annotate orpg/mapper/base_msg.py @ 215:50af54dbd6a6 alpha

Traipse Alpha 'OpenRPG' {100430-0} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary (Patch-2) Moved to Beta!! New Features: New Namespace method with two new syntaxes New Namespace Internal is context sensitive, always! New Namespace External is 'as narrow as you make it' New Namespace FutureCheck helps ensure you don't receive an incorrect node New PluginDB access for URL2Link plugin New to Forms, they now show their content in Design Mode New to Update Manager, checks Repo for updates on software start New to Mini Lin node, change title in design mode Fixes: Fix to Server GUI startup errors Fix to Server GUI Rooms tab updating Fix to Chat and Settings if non existant die roller is picked Fix to Dieroller and .open() used with .vs(). Successes are correctly calculated Fix to Alias Lib's Export to Tree, Open, Save features Fix to alias node, now works properly Fix to Splitter node, minor GUI cleanup Fix to Backgrounds not loading through remote loader Fix to Node name errors Fix to rolling dice in chat Whispers Fix to Splitters Sizing issues Fix to URL2Link plugin, modified regex compilation should remove memory leak Fix to mapy.py, a roll back due to zoomed grid issues Fix to whiteboard_handler, Circles work by you clicking the center of the circle Fix to Servers parse_incoming_dom which was outdated and did not respect XML Fix to a broken link in the server welcome message Fix to InterParse and logger requiring traceback Fix to Update Manager Status Bar Fix to failed image and erroneous pop up Fix to Mini Lib node that was preventing use Fix to plugins that parce dice but did not call InterParse Fix to nodes for name changing by double click Fix to Game Tree, node ordering on drag and drop corrected
author sirebral
date Fri, 30 Apr 2010 05:36:11 -0500
parents b633f4c64aae
children 24769389a7ba
rev   line source
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1 # Copyright (C) 2000-2001 The OpenRPG Project
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2 #
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3 # openrpg-dev@lists.sourceforge.net
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4 #
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5 # This program is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 2 of the License, or
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8 # (at your option) any later version.
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9 #
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with this program; if not, write to the Free Software
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17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 # --
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19 #
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20 # File: mapper/base_msg.py
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21 # Author: Chris Davis
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22 # Maintainer:
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23 # Version:
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24 # $Id: base_msg.py,v Traipse 'Ornery-Orc' prof.ebral Exp $
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25 #
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26 # Description:
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27 #
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28 __version__ = "$Id: base_msg.py,v Traipse 'Ornery-Orc' prof.ebral Exp $"
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29
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30 from threading import RLock
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31 from orpg.networking.mplay_client import *
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32 from xml.etree.ElementTree import ElementTree, Element
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33
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34 class map_element_msg_base:
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35 # This is a base class
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36
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37 def __init__(self,reentrant_lock_object = None):
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38
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39 if not hasattr(self,"tagname"):
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40 raise Exception, "This is a virtual class that cannot be directly instantiated. Set self.tagname in derived class."
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41 self._props = {}
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42 # This is a dictionary that holds (value,changed) 2-tuples, indexed by attribute
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43 # Avoid manipulating these values directly. Instead, use the provided accessor methods.
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44 # If there is not one that suits your needs, please add one to this class and
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45 # use it instead.
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46
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47 self.children = {}
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48 # This next clause will set self.p_lock to a passed-in RLock object, if present.
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49 # Otherwise, it will create it's very own for this instance.
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50 # Using a passed in object is useful to protect an entire <map/> element from
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51 # being changed by another thread when any part of it is being change by another
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52 # thread. Just pass the map_msg's p_lock object in to it's descendents.
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53 if reentrant_lock_object: self.p_lock = reentrant_lock_object
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54 else: self.p_lock = RLock()
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55
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56 def clear(self):
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57 self.p_lock.acquire()
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58
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59 for child in self.children.keys():
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60 self.children[child].clear()
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61 self.children[child] = None
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62 del self.children[child]
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63
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64 for p in self._props.keys(): self._props[p] = None
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65
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66 self.p_lock.release()
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67
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68 #########################################
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69 # Accessor functions begin
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70
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71 # Access single property
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72
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73 def init_prop(self,prop,value): # set's the changed flag to False and assigns
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74 self.p_lock.acquire()
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75 self._props[prop] = (value, 0)
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76 self.p_lock.release()
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77
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78 def set_prop(self,prop,value): # set's the changed flag to True and assigns
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79 self.p_lock.acquire()
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80 self._props[prop] = (value, 1)
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81 self.p_lock.release()
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82
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83 def get_prop(self,prop): # returns None if prop not found
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84 self.p_lock.acquire()
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85 if prop in self._props.keys():
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86 (p,c) = self._props[prop]
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87 self.p_lock.release()
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88 return p
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89 else: self.p_lock.release(); return None
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90
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91 def is_prop_changed(self,prop): # returns None if prop not found
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92 self.p_lock_acquire()
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93 if prop in self._props.keys():
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94 (p,c) = self._props[prop]
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95 self.p_lock.release()
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96 return c
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97 else: self.p_lock.release(); return None
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98
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99 def get_child(self,key): # returns None if key not found in children list
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100 self.p_lock_acquire()
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101 if self.children.has_key(key):
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102 self.p_lock.release()
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103 return self.children[key]
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104 else:
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105 self.p_lock.release()
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106 return None
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107
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108 # Access multiple properties
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109 def init_props(self,props): # same as init_prop(), but takes dictionary of props
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110 self.p_lock.acquire()
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111 for k in props.keys(): self._props[k] = (props[k],0)
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112 self.p_lock.release()
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113
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114 def set_props(self,props): # same as set_prop(), but takes dictionary of props
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115 self.p_lock.acquire()
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116 for k in props.keys(): self._props[k] = (props[k],1)
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117 self.p_lock.release()
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118
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119 def get_all_props(self): # returns dictionary of all properties, regardless of change
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120 self.p_lock.acquire()
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121 result = {}
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122 for k in self._props.keys():
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123 (p,c) = self._props[k]
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124 result[k] = p
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125 self.p_lock.release()
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126 return result
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127
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128 def get_changed_props(self): # returns dictionary of all properties that have been changed
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129 self.p_lock.acquire()
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130 result = {}
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131 for k in self._props.keys():
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132 (p,c) = self._props[k]
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133 if c: result[k] = p
0
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134 self.p_lock.release()
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135 return result
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136
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137 def get_children(self): # returns dictionary of children
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138 return self.children
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139
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140 # Accessor functions end
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141 #########################################
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142
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143 #########################################
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144 # XML emitters begin
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145 def get_all_xml(self,action="new",output_action = 0): # outputs a tag with all attributes it contains
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146 self.p_lock.acquire()
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147 xml_str = "<" + self.tagname
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148 if action and output_action: xml_str += " action='" + action + "'"
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149 for k in self._props.keys():
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150 (p,c) = self._props[k]
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151 if k != "action" or not action: xml_str += " " + k + "='" + p + "'"
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152 if self.children:
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153 xml_str += ">"
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154 for child in self.children.keys(): xml_str += self.children[child].get_all_xml(action)
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155 xml_str += "</" + self.tagname + ">"
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156 else: xml_str += "/>"
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157 self.p_lock.release()
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158 return xml_str
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159
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160 def get_changed_xml(self,action="update",output_action = 0): # outputs a tag with all changed attributes
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161 self.p_lock.acquire()
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162 xml_str = "<" + self.tagname
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163 if action and output_action:
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164 xml_str += " action='" + action + "'"
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165
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166 # if present, always send the id, even if it didn't change
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167 if self._props.has_key("id"):
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168 (p,c) = self._props["id"]
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169 xml_str += " id='" + p + "'"
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170 for k in self._props.keys():
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171 (p,c) = self._props[k]
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172 if (k != "id" or k != "action") and c == 1: xml_str += " " + k + "='" + p + "'"
0
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173 if self.children:
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174 xml_str += ">"
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175 for child in self.children.keys(): xml_str += self.children[child].get_changed_xml(action)
0
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176 xml_str += "</" + self.tagname + ">"
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177 else: xml_str += "/>"
0
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178 self.p_lock.release()
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179 return xml_str
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180
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181 # convenience method to use if only this tag is modified
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182 # outputs a <map/> element containing only the changes to this tag
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183 def standalone_update_text(self,update_id_string):
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184 buffer = "<map id='" + update_id_string + "'>"
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185 buffer += self.get_changed_xml("update")
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186 buffer += "<map/>"
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187 return buffer
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188
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189 # XML emitters end
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190 #########################################
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191
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192 #########################################
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193 # XML importers begin
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194
139
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195 def _from_dom(self,xml_dom,prop_func):
0
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196 self.p_lock.acquire()
139
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197 if iselement(xml_dom): ## Uses new Element Tree style
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198 if xml_dom.tag == self.tagname:
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199 if xml_dom.attrib:
151
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200 for k in xml_dom.attrib: prop_func(k,xml_dom.get(k))
139
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201 elif not iselement(xml_dom): ## Uses old DOM style (deprecated!!)
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202 if xml_dom.tagName == self.tagname:
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203 if xml_dom.getAttributeKeys():
151
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204 for k in xml_dom.getAttributeKeys(): prop_func(k,xml_dom.getAttribute(k))
0
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205 else:
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206 self.p_lock.release()
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207 raise Exception, "Error attempting to modify a " + self.tagname + " from a non-<" + self.tagname + "/> element"
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208 self.p_lock.release()
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209
139
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210 def init_from_dom(self,xml_dom):
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211 # xml_dom must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags.
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212 self._from_dom(xml_dom,self.init_prop)
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213
139
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214 def set_from_dom(self,xml_dom):
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215 # xml_dom must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags
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216 self._from_dom(xml_dom,self.set_prop)
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217
139
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218 def init_from_xml(self,xml):
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219 xml_dom = parseXml(xml)
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220 node_list = xml_dom.getElementsByTagName(self.tagname)
122
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221 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
0
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222 else:
139
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223 while len(node_list): self.init_from_dom(node_list.pop())
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224 if xml_dom: xml_dom.unlink()
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225
139
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226 def set_from_xml(self,xml):
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227 xml_dom = parseXml(xml)
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228 node_list = xml_dom.getElementsByTagName(self.tagname)
122
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diff changeset
229 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
0
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230 else:
122
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diff changeset
231 while len(node_list): self.set_from_dom(node_list.pop())
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diff changeset
232 if xml_dom: xml_dom.unlink()
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233
0
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234 # XML importers end
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235 #########################################