annotate orpg/mapper/base_msg.py @ 140:e842a5f1b775 beta

Traipse Beta 'OpenRPG' {091123-00} 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 Gametree Recursion method, mapping, and context sensitivity. !Infinite Loops return error instead of freezing the software! New Syntax added for custom PC sheets Tip of the Day added, from Core and community Fixed Whiteboard ID to prevent random line or text deleting. Modified ID's to prevent non updated clients from ruining the fix.
author sirebral
date Mon, 23 Nov 2009 03:36:26 -0600
parents dcf4fbe09b70
children 6081bdc2b8d5
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 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
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42 self._props = {}
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43 # This is a dictionary that holds (value,changed) 2-tuples, indexed by attribute
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44 # Avoid manipulating these values directly. Instead, use the provided accessor methods.
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45 # If there is not one that suits your needs, please add one to this class and
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46 # use it instead.
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47
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48 self.children = {}
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49 # This next clause will set self.p_lock to a passed-in RLock object, if present.
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50 # Otherwise, it will create it's very own for this instance.
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51 # Using a passed in object is useful to protect an entire <map/> element from
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52 # being changed by another thread when any part of it is being change by another
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53 # thread. Just pass the map_msg's p_lock object in to it's descendents.
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54 if reentrant_lock_object: self.p_lock = reentrant_lock_object
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55 else: self.p_lock = RLock()
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56
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57 def clear(self):
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58 self.p_lock.acquire()
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59
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60 for child in self.children.keys():
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61 self.children[child].clear()
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62 self.children[child] = None
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63 del self.children[child]
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64
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65 for p in self._props.keys(): self._props[p] = None
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66
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67 self.p_lock.release()
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68
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69 #########################################
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70 # Accessor functions begin
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71
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72 # Access single property
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73
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74 def init_prop(self,prop,value): # set's the changed flag to False and assigns
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75 self.p_lock.acquire()
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76 self._props[prop] = (value, 0)
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77 self.p_lock.release()
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78
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79 def set_prop(self,prop,value): # set's the changed flag to True and assigns
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80 self.p_lock.acquire()
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81 self._props[prop] = (value, 1)
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82 self.p_lock.release()
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83
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84 def get_prop(self,prop): # returns None if prop not found
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85 self.p_lock.acquire()
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86 if prop in self._props.keys():
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87 (p,c) = self._props[prop]
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88 self.p_lock.release()
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89 return p
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90 else: self.p_lock.release(); return None
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91
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92 def is_prop_changed(self,prop): # returns None if prop not found
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93 self.p_lock_acquire()
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94 if prop in self._props.keys():
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95 (p,c) = self._props[prop]
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96 self.p_lock.release()
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97 return c
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98 else: self.p_lock.release(); return None
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99
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100 def get_child(self,key): # returns None if key not found in children list
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101 self.p_lock_acquire()
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102 if self.children.has_key(key):
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103 self.p_lock.release()
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104 return self.children[key]
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105 else:
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106 self.p_lock.release()
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107 return None
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108
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109 # Access multiple properties
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110
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111 def init_props(self,props): # same as init_prop(), but takes dictionary of props
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112 self.p_lock.acquire()
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113 for k in props.keys(): self._props[k] = (props[k],0)
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114 self.p_lock.release()
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115
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116 def set_props(self,props): # same as set_prop(), but takes dictionary of props
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117 self.p_lock.acquire()
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118 for k in props.keys(): self._props[k] = (props[k],1)
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119 self.p_lock.release()
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120
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121 def get_all_props(self): # returns dictionary of all properties, regardless of change
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122 self.p_lock.acquire()
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123
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124 result = {}
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125 for k in self._props.keys():
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126 (p,c) = self._props[k]
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127 result[k] = p
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128
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129 self.p_lock.release()
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130 return result
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131
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132 def get_changed_props(self): # returns dictionary of all properties that have been changed
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133 self.p_lock.acquire()
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134 result = {}
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135 for k in self._props.keys():
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136 (p,c) = self._props[k]
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137 if c: result[k] = p
0
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138 self.p_lock.release()
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139 return result
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140
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141 def get_children(self): # returns dictionary of children
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142 return self.children
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143
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144 # Accessor functions end
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145 #########################################
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146
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147 #########################################
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148 # XML emitters begin
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149 def get_all_xml(self,action="new",output_action = 0): # outputs a tag with all attributes it contains
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150 self.p_lock.acquire()
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151 xml_str = "<" + self.tagname
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152 if action and output_action: xml_str += " action='" + action + "'"
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153 for k in self._props.keys():
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154 (p,c) = self._props[k]
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155 if k != "action" or not action: xml_str += " " + k + "='" + p + "'"
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156 if self.children:
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157 xml_str += ">"
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158 for child in self.children.keys(): xml_str += self.children[child].get_all_xml(action)
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159 xml_str += "</" + self.tagname + ">"
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160 else: xml_str += "/>"
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161 self.p_lock.release()
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162 return xml_str
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163
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164 def get_changed_xml(self,action="update",output_action = 0): # outputs a tag with all changed attributes
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165 self.p_lock.acquire()
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166 xml_str = "<" + self.tagname
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167 if action and output_action:
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168 xml_str += " action='" + action + "'"
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169
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170 # if present, always send the id, even if it didn't change
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171 if self._props.has_key("id"):
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172 (p,c) = self._props["id"]
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173 xml_str += " id='" + p + "'"
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174 for k in self._props.keys():
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175 (p,c) = self._props[k]
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176 if (k != "id" or k != "action") and c == 1: xml_str += " " + k + "='" + p + "'"
0
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177 if self.children:
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178 xml_str += ">"
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179 for child in self.children.keys(): xml_str += self.children[child].get_changed_xml(action)
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180 xml_str += "</" + self.tagname + ">"
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181 else: xml_str += "/>"
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182 self.p_lock.release()
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183 return xml_str
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184
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185 # convenience method to use if only this tag is modified
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186 # outputs a <map/> element containing only the changes to this tag
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187 def standalone_update_text(self,update_id_string):
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188 buffer = "<map id='" + update_id_string + "'>"
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189 buffer += self.get_changed_xml("update")
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190 buffer += "<map/>"
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191 return buffer
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192
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193 # XML emitters end
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194 #########################################
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195
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196 #########################################
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197 # XML importers begin
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198
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199 def _from_dom(self,xml_dom,prop_func):
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200 self.p_lock.acquire()
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201 if iselement(xml_dom): ## Uses new Element Tree style
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202 if xml_dom.tag == self.tagname:
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203 if xml_dom.attrib:
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204 for k in xml_dom.attrib:
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205 prop_func(k,xml_dom.get(k))
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206 elif not iselement(xml_dom): ## Uses old DOM style (deprecated!!)
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207 if xml_dom.tagName == self.tagname:
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208 if xml_dom.getAttributeKeys():
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209 for k in xml_dom.getAttributeKeys():
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210 prop_func(k,xml_dom.getAttribute(k))
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211 else:
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212 self.p_lock.release()
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213 raise Exception, "Error attempting to modify a " + self.tagname + " from a non-<" + self.tagname + "/> element"
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214 self.p_lock.release()
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215
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216 def init_from_dom(self,xml_dom):
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217 # xml_dom must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags.
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218 self._from_dom(xml_dom,self.init_prop)
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219
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220 def set_from_dom(self,xml_dom):
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221 # xml_dom must be pointing to an empty tag. Override in a derived class for <map/> and other similar tags
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222 self._from_dom(xml_dom,self.set_prop)
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223
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224 def init_from_xml(self,xml):
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225 xml_dom = parseXml(xml)
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226 node_list = xml_dom.getElementsByTagName(self.tagname)
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227 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
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228 else:
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229 while len(node_list): self.init_from_dom(node_list.pop())
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230 if xml_dom: xml_dom.unlink()
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231
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232 def set_from_xml(self,xml):
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233 xml_dom = parseXml(xml)
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234 node_list = xml_dom.getElementsByTagName(self.tagname)
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235 if len(node_list) < 1: print "Warning: no <" + self.tagname + "/> elements found in DOM."
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236 else:
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237 while len(node_list): self.set_from_dom(node_list.pop())
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238 if xml_dom: xml_dom.unlink()
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239
0
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240 # XML importers end
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241 #########################################