Mercurial > traipse_dev
annotate orpg/minidom.py @ 204:ff36cdfcf515 alpha
Traipse Alpha 'OpenRPG' {100427-05}
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)
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
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Fix to Servers parse_incoming_dom which was outdated and did not respect XML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
Daily: I was having problems with Chat tabs. All fixed now.
Daily: Chat tabs an a small urgency with the Server, plus I kept working.
Daily: Cuz I messed up just a little.
author | sirebral |
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date | Tue, 27 Apr 2010 22:53:48 -0500 |
parents | 551cd440acce |
children |
rev | line source |
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0
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1 """\ |
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2 minidom.py -- a lightweight DOM implementation based on SAX. |
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3 |
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4 parse( "foo.xml" ) |
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5 |
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6 parseString( "<foo><bar/></foo>" ) |
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7 |
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8 Todo: |
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9 ===== |
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10 * convenience methods for getting elements and text. |
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11 * more testing |
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12 * bring some of the writer and linearizer code into conformance with this |
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13 interface |
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14 * SAX 2 namespaces |
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15 """ |
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16 |
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17 from orpg import pulldom |
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18 import string |
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19 from StringIO import StringIO |
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20 import types |
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21 |
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22 class Node: |
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23 ELEMENT_NODE = 1 |
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24 ATTRIBUTE_NODE = 2 |
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25 TEXT_NODE = 3 |
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26 CDATA_SECTION_NODE = 4 |
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27 ENTITY_REFERENCE_NODE = 5 |
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28 ENTITY_NODE = 6 |
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29 PROCESSING_INSTRUCTION_NODE = 7 |
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30 COMMENT_NODE = 8 |
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31 DOCUMENT_NODE = 9 |
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32 DOCUMENT_TYPE_NODE = 10 |
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33 DOCUMENT_FRAGMENT_NODE = 11 |
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34 NOTATION_NODE = 12 |
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35 allnodes = {} |
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36 _debug = 0 |
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37 _makeParentNodes = 1 |
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38 debug = None |
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39 |
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40 def __init__(self): |
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41 self.childNodes = [] |
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42 self.ownerDocument = None |
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43 if Node._debug: |
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44 index = repr(id(self)) + repr(self.__class__) |
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45 Node.allnodes[index] = repr(self.__dict__) |
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46 if Node.debug is None: Node.debug = StringIO() |
0
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47 #open( "debug4.out", "w" ) |
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48 Node.debug.write("create %s\n" % index) |
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49 |
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50 def __getattr__(self, key): |
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51 if key[0:2] == "__": raise AttributeError |
0
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52 # getattr should never call getattr! |
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53 if self.__dict__.has_key("inGetAttr"): |
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54 del self.inGetAttr |
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55 raise AttributeError, key |
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56 prefix, attrname = key[:5], key[5:] |
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57 if prefix == "_get_": |
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58 self.inGetAttr = 1 |
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59 if hasattr(self, attrname): |
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60 del self.inGetAttr |
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61 return (lambda self=self, attrname=attrname: |
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62 getattr(self, attrname)) |
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63 else: |
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64 del self.inGetAttr |
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65 raise AttributeError, key |
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66 else: |
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67 self.inGetAttr = 1 |
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68 try: func = getattr(self, "_get_" + key) |
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69 except AttributeError: raise AttributeError, key |
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70 del self.inGetAttr |
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71 return func() |
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72 |
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73 def __nonzero__(self): |
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74 return 1 |
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75 |
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76 def toxml(self,pretty=0): |
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77 writer = StringIO() |
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78 self.writexml(writer,pretty) |
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79 return str(writer.getvalue()) |
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80 |
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81 def hasChildNodes(self): |
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82 if self.childNodes: return 1 |
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83 else: return 0 |
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84 |
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85 def getChildren(self): |
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86 return self.childNodes |
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87 |
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88 def _get_firstChild(self): |
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89 if self.hasChildNodes(): return self.childNodes[0] |
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90 else: return None |
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91 |
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92 def _get_lastChild(self): |
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93 return self.childNodes[-1] |
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94 |
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95 def insertBefore(self, newChild, refChild): |
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96 if refChild == None: return self.appendChild(newChild) |
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97 index = self.childNodes.index(refChild) |
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98 self.childNodes.insert(index, newChild) |
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99 if self._makeParentNodes: |
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100 newChild.parentNode = self |
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101 newChild.ownerDocument = self.ownerDocument |
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102 return newChild |
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103 |
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104 def appendChild(self, node): |
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105 if self.childNodes: |
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106 last = self.lastChild |
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107 node.previousSibling = last |
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108 last.nextSibling = node |
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109 else: node.previousSibling = None |
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110 node.nextSibling = None |
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111 node.ownerDocument = self.ownerDocument |
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112 node.parentNode = self |
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113 self.childNodes.append(node) |
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114 return node |
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115 |
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116 def replaceChild(self, newChild, oldChild): |
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117 index = self.childNodes.index(oldChild) |
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118 self.childNodes[index] = newChild |
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119 newChild.ownerDocument = self.ownerDocument |
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120 return oldChild |
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121 |
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122 def removeChild(self, oldChild): |
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123 index = self.childNodes.index(oldChild) |
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124 del self.childNodes[index] |
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125 return oldChild |
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126 |
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127 def cloneNode(self, deep=0): |
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128 newNode = Node() |
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129 if deep: self.deep_clone(newNode) |
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130 return newNode |
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131 |
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132 def deep_clone(self, newNode): |
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133 for child in self.childNodes: |
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134 new_child = child.cloneNode(1) |
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135 newNode.appendChild(new_child) |
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136 |
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137 def normalize(self): |
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138 """Join adjacent Text nodes and delete empty Text nodes |
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139 in the full depth of the sub-tree underneath this Node. |
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140 """ |
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141 i = 0 |
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142 while i < len(self.childNodes): |
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143 cn = self.childNodes[i] |
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144 if cn.nodeType == Node.TEXT_NODE: |
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145 i = i + 1 |
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146 # join adjacent Text nodes |
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147 while i < len(self.childNodes) and self.childNodes[i].nodeType == Node.TEXT_NODE: |
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148 cn.nodeValue = cn.data = cn.data + self.childNodes[i].data |
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149 del self.childNodes[i] |
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150 # delete empty nodes |
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151 if cn.nodeValue.strip() == "": |
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152 i = i - 1 |
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153 del self.childNodes[i] |
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154 continue |
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155 elif cn.nodeType == Node.ELEMENT_NODE: cn.normalize() |
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156 i = i + 1 |
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157 |
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158 def unlink(self): |
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159 self.parentNode = None |
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160 while self.childNodes: |
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161 self.childNodes[-1].unlink() |
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162 del self.childNodes[-1] # probably not most efficient! |
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163 self.childNodes = None |
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164 self.previousSibling = None |
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165 self.nextSibling = None |
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166 if self.attributes: |
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167 for attr in self._attrs.values(): self.removeAttributeNode(attr) |
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168 assert not len(self._attrs) |
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169 assert not len(self._attrsNS) |
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170 if Node._debug: |
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171 index = repr(id(self)) + repr(self.__class__) |
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172 self.debug.write("Deleting: %s\n" % index) |
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173 del Node.allnodes[index] |
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174 |
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175 def _write_data(writer, data): |
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176 "Writes datachars to writer." |
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177 data = string.replace(data, "&", "&") |
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178 data = string.replace(data, "<", "<") |
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179 data = string.replace(data, "\"", """) |
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180 data = string.replace(data, ">", ">") |
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181 writer.write(data) |
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182 |
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183 def _getElementsByTagNameHelper(parent, name, rc): |
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184 for node in parent.childNodes: |
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185 if node.nodeType == Node.ELEMENT_NODE and \ |
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186 (name == "*" or node.tagName == name): |
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187 rc.append(node) |
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188 _getElementsByTagNameHelper(node, name, rc) |
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189 return rc |
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190 |
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191 def _getElementsByTagNameNSHelper(parent, nsURI, localName, rc): |
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192 for node in parent.childNodes: |
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193 if node.nodeType == Node.ELEMENT_NODE: |
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194 if ((localName == "*" or node.tagName == localName) and |
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195 (nsURI == "*" or node.namespaceURI == nsURI)): |
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196 rc.append(node) |
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197 _getElementsByTagNameNSHelper(node, name, rc) |
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198 |
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199 class Attr(Node): |
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200 nodeType = Node.ATTRIBUTE_NODE |
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201 |
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202 def __init__(self, qName, namespaceURI="", localName=None, prefix=None): |
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203 # skip setattr for performance |
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204 self.__dict__["localName"] = localName or qName |
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205 self.__dict__["nodeName"] = self.__dict__["name"] = qName |
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206 self.__dict__["namespaceURI"] = namespaceURI |
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207 self.__dict__["prefix"] = prefix |
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208 self.attributes = None |
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209 Node.__init__(self) |
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210 # nodeValue and value are set elsewhere |
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211 |
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212 def __setattr__(self, name, value): |
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213 if name in ("value", "nodeValue"): self.__dict__["value"] = self.__dict__["nodeValue"] = value |
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214 else: self.__dict__[name] = value |
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215 |
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216 def cloneNode(self, deep=0): |
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217 newNode = Attr(self.__dict__["name"],self.__dict__["namespaceURI"], |
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218 self.__dict__["localName"],self.__dict__["prefix"]) |
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219 newNode.__dict__["value"] = newNode.__dict__["nodeValue"] = self.value |
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220 if deep: self.deep_clone(newNode) |
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221 return newNode |
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222 |
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223 class AttributeList: |
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224 """the attribute list is a transient interface to the underlying |
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225 dictionaries. mutations here will change the underlying element's |
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226 dictionary""" |
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227 def __init__(self, attrs, attrsNS): |
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228 self._attrs = attrs |
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229 self._attrsNS = attrsNS |
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230 self.length = len(self._attrs.keys()) |
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231 |
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232 def copy(self): |
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233 clone = AttributeList(self._attrs.copy(),self._attrsNS.copy()) |
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234 return clone |
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235 |
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236 def item(self, index): |
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237 try: return self[self.keys()[index]] |
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238 except IndexError: return None |
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239 |
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240 def items(self): |
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241 return map(lambda node: (node.tagName, node.value), |
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242 self._attrs.values()) |
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243 |
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244 def itemsNS(self): |
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245 return map(lambda node: ((node.URI, node.localName), node.value), |
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246 self._attrs.values()) |
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247 |
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248 def keys(self): |
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249 return self._attrs.keys() |
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250 |
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251 def keysNS(self): |
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252 return self._attrsNS.keys() |
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253 |
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254 def values(self): |
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255 return self._attrs.values() |
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256 |
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257 def __len__(self): |
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258 return self.length |
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259 |
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260 def __cmp__(self, other): |
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261 if self._attrs is getattr(other, "_attrs", None): return 0 |
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262 else: return cmp(id(self), id(other)) |
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263 |
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264 #FIXME: is it appropriate to return .value? |
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265 def __getitem__(self, attname_or_tuple): |
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266 if type(attname_or_tuple) is types.TupleType: return self._attrsNS[attname_or_tuple] |
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267 else: return self._attrs[attname_or_tuple] |
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268 |
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269 # same as set |
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270 def __setitem__(self, attname, value): |
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271 if type(value) is types.StringType: |
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272 node = Attr(attname) |
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273 node.value=value |
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274 else: |
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275 assert isinstance(value, Attr) or type(value) is types.StringType |
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276 node = value |
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277 old = self._attrs.get(attname, None) |
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278 if old: old.unlink() |
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279 self._attrs[node.name] = node |
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280 self._attrsNS[(node.namespaceURI, node.localName)] = node |
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281 |
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282 def __delitem__(self, attname_or_tuple): |
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283 node = self[attname_or_tuple] |
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284 node.unlink() |
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285 del self._attrs[node.name] |
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286 del self._attrsNS[(node.namespaceURI, node.localName)] |
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287 |
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288 class Element(Node): |
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289 nodeType = Node.ELEMENT_NODE |
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290 |
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291 def __init__(self, tagName, namespaceURI="", prefix="", |
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292 localName=None): |
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293 Node.__init__(self) |
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294 self.tagName = self.nodeName = tagName |
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295 self.localName = localName or tagName |
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296 self.prefix = prefix |
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297 self.namespaceURI = namespaceURI |
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298 self.nodeValue = None |
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299 self._attrs={} # attributes are double-indexed: |
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300 self._attrsNS={}# tagName -> Attribute |
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301 # URI,localName -> Attribute |
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302 # in the future: consider lazy generation of attribute objects |
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303 # this is too tricky for now because of headaches |
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304 # with namespaces. |
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305 |
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306 def cloneNode(self, deep=0): |
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307 newNode = Element(self.tagName,self.namespaceURI,self.prefix,self.localName ) |
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308 keys = self._attrs.keys() |
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309 for k in keys: |
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310 attr = self._attrs[k].cloneNode(1) |
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311 newNode.setAttributeNode(attr) |
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312 if deep: self.deep_clone(newNode) |
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313 return newNode |
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314 |
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315 def _get_tagName(self): |
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316 return str(self.tagName) |
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317 |
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318 def getAttributeKeys(self): |
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319 result = [] |
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320 if self._attrs: return self._attrs.keys() |
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321 else: return None |
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322 |
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323 def getAttribute(self, attname): |
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324 if self.hasAttribute(attname): return str(self._attrs[attname].value) |
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325 else: return "" |
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326 |
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327 def getAttributeNS(self, namespaceURI, localName): |
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328 return self._attrsNS[(namespaceURI, localName)].value |
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329 |
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330 def setAttribute(self, attname, value): |
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331 attr = Attr(attname) |
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332 # for performance |
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333 attr.__dict__["value"] = attr.__dict__["nodeValue"] = value |
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334 self.setAttributeNode(attr) |
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335 |
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336 def setAttributeNS(self, namespaceURI, qualifiedName, value): |
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337 prefix, localname = _nssplit(qualifiedName) |
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338 # for performance |
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339 attr = Attr(qualifiedName, namespaceURI, localname, prefix) |
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340 attr.__dict__["value"] = attr.__dict__["nodeValue"] = value |
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341 self.setAttributeNode(attr) |
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342 # FIXME: return original node if something changed. |
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343 |
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344 def getAttributeNode(self, attrname): |
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345 return self._attrs.get(attrname) |
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346 |
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347 def getAttributeNodeNS(self, namespaceURI, localName): |
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348 return self._attrsNS[(namespaceURI, localName)] |
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349 |
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350 def setAttributeNode(self, attr): |
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351 old = self._attrs.get(attr.name, None) |
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352 if old: old.unlink() |
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353 self._attrs[attr.name] = attr |
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354 self._attrsNS[(attr.namespaceURI, attr.localName)] = attr |
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355 # FIXME: return old value if something changed |
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356 |
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357 def removeAttribute(self, name): |
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358 attr = self._attrs[name] |
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359 self.removeAttributeNode(attr) |
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360 |
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361 def removeAttributeNS(self, namespaceURI, localName): |
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362 attr = self._attrsNS[(namespaceURI, localName)] |
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363 self.removeAttributeNode(attr) |
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364 |
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365 def removeAttributeNode(self, node): |
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366 node.unlink() |
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367 del self._attrs[node.name] |
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368 del self._attrsNS[(node.namespaceURI, node.localName)] |
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369 |
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370 def hasAttribute(self, name): |
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371 return self._attrs.has_key(name) |
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372 |
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373 def hasAttributeNS(self, namespaceURI, localName): |
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374 return self._attrsNS.has_key((namespaceURI, localName)) |
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375 |
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376 def getElementsByTagName(self, name): |
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377 return _getElementsByTagNameHelper(self, name, []) |
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378 |
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379 def getElementsByTagNameNS(self, namespaceURI, localName): |
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380 _getElementsByTagNameNSHelper(self, namespaceURI, localName, []) |
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381 |
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382 def __repr__(self): |
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383 return "<DOM Element: %s at %s>" % (self.tagName, id(self)) |
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384 |
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385 # undocumented |
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386 def writexml(self, writer, tabs=0): |
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387 tab_str = "" |
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388 if tabs: |
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389 tab_str = "\n" + (" "*(tabs-1)) |
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390 tabs += 1 |
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391 writer.write(tab_str + "<" + self.tagName) |
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392 a_names = self._get_attributes().keys() |
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393 a_names.sort() |
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394 |
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395 for a_name in a_names: |
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396 writer.write(" %s=\"" % a_name) |
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397 _write_data(writer, self._get_attributes()[a_name].value) |
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398 writer.write("\"") |
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399 if self.childNodes: |
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400 writer.write(">") |
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401 for node in self.childNodes: |
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402 node.writexml(writer,tabs) |
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403 if self.childNodes[0].nodeType == Node.TEXT_NODE: |
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404 tab_str = "" |
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405 writer.write(tab_str + "</%s>" % self.tagName) |
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406 else: writer.write("/>") |
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407 |
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408 def _get_attributes(self): |
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409 return AttributeList(self._attrs, self._attrsNS) |
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410 |
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411 class Comment(Node): |
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412 nodeType = Node.COMMENT_NODE |
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413 |
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414 def __init__(self, data): |
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415 Node.__init__(self) |
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416 self.data = self.nodeValue = data |
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417 self.nodeName = "#comment" |
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418 self.attributes = None |
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419 |
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420 def writexml(self, writer, tabs=0): |
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421 writer.write("<!--%s-->" % self.data) |
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422 |
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423 def cloneNode(self, deep=0): |
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424 newNode = Comment(self.data) |
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425 if deep: self.deep_clone(newNode) |
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426 return newNode |
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427 |
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428 class ProcessingInstruction(Node): |
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429 nodeType = Node.PROCESSING_INSTRUCTION_NODE |
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430 |
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431 def __init__(self, target, data): |
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432 Node.__init__(self) |
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433 self.target = self.nodeName = target |
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434 self.data = self.nodeValue = data |
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435 self.attributes = None |
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436 |
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437 def writexml(self, writer, tabs=0): |
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438 writer.write("<?%s %s?>" % (self.target, self.data)) |
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439 |
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440 def cloneNode(self, deep=0): |
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441 newNode = ProcessingInstruction(self.target, self.data) |
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442 if deep: self.deep_clone(newNode) |
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443 return newNode |
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444 |
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445 class Text(Node): |
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446 nodeType = Node.TEXT_NODE |
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447 nodeName = "#text" |
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448 |
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449 def __init__(self, data): |
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450 Node.__init__(self) |
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451 self.data = self.nodeValue = data |
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452 self.attributes = None |
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453 |
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454 def __repr__(self): |
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455 if len(self.data) > 10: dotdotdot = "..." |
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456 else: dotdotdot = "" |
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457 return "<DOM Text node \"%s%s\">" % (self.data[0:10], dotdotdot) |
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458 |
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459 def writexml(self, writer, tabs=0): |
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460 _write_data(writer, self.data) |
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461 |
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462 def _get_nodeValue(self): |
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463 return str(self.nodeValue) |
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464 |
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465 def _set_nodeValue(self,data): |
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466 self.data = self.nodeValue = data |
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467 |
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468 def cloneNode(self, deep=0): |
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469 newNode = Text(self.data) |
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470 if deep: self.deep_clone(newNode) |
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471 return newNode |
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472 |
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473 def _nssplit(qualifiedName): |
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474 fields = string.split(qualifiedName,':', 1) |
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475 if len(fields) == 2: return fields |
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476 elif len(fields) == 1: return ('', fields[0]) |
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477 |
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478 class Document(Node): |
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479 nodeType = Node.DOCUMENT_NODE |
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480 documentElement = None |
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481 |
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482 def __init__(self): |
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483 Node.__init__(self) |
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484 self.attributes = None |
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485 self.nodeName = "#document" |
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486 self.nodeValue = None |
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487 self.ownerDocument = self |
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488 |
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489 def appendChild(self, node): |
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490 if node.nodeType == Node.ELEMENT_NODE: |
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491 if self.documentElement: raise TypeError, "Two document elements disallowed" |
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492 else: self.documentElement = node |
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493 Node.appendChild(self, node) |
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494 return node |
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495 createElement = Element |
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496 createTextNode = Text |
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497 createComment = Comment |
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498 createProcessingInstruction = ProcessingInstruction |
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499 createAttribute = Attr |
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500 |
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501 def createElementNS(self, namespaceURI, qualifiedName): |
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502 prefix,localName = _nssplit(qualifiedName) |
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503 return Element(qualifiedName, namespaceURI, prefix, localName) |
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504 |
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505 def createAttributeNS(self, namespaceURI, qualifiedName): |
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506 prefix,localName = _nssplit(qualifiedName) |
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507 return Attr(qualifiedName, namespaceURI, localName, prefix) |
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508 |
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509 def getElementsByTagNameNS(self, namespaceURI, localName): |
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510 _getElementsByTagNameNSHelper(self, namespaceURI, localName) |
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511 |
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512 def unlink(self): |
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513 self.documentElement = None |
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514 Node.unlink(self) |
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515 |
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516 def getElementsByTagName(self, name): |
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517 rc = [] |
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518 _getElementsByTagNameHelper(self, name, rc) |
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519 return rc |
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520 |
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521 def writexml(self, writer): |
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522 for node in self.childNodes: node.writexml(writer) |
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523 |
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524 def _doparse(func, args, kwargs): |
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525 events = apply(func, args, kwargs) |
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526 toktype, rootNode = events.getEvent() |
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527 events.expandNode(rootNode) |
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528 return rootNode |
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529 |
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530 def parse(*args, **kwargs): |
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531 "Parse a file into a DOM by filename or file object" |
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532 return _doparse(pulldom.parse, args, kwargs) |
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533 |
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534 def parseString(*args, **kwargs): |
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535 "Parse a file into a DOM from a string" |
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536 return _doparse(pulldom.parseString, args, kwargs) |