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annotate roundup/hyperdb.py @ 156:9c5ddad06430

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get() now has a default arg - for migration only.
author Richard Jones <richard@users.sourceforge.net>
date Mon, 30 Jul 2001 02:38:31 +0000
parents 204f99944de0
children c580555a6508
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
156
9c5ddad06430 get() now has a default arg - for migration only.
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1 # $Id: hyperdb.py,v 1.10 2001-07-30 02:38:31 richard Exp $
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2
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3 # standard python modules
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4 import cPickle, re, string
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5
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6 # roundup modules
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7 import date
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8
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9
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10 #
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11 # Types
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12 #
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13 class BaseType:
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14 isStringType = 0
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15 isDateType = 0
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16 isIntervalType = 0
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17 isLinkType = 0
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18 isMultilinkType = 0
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19
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20 class String(BaseType):
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21 def __init__(self):
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22 """An object designating a String property."""
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23 pass
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24 def __repr__(self):
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25 return '<%s>'%self.__class__
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26 isStringType = 1
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28 class Date(BaseType, String):
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29 isDateType = 1
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30
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31 class Interval(BaseType, String):
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32 isIntervalType = 1
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33
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34 class Link(BaseType):
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35 def __init__(self, classname):
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36 """An object designating a Link property that links to
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37 nodes in a specified class."""
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38 self.classname = classname
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39 def __repr__(self):
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40 return '<%s to "%s">'%(self.__class__, self.classname)
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41 isLinkType = 1
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42
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43 class Multilink(BaseType, Link):
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44 """An object designating a Multilink property that links
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45 to nodes in a specified class.
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46 """
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47 isMultilinkType = 1
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48
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49 class DatabaseError(ValueError):
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50 pass
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52
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53 #
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54 # the base Database class
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55 #
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56 class Database:
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57 # flag to set on retired entries
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58 RETIRED_FLAG = '__hyperdb_retired'
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60
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61 _marker = []
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62 #
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63 # The base Class class
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64 #
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65 class Class:
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66 """The handle to a particular class of nodes in a hyperdatabase."""
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67
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68 def __init__(self, db, classname, **properties):
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69 """Create a new class with a given name and property specification.
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70
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71 'classname' must not collide with the name of an existing class,
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72 or a ValueError is raised. The keyword arguments in 'properties'
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73 must map names to property objects, or a TypeError is raised.
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74 """
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75 self.classname = classname
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76 self.properties = properties
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77 self.db = db
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78 self.key = ''
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79
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80 # do the db-related init stuff
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81 db.addclass(self)
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82
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83 # Editing nodes:
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84
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85 def create(self, **propvalues):
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86 """Create a new node of this class and return its id.
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87
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88 The keyword arguments in 'propvalues' map property names to values.
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89
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90 The values of arguments must be acceptable for the types of their
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91 corresponding properties or a TypeError is raised.
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92
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93 If this class has a key property, it must be present and its value
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94 must not collide with other key strings or a ValueError is raised.
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95
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96 Any other properties on this class that are missing from the
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97 'propvalues' dictionary are set to None.
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98
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99 If an id in a link or multilink property does not refer to a valid
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100 node, an IndexError is raised.
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101 """
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102 if propvalues.has_key('id'):
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103 raise KeyError, '"id" is reserved'
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104
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105 if self.db.journaltag is None:
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106 raise DatabaseError, 'Database open read-only'
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107
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108 # new node's id
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109 newid = str(self.count() + 1)
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110
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111 # validate propvalues
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112 num_re = re.compile('^\d+$')
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113 for key, value in propvalues.items():
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114 if key == self.key:
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115 try:
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116 self.lookup(value)
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117 except KeyError:
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118 pass
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119 else:
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120 raise ValueError, 'node with key "%s" exists'%value
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121
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122 prop = self.properties[key]
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123
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124 if prop.isLinkType:
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125 if type(value) != type(''):
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126 raise ValueError, 'link value must be String'
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127 # value = str(value)
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128 link_class = self.properties[key].classname
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129 # if it isn't a number, it's a key
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130 if not num_re.match(value):
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131 try:
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132 value = self.db.classes[link_class].lookup(value)
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133 except:
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134 raise IndexError, 'new property "%s": %s not a %s'%(
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135 key, value, self.properties[key].classname)
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136 propvalues[key] = value
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137 if not self.db.hasnode(link_class, value):
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138 raise IndexError, '%s has no node %s'%(link_class, value)
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139
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140 # register the link with the newly linked node
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141 self.db.addjournal(link_class, value, 'link',
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142 (self.classname, newid, key))
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143
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144 elif prop.isMultilinkType:
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145 if type(value) != type([]):
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146 raise TypeError, 'new property "%s" not a list of ids'%key
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147 link_class = self.properties[key].classname
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148 l = []
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149 for entry in value:
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150 if type(entry) != type(''):
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151 raise ValueError, 'link value must be String'
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152 # if it isn't a number, it's a key
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153 if not num_re.match(entry):
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154 try:
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155 entry = self.db.classes[link_class].lookup(entry)
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156 except:
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157 raise IndexError, 'new property "%s": %s not a %s'%(
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158 key, entry, self.properties[key].classname)
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159 l.append(entry)
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160 value = l
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161 propvalues[key] = value
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162
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163 # handle additions
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164 for id in value:
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165 if not self.db.hasnode(link_class, id):
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166 raise IndexError, '%s has no node %s'%(link_class, id)
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167 # register the link with the newly linked node
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168 self.db.addjournal(link_class, id, 'link',
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169 (self.classname, newid, key))
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170
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171 elif prop.isStringType:
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172 if type(value) != type(''):
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173 raise TypeError, 'new property "%s" not a string'%key
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174
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175 elif prop.isDateType:
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176 if not hasattr(value, 'isDate'):
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177 raise TypeError, 'new property "%s" not a Date'% key
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178
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179 elif prop.isIntervalType:
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180 if not hasattr(value, 'isInterval'):
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181 raise TypeError, 'new property "%s" not an Interval'% key
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182
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183 for key, prop in self.properties.items():
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184 if propvalues.has_key(key):
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185 continue
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186 if prop.isMultilinkType:
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187 propvalues[key] = []
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188 else:
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189 propvalues[key] = None
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190
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191 # done
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192 self.db.addnode(self.classname, newid, propvalues)
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193 self.db.addjournal(self.classname, newid, 'create', propvalues)
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194 return newid
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195
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196 def get(self, nodeid, propname, default=_marker):
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197 """Get the value of a property on an existing node of this class.
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198
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199 'nodeid' must be the id of an existing node of this class or an
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200 IndexError is raised. 'propname' must be the name of a property
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201 of this class or a KeyError is raised.
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202 """
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203 if propname == 'id':
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204 return nodeid
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205 # nodeid = str(nodeid)
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206 d = self.db.getnode(self.classname, nodeid)
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207 if not d.has_key(propname) and default is not _marker:
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208 return default
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209 return d[propname]
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210
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211 # XXX not in spec
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212 def getnode(self, nodeid):
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213 ''' Return a convenience wrapper for the node
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214 '''
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215 return Node(self, nodeid)
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216
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217 def set(self, nodeid, **propvalues):
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218 """Modify a property on an existing node of this class.
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219
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220 'nodeid' must be the id of an existing node of this class or an
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221 IndexError is raised.
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222
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223 Each key in 'propvalues' must be the name of a property of this
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224 class or a KeyError is raised.
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225
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226 All values in 'propvalues' must be acceptable types for their
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227 corresponding properties or a TypeError is raised.
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228
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229 If the value of the key property is set, it must not collide with
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230 other key strings or a ValueError is raised.
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231
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232 If the value of a Link or Multilink property contains an invalid
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233 node id, a ValueError is raised.
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234 """
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235 if not propvalues:
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236 return
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237
a55c1301ba1f Added the fabricated property "id".
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238 if propvalues.has_key('id'):
a55c1301ba1f Added the fabricated property "id".
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239 raise KeyError, '"id" is reserved'
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240
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241 if self.db.journaltag is None:
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242 raise DatabaseError, 'Database open read-only'
118
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243
89
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244 # nodeid = str(nodeid)
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245 node = self.db.getnode(self.classname, nodeid)
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246 if node.has_key(self.db.RETIRED_FLAG):
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247 raise IndexError
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248 num_re = re.compile('^\d+$')
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249 for key, value in propvalues.items():
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250 if not node.has_key(key):
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251 raise KeyError, key
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252
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253 if key == self.key:
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254 try:
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255 self.lookup(value)
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256 except KeyError:
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257 pass
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258 else:
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259 raise ValueError, 'node with key "%s" exists'%value
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260
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261 prop = self.properties[key]
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262
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263 if prop.isLinkType:
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264 # value = str(value)
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265 link_class = self.properties[key].classname
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266 # if it isn't a number, it's a key
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diff changeset
267 if type(value) != type(''):
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268 raise ValueError, 'link value must be String'
25
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269 if not num_re.match(value):
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270 try:
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271 value = self.db.classes[link_class].lookup(value)
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272 except:
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273 raise IndexError, 'new property "%s": %s not a %s'%(
25
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274 key, value, self.properties[key].classname)
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275
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276 if not self.db.hasnode(link_class, value):
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277 raise IndexError, '%s has no node %s'%(link_class, value)
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278
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279 # register the unlink with the old linked node
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280 if node[key] is not None:
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281 self.db.addjournal(link_class, node[key], 'unlink',
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282 (self.classname, nodeid, key))
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283
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284 # register the link with the newly linked node
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285 if value is not None:
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286 self.db.addjournal(link_class, value, 'link',
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287 (self.classname, nodeid, key))
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288
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289 elif prop.isMultilinkType:
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diff changeset
290 if type(value) != type([]):
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291 raise TypeError, 'new property "%s" not a list of ids'%key
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292 link_class = self.properties[key].classname
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293 l = []
89
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diff changeset
294 for entry in value:
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295 # if it isn't a number, it's a key
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diff changeset
296 if type(entry) != type(''):
b6b30ba53986 Fixed some of the exceptions so they're the right type.
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297 raise ValueError, 'link value must be String'
25
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298 if not num_re.match(entry):
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diff changeset
299 try:
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diff changeset
300 entry = self.db.classes[link_class].lookup(entry)
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301 except:
89
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diff changeset
302 raise IndexError, 'new property "%s": %s not a %s'%(
25
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diff changeset
303 key, entry, self.properties[key].classname)
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diff changeset
304 l.append(entry)
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diff changeset
305 value = l
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306 propvalues[key] = value
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diff changeset
307
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diff changeset
308 #handle removals
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diff changeset
309 l = node[key]
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310 for id in l[:]:
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diff changeset
311 if id in value:
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diff changeset
312 continue
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313 # register the unlink with the old linked node
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314 self.db.addjournal(link_class, id, 'unlink',
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diff changeset
315 (self.classname, nodeid, key))
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diff changeset
316 l.remove(id)
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diff changeset
317
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318 # handle additions
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319 for id in value:
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320 if not self.db.hasnode(link_class, id):
89
b6b30ba53986 Fixed some of the exceptions so they're the right type.
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diff changeset
321 raise IndexError, '%s has no node %s'%(link_class, id)
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322 if id in l:
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323 continue
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324 # register the link with the newly linked node
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325 self.db.addjournal(link_class, id, 'link',
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326 (self.classname, nodeid, key))
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327 l.append(id)
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328
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329 elif prop.isStringType:
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330 if value is not None and type(value) != type(''):
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331 raise TypeError, 'new property "%s" not a string'%key
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332
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333 elif prop.isDateType:
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334 if not hasattr(value, 'isDate'):
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335 raise TypeError, 'new property "%s" not a Date'% key
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336
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337 elif prop.isIntervalType:
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338 if not hasattr(value, 'isInterval'):
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339 raise TypeError, 'new property "%s" not an Interval'% key
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340
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341 node[key] = value
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342
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343 self.db.setnode(self.classname, nodeid, node)
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344 self.db.addjournal(self.classname, nodeid, 'set', propvalues)
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345
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346 def retire(self, nodeid):
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347 """Retire a node.
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348
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349 The properties on the node remain available from the get() method,
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350 and the node's id is never reused.
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351
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352 Retired nodes are not returned by the find(), list(), or lookup()
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353 methods, and other nodes may reuse the values of their key properties.
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354 """
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355 # nodeid = str(nodeid)
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356 if self.db.journaltag is None:
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357 raise DatabaseError, 'Database open read-only'
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358 node = self.db.getnode(self.classname, nodeid)
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359 node[self.db.RETIRED_FLAG] = 1
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360 self.db.setnode(self.classname, nodeid, node)
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361 self.db.addjournal(self.classname, nodeid, 'retired', None)
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362
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363 def history(self, nodeid):
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364 """Retrieve the journal of edits on a particular node.
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365
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366 'nodeid' must be the id of an existing node of this class or an
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367 IndexError is raised.
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368
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369 The returned list contains tuples of the form
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370
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371 (date, tag, action, params)
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372
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373 'date' is a Timestamp object specifying the time of the change and
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374 'tag' is the journaltag specified when the database was opened.
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375 """
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376 return self.db.getjournal(self.classname, nodeid)
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377
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378 # Locating nodes:
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379
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380 def setkey(self, propname):
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381 """Select a String property of this class to be the key property.
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382
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383 'propname' must be the name of a String property of this class or
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384 None, or a TypeError is raised. The values of the key property on
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385 all existing nodes must be unique or a ValueError is raised.
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386 """
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387 self.key = propname
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388
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389 def getkey(self):
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390 """Return the name of the key property for this class or None."""
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391 return self.key
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392
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ce36f2962b94 Fixed handling of passed-in values in form elements (ie. during a drill-down)
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diff changeset
393 def labelprop(self):
123
51cce9671db0 Cleanup of the link label generation.
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diff changeset
394 ''' Return the property name for a label for the given node.
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395
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diff changeset
396 This method attempts to generate a consistent label for the node.
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397 It tries the following in order:
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398 1. key property
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399 2. "name" property
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400 3. "title" property
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401 4. first property from the sorted property name list
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402 '''
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403 k = self.getkey()
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diff changeset
404 if k:
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405 return k
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406 props = self.getprops()
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diff changeset
407 if props.has_key('name'):
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408 return 'name'
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diff changeset
409 elif props.has_key('title'):
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parents: 118
diff changeset
410 return 'title'
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diff changeset
411 props = props.keys()
51cce9671db0 Cleanup of the link label generation.
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parents: 118
diff changeset
412 props.sort()
51cce9671db0 Cleanup of the link label generation.
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diff changeset
413 return props[0]
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diff changeset
414
25
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415 # TODO: set up a separate index db file for this? profile?
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416 def lookup(self, keyvalue):
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diff changeset
417 """Locate a particular node by its key property and return its id.
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418
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diff changeset
419 If this class has no key property, a TypeError is raised. If the
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420 'keyvalue' matches one of the values for the key property among
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421 the nodes in this class, the matching node's id is returned;
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parents:
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422 otherwise a KeyError is raised.
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diff changeset
423 """
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diff changeset
424 cldb = self.db.getclassdb(self.classname)
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425 for nodeid in self.db.getnodeids(self.classname, cldb):
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426 node = self.db.getnode(self.classname, nodeid, cldb)
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427 if node.has_key(self.db.RETIRED_FLAG):
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428 continue
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429 if node[self.key] == keyvalue:
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430 return nodeid
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431 cldb.close()
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diff changeset
432 raise KeyError, keyvalue
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433
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434 # XXX: change from spec - allows multiple props to match
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435 def find(self, **propspec):
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diff changeset
436 """Get the ids of nodes in this class which link to a given node.
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diff changeset
437
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diff changeset
438 'propspec' consists of keyword args propname=nodeid
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diff changeset
439 'propname' must be the name of a property in this class, or a
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440 KeyError is raised. That property must be a Link or Multilink
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441 property, or a TypeError is raised.
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diff changeset
442
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diff changeset
443 'nodeid' must be the id of an existing node in the class linked
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444 to by the given property, or an IndexError is raised.
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parents:
diff changeset
445 """
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diff changeset
446 propspec = propspec.items()
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diff changeset
447 for propname, nodeid in propspec:
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b6b30ba53986 Fixed some of the exceptions so they're the right type.
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diff changeset
448 # nodeid = str(nodeid)
25
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449 # check the prop is OK
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diff changeset
450 prop = self.properties[propname]
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diff changeset
451 if not prop.isLinkType and not prop.isMultilinkType:
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diff changeset
452 raise TypeError, "'%s' not a Link/Multilink property"%propname
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parents:
diff changeset
453 if not self.db.hasnode(prop.classname, nodeid):
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diff changeset
454 raise ValueError, '%s has no node %s'%(link_class, nodeid)
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parents:
diff changeset
455
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parents:
diff changeset
456 # ok, now do the find
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parents:
diff changeset
457 cldb = self.db.getclassdb(self.classname)
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parents:
diff changeset
458 l = []
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diff changeset
459 for id in self.db.getnodeids(self.classname, cldb):
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parents:
diff changeset
460 node = self.db.getnode(self.classname, id, cldb)
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parents:
diff changeset
461 if node.has_key(self.db.RETIRED_FLAG):
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parents:
diff changeset
462 continue
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diff changeset
463 for propname, nodeid in propspec:
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b6b30ba53986 Fixed some of the exceptions so they're the right type.
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diff changeset
464 # nodeid = str(nodeid)
25
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diff changeset
465 property = node[propname]
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parents:
diff changeset
466 if prop.isLinkType and nodeid == property:
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parents:
diff changeset
467 l.append(id)
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diff changeset
468 elif prop.isMultilinkType and nodeid in property:
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parents:
diff changeset
469 l.append(id)
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parents:
diff changeset
470 cldb.close()
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parents:
diff changeset
471 return l
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parents:
diff changeset
472
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parents:
diff changeset
473 def stringFind(self, **requirements):
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parents:
diff changeset
474 """Locate a particular node by matching a set of its String properties.
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parents:
diff changeset
475
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parents:
diff changeset
476 If the property is not a String property, a TypeError is raised.
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parents:
diff changeset
477
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diff changeset
478 The return is a list of the id of all nodes that match.
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parents:
diff changeset
479 """
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parents:
diff changeset
480 for propname in requirements.keys():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
481 prop = self.properties[propname]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
482 if not prop.isStringType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
483 raise TypeError, "'%s' not a String property"%propname
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
484 l = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
485 cldb = self.db.getclassdb(self.classname)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
486 for nodeid in self.db.getnodeids(self.classname, cldb):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
487 node = self.db.getnode(self.classname, nodeid, cldb)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
488 if node.has_key(self.db.RETIRED_FLAG):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
489 continue
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
490 for key, value in requirements.items():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
491 if node[key] != value:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
492 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
493 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
494 l.append(nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
495 cldb.close()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
496 return l
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
497
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
498 def list(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
499 """Return a list of the ids of the active nodes in this class."""
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
500 l = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
501 cn = self.classname
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
502 cldb = self.db.getclassdb(cn)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
503 for nodeid in self.db.getnodeids(cn, cldb):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
504 node = self.db.getnode(cn, nodeid, cldb)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
505 if node.has_key(self.db.RETIRED_FLAG):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
506 continue
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
507 l.append(nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
508 l.sort()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
509 cldb.close()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
510 return l
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
511
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
512 # XXX not in spec
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
513 def filter(self, filterspec, sort, group, num_re = re.compile('^\d+$')):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
514 ''' Return a list of the ids of the active nodes in this class that
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
515 match the 'filter' spec, sorted by the group spec and then the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
516 sort spec
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
517 '''
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
518 cn = self.classname
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
519
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
520 # optimise filterspec
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
521 l = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
522 props = self.getprops()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
523 for k, v in filterspec.items():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
524 propclass = props[k]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
525 if propclass.isLinkType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
526 if type(v) is not type([]):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
527 v = [v]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
528 # replace key values with node ids
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
529 u = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
530 link_class = self.db.classes[propclass.classname]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
531 for entry in v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
532 if not num_re.match(entry):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
533 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
534 entry = link_class.lookup(entry)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
535 except:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
536 raise ValueError, 'new property "%s": %s not a %s'%(
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
537 k, entry, self.properties[k].classname)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
538 u.append(entry)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
539
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
540 l.append((0, k, u))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
541 elif propclass.isMultilinkType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
542 if type(v) is not type([]):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
543 v = [v]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
544 # replace key values with node ids
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
545 u = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
546 link_class = self.db.classes[propclass.classname]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
547 for entry in v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
548 if not num_re.match(entry):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
549 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
550 entry = link_class.lookup(entry)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
551 except:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
552 raise ValueError, 'new property "%s": %s not a %s'%(
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
553 k, entry, self.properties[k].classname)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
554 u.append(entry)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
555 l.append((1, k, u))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
556 elif propclass.isStringType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
557 if '*' in v or '?' in v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
558 # simple glob searching
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
559 v = v.replace('?', '.')
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
560 v = v.replace('*', '.*?')
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
561 v = re.compile(v)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
562 l.append((2, k, v))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
563 elif v[0] == '^':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
564 # start-anchored
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
565 if v[-1] == '$':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
566 # _and_ end-anchored
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
567 l.append((6, k, v[1:-1]))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
568 l.append((3, k, v[1:]))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
569 elif v[-1] == '$':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
570 # end-anchored
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
571 l.append((4, k, v[:-1]))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
572 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
573 # substring
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
574 l.append((5, k, v))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
575 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
576 l.append((6, k, v))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
577 filterspec = l
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
578
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
579 # now, find all the nodes that are active and pass filtering
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
580 l = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
581 cldb = self.db.getclassdb(cn)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
582 for nodeid in self.db.getnodeids(cn, cldb):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
583 node = self.db.getnode(cn, nodeid, cldb)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
584 if node.has_key(self.db.RETIRED_FLAG):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
585 continue
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
586 # apply filter
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
587 for t, k, v in filterspec:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
588 if t == 0 and node[k] not in v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
589 # link - if this node'd property doesn't appear in the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
590 # filterspec's nodeid list, skip it
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
591 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
592 elif t == 1:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
593 # multilink - if any of the nodeids required by the
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
594 # filterspec aren't in this node's property, then skip
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
595 # it
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
596 for value in v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
597 if value not in node[k]:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
598 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
599 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
600 continue
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
601 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
602 elif t == 2 and not v.search(node[k]):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
603 # RE search
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
604 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
605 elif t == 3 and node[k][:len(v)] != v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
606 # start anchored
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
607 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
608 elif t == 4 and node[k][-len(v):] != v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
609 # end anchored
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
610 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
611 elif t == 5 and node[k].find(v) == -1:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
612 # substring search
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
613 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
614 elif t == 6 and node[k] != v:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
615 # straight value comparison for the other types
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
616 break
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
617 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
618 l.append((nodeid, node))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
619 l.sort()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
620 cldb.close()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
621
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
622 # optimise sort
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
623 m = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
624 for entry in sort:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
625 if entry[0] != '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
626 m.append(('+', entry))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
627 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
628 m.append((entry[0], entry[1:]))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
629 sort = m
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
630
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
631 # optimise group
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
632 m = []
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
633 for entry in group:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
634 if entry[0] != '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
635 m.append(('+', entry))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
636 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
637 m.append((entry[0], entry[1:]))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
638 group = m
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
639 # now, sort the result
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
640 def sortfun(a, b, sort=sort, group=group, properties=self.getprops(),
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
641 db = self.db, cl=self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
642 a_id, an = a
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
643 b_id, bn = b
86
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
644 # sort by group and then sort
25
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
645 for list in group, sort:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
646 for dir, prop in list:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
647 # handle the properties that might be "faked"
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
648 if not an.has_key(prop):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
649 an[prop] = cl.get(a_id, prop)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
650 av = an[prop]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
651 if not bn.has_key(prop):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
652 bn[prop] = cl.get(b_id, prop)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
653 bv = bn[prop]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
654
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
655 # sorting is class-specific
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
656 propclass = properties[prop]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
657
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
658 # String and Date values are sorted in the natural way
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
659 if propclass.isStringType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
660 # clean up the strings
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
661 if av and av[0] in string.uppercase:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
662 av = an[prop] = av.lower()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
663 if bv and bv[0] in string.uppercase:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
664 bv = bn[prop] = bv.lower()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
665 if propclass.isStringType or propclass.isDateType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
666 if dir == '+':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
667 r = cmp(av, bv)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
668 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
669 elif dir == '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
670 r = cmp(bv, av)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
671 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
672
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
673 # Link properties are sorted according to the value of
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
674 # the "order" property on the linked nodes if it is
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
675 # present; or otherwise on the key string of the linked
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
676 # nodes; or finally on the node ids.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
677 elif propclass.isLinkType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
678 link = db.classes[propclass.classname]
130
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
679 if av is None and bv is not None: return -1
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
680 if av is not None and bv is None: return 1
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
681 if av is None and bv is None: return 0
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
682 if link.getprops().has_key('order'):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
683 if dir == '+':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
684 r = cmp(link.get(av, 'order'),
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
685 link.get(bv, 'order'))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
686 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
687 elif dir == '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
688 r = cmp(link.get(bv, 'order'),
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
689 link.get(av, 'order'))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
690 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
691 elif link.getkey():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
692 key = link.getkey()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
693 if dir == '+':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
694 r = cmp(link.get(av, key), link.get(bv, key))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
695 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
696 elif dir == '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
697 r = cmp(link.get(bv, key), link.get(av, key))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
698 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
699 else:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
700 if dir == '+':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
701 r = cmp(av, bv)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
702 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
703 elif dir == '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
704 r = cmp(bv, av)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
705 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
706
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
707 # Multilink properties are sorted according to how many
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
708 # links are present.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
709 elif propclass.isMultilinkType:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
710 if dir == '+':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
711 r = cmp(len(av), len(bv))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
712 if r != 0: return r
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
713 elif dir == '-':
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
714 r = cmp(len(bv), len(av))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
715 if r != 0: return r
86
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
716 # end for dir, prop in list:
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
717 # end for list in sort, group:
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
718 # if all else fails, compare the ids
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
719 return cmp(a[0], b[0])
86
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
720
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
721 l.sort(sortfun)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
722 return [i[0] for i in l]
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
723
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
724 def count(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
725 """Get the number of nodes in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
726
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
727 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
728 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
729 id of the next node to be created in this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
730 """
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
731 return self.db.countnodes(self.classname)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
732
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
733 # Manipulating properties:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
734
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
735 def getprops(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
736 """Return a dictionary mapping property names to property objects."""
118
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
737 d = self.properties.copy()
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
738 d['id'] = String()
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
739 return d
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
740
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
741 def addprop(self, **properties):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
742 """Add properties to this class.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
743
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
744 The keyword arguments in 'properties' must map names to property
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
745 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
746 may collide with the names of existing properties, or a ValueError
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
747 is raised before any properties have been added.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
748 """
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
749 for key in properties.keys():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
750 if self.properties.has_key(key):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
751 raise ValueError, key
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
752 self.properties.update(properties)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
753
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
754
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
755 # XXX not in spec
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
756 class Node:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
757 ''' A convenience wrapper for the given node
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
758 '''
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
759 def __init__(self, cl, nodeid):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
760 self.__dict__['cl'] = cl
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
761 self.__dict__['nodeid'] = nodeid
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
762 def keys(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
763 return self.cl.getprops().keys()
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
764 def has_key(self, name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
765 return self.cl.getprops().has_key(name)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
766 def __getattr__(self, name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
767 if self.__dict__.has_key(name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
768 return self.__dict__['name']
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
769 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
770 return self.cl.get(self.nodeid, name)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
771 except KeyError, value:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
772 raise AttributeError, str(value)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
773 def __getitem__(self, name):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
774 return self.cl.get(self.nodeid, name)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
775 def __setattr__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
776 try:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
777 return self.cl.set(self.nodeid, **{name: value})
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
778 except KeyError, value:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
779 raise AttributeError, str(value)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
780 def __setitem__(self, name, value):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
781 self.cl.set(self.nodeid, **{name: value})
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
782 def history(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
783 return self.cl.history(self.nodeid)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
784 def retire(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
785 return self.cl.retire(self.nodeid)
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
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
788 def Choice(name, *options):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
789 cl = Class(db, name, name=hyperdb.String(), order=hyperdb.String())
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
790 for i in range(len(options)):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
791 cl.create(name=option[i], order=i)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
792 return hyperdb.Link(name)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
793
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
794 #
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
795 # $Log: not supported by cvs2svn $
156
9c5ddad06430 get() now has a default arg - for migration only.
Richard Jones <richard@users.sourceforge.net>
parents: 130
diff changeset
796 # Revision 1.9 2001/07/29 09:28:23 richard
9c5ddad06430 get() now has a default arg - for migration only.
Richard Jones <richard@users.sourceforge.net>
parents: 130
diff changeset
797 # Fixed sorting by clicking on column headings.
9c5ddad06430 get() now has a default arg - for migration only.
Richard Jones <richard@users.sourceforge.net>
parents: 130
diff changeset
798 #
130
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
799 # Revision 1.8 2001/07/29 08:27:40 richard
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
800 # Fixed handling of passed-in values in form elements (ie. during a
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
801 # drill-down)
204f99944de0 Fixed sorting by clicking on column headings.
Richard Jones <richard@users.sourceforge.net>
parents: 128
diff changeset
802 #
128
ce36f2962b94 Fixed handling of passed-in values in form elements (ie. during a drill-down)
Richard Jones <richard@users.sourceforge.net>
parents: 127
diff changeset
803 # Revision 1.7 2001/07/29 07:01:39 richard
ce36f2962b94 Fixed handling of passed-in values in form elements (ie. during a drill-down)
Richard Jones <richard@users.sourceforge.net>
parents: 127
diff changeset
804 # Added vim command to all source so that we don't get no steenkin' tabs :)
ce36f2962b94 Fixed handling of passed-in values in form elements (ie. during a drill-down)
Richard Jones <richard@users.sourceforge.net>
parents: 127
diff changeset
805 #
127
0791d13baea7 Added vim command to all source so that we don't get no steenkin' tabs :)
Richard Jones <richard@users.sourceforge.net>
parents: 123
diff changeset
806 # Revision 1.6 2001/07/29 05:36:14 richard
0791d13baea7 Added vim command to all source so that we don't get no steenkin' tabs :)
Richard Jones <richard@users.sourceforge.net>
parents: 123
diff changeset
807 # Cleanup of the link label generation.
0791d13baea7 Added vim command to all source so that we don't get no steenkin' tabs :)
Richard Jones <richard@users.sourceforge.net>
parents: 123
diff changeset
808 #
123
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
809 # Revision 1.5 2001/07/29 04:05:37 richard
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
810 # Added the fabricated property "id".
51cce9671db0 Cleanup of the link label generation.
Richard Jones <richard@users.sourceforge.net>
parents: 118
diff changeset
811 #
118
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
812 # Revision 1.4 2001/07/27 06:25:35 richard
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
813 # Fixed some of the exceptions so they're the right type.
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
814 # Removed the str()-ification of node ids so we don't mask oopsy errors any
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
815 # more.
a55c1301ba1f Added the fabricated property "id".
Richard Jones <richard@users.sourceforge.net>
parents: 89
diff changeset
816 #
89
b6b30ba53986 Fixed some of the exceptions so they're the right type.
Richard Jones <richard@users.sourceforge.net>
parents: 86
diff changeset
817 # Revision 1.3 2001/07/27 05:17:14 richard
b6b30ba53986 Fixed some of the exceptions so they're the right type.
Richard Jones <richard@users.sourceforge.net>
parents: 86
diff changeset
818 # just some comments
b6b30ba53986 Fixed some of the exceptions so they're the right type.
Richard Jones <richard@users.sourceforge.net>
parents: 86
diff changeset
819 #
86
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
820 # Revision 1.2 2001/07/22 12:09:32 richard
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
821 # Final commit of Grande Splite
b89712288636 just some comments
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
822 #
26
c7c14960f413 Final commit of Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents: 25
diff changeset
823 # Revision 1.1 2001/07/22 11:58:35 richard
c7c14960f413 Final commit of Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents: 25
diff changeset
824 # More Grande Splite
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
825 #
127
0791d13baea7 Added vim command to all source so that we don't get no steenkin' tabs :)
Richard Jones <richard@users.sourceforge.net>
parents: 123
diff changeset
826 #
0791d13baea7 Added vim command to all source so that we don't get no steenkin' tabs :)
Richard Jones <richard@users.sourceforge.net>
parents: 123
diff changeset
827 # vim: set filetype=python ts=4 sw=4 et si
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