annotate orpg/mapper/base_msg.py @ 135:dcf4fbe09b70 beta

Traipse Beta 'OpenRPG' {091010-00} 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 (Beta) Added Bookmarks Fix to Remote Admin Commands Minor fix to text based Server Fix to Pretty Print, from Core Fix to Splitter Nodes not being created Fix to massive amounts of images loading, from Core Added 'boot' command to remote admin Added confirmation window for sent nodes Minor changes to allow for portability to an OpenSUSE linux OS Miniatures Layer pop up box allows users to turn off Mini labels, from FlexiRPG Zoom Mouse plugin added Images added to Plugin UI Switching to Element Tree Map efficiency, from FlexiRPG Added Status Bar to Update Manager default_manifest.xml renamed to default_upmana.xml Cleaner clode for saved repositories New TrueDebug Class in orpg_log (See documentation for usage) Mercurial's hgweb folder is ported to upmana **Pretty important update that can help remove thousands of dead children from your gametree. **Children, <forms />, <group_atts />, <horizontal />, <cols />, <rows />, <height />, etc... are all tags now. Check your gametree and look for dead children!! **New Gamtree Recusion method, mapping, and context sensitivity. !!Alpha - Watch out for infinite loops!!
author sirebral
date Tue, 10 Nov 2009 14:11:28 -0600
parents 072ffc1d466f
children e842a5f1b775
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 1.9 2007/03/09 14:11:55 digitalxero 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 1.9 2007/03/09 14:11:55 digitalxero 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
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33 from xml.etree.ElementTree import XML, fromstring, parse
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34
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35 class map_element_msg_base:
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36 # This is a base class
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37
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38 def __init__(self,reentrant_lock_object = None):
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39
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40 if not self.tagname:
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41 raise Exception, "This is a virtual class that cannot be directly instantiated. Set self.tagname in derived class."; exit()
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42
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43 self._props = {}
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44 # This is a dictionary that holds (value,changed) 2-tuples, indexed by attribute
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45 # Avoid manipulating these values directly. Instead, use the provided accessor methods.
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46 # If there is not one that suits your needs, please add one to this class and
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47 # use it instead.
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48
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49 self.children = {}
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50 # This next clause will set self.p_lock to a passed-in RLock object, if present.
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51 # Otherwise, it will create it's very own for this instance.
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52 # Using a passed in object is useful to protect an entire <map/> element from
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53 # being changed by another thread when any part of it is being change by another
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54 # thread. Just pass the map_msg's p_lock object in to it's descendents.
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55 if reentrant_lock_object: self.p_lock = reentrant_lock_object
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56 else: self.p_lock = RLock()
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57
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58 def clear(self):
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59 self.p_lock.acquire()
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60
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61 for child in self.children.keys():
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62 self.children[child].clear()
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63 self.children[child] = None
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64 del self.children[child]
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65
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66 for p in self._props.keys(): self._props[p] = None
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67
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68 self.p_lock.release()
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69
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70 #########################################
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71 # Accessor functions begin
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72
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73 # Access single property
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74
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75 def init_prop(self,prop,value): # set's the changed flag to False and assigns
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76 self.p_lock.acquire()
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77 self._props[prop] = (value, 0)
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78 self.p_lock.release()
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79
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80 def set_prop(self,prop,value): # set's the changed flag to True and assigns
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81 self.p_lock.acquire()
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82 self._props[prop] = (value, 1)
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83 self.p_lock.release()
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84
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85 def get_prop(self,prop): # returns None if prop not found
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86 self.p_lock.acquire()
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87 if prop in self._props.keys():
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88 (p,c) = self._props[prop]
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89 self.p_lock.release()
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90 return p
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91 else: self.p_lock.release(); return None
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92
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93 def is_prop_changed(self,prop): # returns None if prop not found
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94 self.p_lock_acquire()
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95 if prop in self._props.keys():
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96 (p,c) = self._props[prop]
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97 self.p_lock.release()
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98 return c
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99 else: self.p_lock.release(); return None
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100
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101 def get_child(self,key): # returns None if key not found in children list
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102 self.p_lock_acquire()
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103 if self.children.has_key(key):
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104 self.p_lock.release()
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105 return self.children[key]
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106 else:
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107 self.p_lock.release()
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108 return None
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109
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110 # Access multiple properties
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111
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112 def init_props(self,props): # same as init_prop(), but takes dictionary of props
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113 self.p_lock.acquire()
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114 for k in props.keys(): self._props[k] = (props[k],0)
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115 self.p_lock.release()
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116
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117 def set_props(self,props): # same as set_prop(), but takes dictionary of props
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118 self.p_lock.acquire()
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119 for k in props.keys(): self._props[k] = (props[k],1)
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120 self.p_lock.release()
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121
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122 def get_all_props(self): # returns dictionary of all properties, regardless of change
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123 self.p_lock.acquire()
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124
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125 result = {}
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126 for k in self._props.keys():
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127 (p,c) = self._props[k]
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128 result[k] = p
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129
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130 self.p_lock.release()
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131 return result
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132
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133 def get_changed_props(self): # returns dictionary of all properties that have been changed
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134 self.p_lock.acquire()
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135 result = {}
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136 for k in self._props.keys():
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137 (p,c) = self._props[k]
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138 if c: result[k] = p
0
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139 self.p_lock.release()
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140 return result
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141
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142 def get_children(self): # returns dictionary of children
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143 return self.children
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144
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145 # Accessor functions end
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146 #########################################
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147
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148 #########################################
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149 # XML emitters begin
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150 def get_all_xml(self,action="new",output_action = 0): # outputs a tag with all attributes it contains
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151 self.p_lock.acquire()
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152 xml_str = "<" + self.tagname
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153 if action and output_action: xml_str += " action='" + action + "'"
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154 for k in self._props.keys():
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155 (p,c) = self._props[k]
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156 if k != "action" or not action: xml_str += " " + k + "='" + p + "'"
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157 if self.children:
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158 xml_str += ">"
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159 for child in self.children.keys(): xml_str += self.children[child].get_all_xml(action)
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160 xml_str += "</" + self.tagname + ">"
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161 else: xml_str += "/>"
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162 self.p_lock.release()
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163 return xml_str
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164
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165 def get_changed_xml(self,action="update",output_action = 0): # outputs a tag with all changed attributes
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166 self.p_lock.acquire()
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167 xml_str = "<" + self.tagname
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168 if action and output_action:
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169 xml_str += " action='" + action + "'"
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170
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171 # if present, always send the id, even if it didn't change
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172 if self._props.has_key("id"):
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173 (p,c) = self._props["id"]
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174 xml_str += " id='" + p + "'"
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175 for k in self._props.keys():
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176 (p,c) = self._props[k]
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177 if (k != "id" or k != "action") and c == 1: xml_str += " " + k + "='" + p + "'"
0
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178 if self.children:
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179 xml_str += ">"
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180 for child in self.children.keys(): xml_str += self.children[child].get_changed_xml(action)
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181 xml_str += "</" + self.tagname + ">"
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182 else: xml_str += "/>"
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183 self.p_lock.release()
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184 return xml_str
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185
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186 # convenience method to use if only this tag is modified
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187 # outputs a <map/> element containing only the changes to this tag
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188 def standalone_update_text(self,update_id_string):
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189 buffer = "<map id='" + update_id_string + "'>"
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190 buffer += self.get_changed_xml("update")
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191 buffer += "<map/>"
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192 return buffer
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193
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194 # XML emitters end
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195 #########################################
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196
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197 #########################################
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198 # XML importers begin
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199
135
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200 def _from_dom(self,xml,prop_func):
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201 self.p_lock.acquire()
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202 if xml.tag == self.tagname:
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203 if xml.keys():
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204 for k in xml.keys():
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205 prop_func(k, xml.get(k))
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206 else:
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207 self.p_lock.release()
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208 raise Exception, "Error attempting to modify a " + self.tagname + " from a non-<" + self.tagname + "/> element"
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209 self.p_lock.release()
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210
135
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211 def init_from_dom(self, xml):
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212 # xml must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags.
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213 self._from_dom(xml,self.init_prop)
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214
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215 def set_from_dom(self, xml):
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216 # xml must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags
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217 self._from_dom(xml, self.set_prop)
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218
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219 def init_from_xml(self, tree):
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220 #tree = XML(xmlString)
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221 node_list = tree.findall(self.tagname)
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222 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
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223 else:
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224 while len(node_list):
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225 self.init_from_dom(node_list.pop())
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226
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227 def set_from_xml(self, tree):
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228 #tree = XML(xmlString)
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229 node_list = tree.findall(self.tagname)
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230 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
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231 else:
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232 while len(node_list): self.set_from_dom(node_list.pop())
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233 # XML importers end
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234 #########################################