event]:
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1263 react(self.db, self, nodeid, oldvalues)
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1264
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1265 #
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1266 # import / export support
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1267 #
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1268 def export_propnames(self):
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1269 """List the property names for export from this Class"""
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1270 propnames = self.getprops().keys()
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1271 propnames.sort()
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1272 return propnames
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1273
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1274 def import_journals(self, entries):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1275 """Import a class's journal.
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1276
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1277 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
1278 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
1279 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
1280 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
1281 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
1282 properties = self.getprops()
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1283 a = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1284 for l in entries:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1285 # 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
1286 # 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
1287 a.append ((int (l [0].strip ("'")), l))
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1288 a.sort ()
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1289
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1290
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1291 last = 0
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1292 r = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1293 for n, l in a:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1294 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
1295 assert (str(n) == nodeid)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1296 if n != last:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1297 if r:
4431
9b619dcb030a - fix import (now passes for memorydb, too)
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4430
diff changeset
1298 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
1299 last = n
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1300 r = []
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1301
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1302 if action == 'set':
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1303 for propname, value in params.iteritems():
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1304 prop = properties[propname]
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1305 if value is None:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1306 pass
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1307 elif isinstance(prop, Date):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1308 value = date.Date(value)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1309 elif isinstance(prop, Interval):
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1310 value = date.Interval(value)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1311 elif isinstance(prop, Password):
4480
1613754d2646 Fix first part of Password handling security issue2550688
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4472
diff changeset
1312 value = password.Password(encrypted=value)
4430
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1313 params[propname] = value
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1314 elif action == 'create' and params:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1315 # 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
1316 params = {}
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1317 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
1318 if r:
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1319 self.db.setjournal(self.classname, nodeid, r)
f2f2904fe6ce - refactor: move import_journal to hyperdb
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4408
diff changeset
1320
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1321 #
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1322 # convenience methods
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1323 #
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1324 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
1325 """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
1326
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1327 Yields string-processed roles.
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1328 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
1329 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
1330 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
1331 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
1332 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
1333 processing happens!
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1334 """
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1335 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
1336 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
1337
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1338 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
1339 '''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
1340
4306
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1341 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
1342 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
1343 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
1344 '''
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1345 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
1346 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
1347 if role in roles:
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1348 return True
966592263fb8 Clean up all the places where role processing occurs.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4089
diff changeset
1349 return False
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1350
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1351
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1352 class HyperdbValueError(ValueError):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1353 """ 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
1354 pass
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1355
2244
ac4f295499a4 fixed journal marshalling in RDBMS backends [SF#943627]
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
1356 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
1357 """ 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
1358 linkcl = db.classes[prop.classname]
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1359 if not idre.match(value):
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1360 if linkcl.getkey():
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1361 try:
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1362 value = linkcl.lookup(value)
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1363 except KeyError, message:
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
1364 raise HyperdbValueError, _('property %s: %r is not a %s.')%(
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1365 propname, value, prop.classname)
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1366 else:
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
1367 raise HyperdbValueError, _('you may only enter ID values '\
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
1368 '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
1369 return value
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1370
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1371 def fixNewlines(text):
1928
7c1ddebe7589 Small readability improvements.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1927
diff changeset
1372 """ Homogenise line endings.
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1373
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1374 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
1375 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
1376 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
1377 """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1378 text = text.replace('\r\n', '\n')
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1379 return text.replace('\r', '\n')
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1380
3383
c1c67c62b699 applied patch [SF#236087]
Richard Jones <richard@users.sourceforge.net>
parents: 3019
diff changeset
1381 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
1382 """ 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
1383 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
1384 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
1385
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1386 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
1387 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
1388 values.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1389 """
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1390 properties = klass.getprops()
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1391
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1392 # 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
1393 propname = propname.strip()
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1394 try:
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1395 proptype = properties[propname]
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1396 except KeyError:
3925
603ec9630b08 i18n for hyperdb and backend errors
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
1397 raise HyperdbValueError, _('%r is not a property of %s')%(propname,
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1398 klass.classname)
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1399
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1400 # 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
1401 if isinstance(value, type('')):
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1402 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
1403
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1404 # 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
1405 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
1406 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
1407
1905
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1408 return value
dc43e339e607 Centralised conversion of user-input data to hyperdb values
Richard Jones <richard@users.sourceforge.net>
parents: 1864
diff changeset
1409
1442
b42fa71754c9 don't attempt to create FileClass items if no content is supplied
Richard Jones <richard@users.sourceforge.net>
parents: 1249
diff changeset
1410 class FileClass:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1411 """ 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
1412 disk.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1413 """
3601
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1414 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
1415
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1416 def __init__(self, db, classname, **properties):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1417 """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
1418 property.
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1419 """
3601
7b25567f0f54 indexing may be turned off for FileClass "content" now
Richard Jones <richard@users.sourceforge.net>
parents: 3586
diff changeset
1420 if not properties.has_key('content'):
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1421 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
1422
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1423 def export_propnames(self):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1424 """ Don't export the "content" property
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1425 """
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1426 propnames = self.getprops().keys()
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1427 propnames.remove('content')
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1428 propnames.sort()
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1429 return propnames
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1430
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1431 def exportFilename(self, 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
1432 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
1433 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
1434
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1435 def export_files(self, dirname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1436 """ 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
1437 """
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1438 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
1439
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1440 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
1441 ensureParentsExist(dest)
3488
e4177cf4d30d common initialization code and detectors interface...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3476
diff changeset
1442 shutil.copyfile(source, dest)
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1443
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1444 def import_files(self, dirname, nodeid):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1445 """ Import the "content" property as a file
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1446 """
3019
293a17149765 First cut at exporting/importing file content from and to the hyperdb.
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 2962
diff changeset
1447 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
1448
2962
4607f58a007b py2.1 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 2909
diff changeset
1449 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
1450 ensureParentsExist(dest)
2496
Richard Jones <richard@users.sourceforge.net>
parents: 2334
diff changeset
1451 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
1452
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1453 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
1454 props = self.getprops()
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
1455 if props.has_key('type'):
3545
507b2df02956 fixes to import_files
Richard Jones <richard@users.sourceforge.net>
parents: 3544
diff changeset
1456 mime_type = self.get(nodeid, 'type')
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1457 if not mime_type:
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1458 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
1459 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
1460 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
1461 self.get(nodeid, 'content'), mime_type)
3544
5cd1c83dea50 Features and fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3491
diff changeset
1462
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1463 class Node:
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1464 """ A convenience wrapper for the given node
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1465 """
475
a1a44636bace Fix breakage caused by transaction changes.
Richard Jones <richard@users.sourceforge.net>
parents: 466
diff changeset
1466 def __init__(self, cl, nodeid, cache=1):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1467 self.__dict__['cl'] = cl
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1468 self.__dict__['nodeid'] = nodeid
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1469 def keys(self, protected=1):
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1470 return self.cl.getprops(protected=protected).keys()
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1471 def values(self, protected=1):
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1472 l = []
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1473 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
1474 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
1475 return l
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1476 def items(self, protected=1):
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1477 l = []
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1478 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
1479 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
1480 return l
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1481 def has_key(self, name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1482 return self.cl.getprops().has_key(name)
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1483 def get(self, name, default=None):
1470
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1484 if self.has_key(name):
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1485 return self[name]
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1486 else:
9ccd69fbe33e applied patch [SF#688595]
Richard Jones <richard@users.sourceforge.net>
parents: 1442
diff changeset
1487 return default
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1488 def __getattr__(self, name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1489 if self.__dict__.has_key(name):
278
a5dabf2430c5 Added database importing and exporting through CSV files.
Richard Jones <richard@users.sourceforge.net>
parents: 275
diff changeset
1490 return self.__dict__[name]
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1491 try:
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1492 return self.cl.get(self.nodeid, name)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1493 except KeyError, value:
460
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1494 # 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
1495 # exceptions should pass through untrapped
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1496 pass
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1497 # nope, no such attribute
9c895b44240a take a copy of the node dict...
Richard Jones <richard@users.sourceforge.net>
parents: 457
diff changeset
1498 raise AttributeError, str(value)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1499 def __getitem__(self, name):
1780
d2801a2b0a77 Initial implementation (half-baked) at new Tracker instance.
Richard Jones <richard@users.sourceforge.net>
parents: 1523
diff changeset
1500 return self.cl.get(self.nodeid, name)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1501 def __setattr__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1502 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1503 return self.cl.set(self.nodeid, **{name: value})
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1504 except KeyError, value:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1505 raise AttributeError, str(value)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1506 def __setitem__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1507 self.cl.set(self.nodeid, **{name: value})
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1508 def history(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1509 return self.cl.history(self.nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1510 def retire(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1511 return self.cl.retire(self.nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1512
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1513
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1514 def Choice(name, db, *options):
4063
625915ce35b8 Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 4048
diff changeset
1515 """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
1516 """
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1517 cl = Class(db, name, name=String(), order=String())
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1518 for i in range(len(options)):
648
07422fe57db2 Ran it through pychecker, made fixes
Richard Jones <richard@users.sourceforge.net>
parents: 628
diff changeset
1519 cl.create(name=options[i], order=i)
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3802
diff changeset
1520 return Link(name)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1521
2909
2fc6c508b537 Database instances must have method close()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2906
diff changeset
1522 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/