wxPython/docs/bin/simplify.py

   1 #!/usr/bin/python
   2 #---------------------------------------------------------------------------
   3 #
   4 # Like simplify.xsl but using Python so a few non-standard conversions can
   5 # also be done.  (Currently it is still about the same as simplify.xsl...)
   6 #
   7 #---------------------------------------------------------------------------
   8
   9 import sys
  10 import os
  11 import libxml2
  12
  13
  14 DEST="docs/xml/wxPython-metadata.xml"
  15 SRC="docs/xml-raw"
  16
  17
  18 classMap = {
  19     'wxString'   : 'String',
  20     'void'       : '',
  21     }
  22
  23
  24 def getModuleNames():
  25     """
  26     Get the list of extension modules from setup.py
  27     """
  28     import setup
  29     names = [e.name[1:] for e in setup.wxpExtensions]
  30     return names
  31
  32
  33
  34 def getAttr(node, name):
  35     """
  36     Get a value by name from the <attribute> elements in the SWIG XML output
  37     """
  38     path = "./attributelist/attribute[@name='%s']/@value" % name
  39     n = node.xpathEval2(path)
  40     if len(n):
  41         return n[0].content
  42     else:
  43         return None
  44
  45
  46 def fixType(typeStr):
  47     """
  48     Fixup type string, dropping the swig pointer and other flags
  49     """
  50     pos = typeStr.rfind('.')
  51     if pos != -1:
  52         typeStr = typeStr[pos+1:]
  53     return classMap.get(typeStr, typeStr)
  54
  55
  56 def processModule(newDocNode, modulename):
  57     """
  58     Start processing a new XML file, create a module element and then
  59     find the include elements
  60     """
  61     filename = os.path.join(SRC, "%s_swig.xml" % modulename)
  62     print filename
  63
  64     doc = libxml2.parseFile(filename)
  65     topNode = doc.getRootElement()
  66
  67     # make a module element
  68     name = getAttr(topNode, "module")
  69     ##assert name == modulename # sanity check
  70
  71     moduleNode = libxml2.newNode("module")
  72     moduleNode.setProp("name", name)
  73     newDocNode.addChild(moduleNode)
  74
  75     node = topNode.children
  76     while node is not None:
  77         if node.name == "include":
  78             processInclude(moduleNode, node)
  79         node = node.next
  80
  81     doc.freeDoc()
  82
  83
  84
  85 def processInclude(moduleNode, includeNode):
  86     """
  87     Almost everything we are interested in is inside an <include>,
  88     which may also be nested.
  89     """
  90
  91     # check first for imports
  92     for node in includeNode.xpathEval2("import"):
  93         try:
  94             modNode = node.xpathEval2("module")[0]
  95             name = getAttr(modNode, "name")
  96             impNode = libxml2.newNode("import")
  97             impNode.setProp("name", name)
  98             moduleNode.addChild(impNode)
  99         except IndexError:
 100             pass
 101
 102     # then look through the child nodes for other things we need
 103     node = includeNode.children
 104     while node is not None:
 105         if node.name == "insert":
 106             processInsert(moduleNode, node)
 107
 108         elif node.name == "class":
 109             processClass(moduleNode, node)
 110
 111         elif node.name == "cdecl" and getAttr(node, "view") == "globalfunctionHandler":
 112             func = libxml2.newNode("method")
 113             func.setProp("name",    getAttr(node, "sym_name"))
 114             func.setProp("oldname", getAttr(node, "name"))
 115             func.setProp("type",    fixType(getAttr(node, "type")))
 116             doCheckOverloaded(func, node)
 117             doDocStrings(func, node)
 118             doParamList(func, node)
 119             moduleNode.addChild(func)
 120
 121
 122         elif node.name == "include":
 123             processInclude(moduleNode, node)
 124
 125         node = node.next
 126
 127
 128
 129 def processInsert(parentNode, insertNode):
 130     """
 131     Check for pythoncode
 132     """
 133     if getAttr(insertNode, "section") == "python":
 134         code = getAttr(insertNode, "code")
 135         node = libxml2.newNode("pythoncode")
 136         node.addChild(libxml2.newText(code))
 137         parentNode.addChild(node)
 138
 139
 140
 141 def processClass(parentNode, classNode):
 142     """
 143     Handle classes, constructors, methods, etc.
 144     """
 145     # make class element
 146     klass = libxml2.newNode("class")
 147     name = getAttr(classNode, "sym_name")
 148     oldname = getAttr(classNode, "name")
 149     classMap[oldname] = name
 150     klass.setProp("name",    name)
 151     klass.setProp("oldname", oldname)
 152     klass.setProp("module",  getAttr(classNode, "module"))
 153     doDocStrings(klass, classNode)
 154     parentNode.addChild(klass)
 155
 156     # check for baseclass(es)
 157     for node in classNode.xpathEval2("attributelist/baselist/base"):
 158         baseclass = libxml2.newNode("baseclass")
 159         basename = node.prop("name")
 160         baseclass.setProp("name", classMap.get(basename, basename))
 161         klass.addChild(baseclass)
 162
 163     # check for constructors/destructors
 164     for type in ["constructor", "destructor"]:
 165         for node in classNode.xpathEval2("%s | extend/%s" % (type, type)):
 166             func = libxml2.newNode(type)
 167             func.setProp("name", getAttr(node, "sym_name"))
 168             if parentNode.name != "destructor":
 169                 doCheckOverloaded(func, node)
 170             doDocStrings(func, node)
 171             doParamList(func, node)
 172             klass.addChild(func)
 173
 174     # check for cdecl's.  In class scope we are interested in methods,
 175     # static methods, or properties
 176     for node in classNode.xpathEval2("cdecl | extend/cdecl"):
 177         view = getAttr(node, "view")
 178         if view == "memberfunctionHandler":
 179             func = libxml2.newNode("method")
 180             func.setProp("name", getAttr(node, "sym_name"))
 181             func.setProp("type", fixType(getAttr(node, "type")))
 182             doCheckOverloaded(func, node)
 183             doDocStrings(func, node)
 184             doParamList(func, node)
 185             klass.addChild(func)
 186
 187         elif view == "staticmemberfunctionHandler":
 188             func = libxml2.newNode("staticmethod")
 189             func.setProp("name", getAttr(node, "sym_name"))
 190             func.setProp("type", fixType(getAttr(node, "type")))
 191             doCheckOverloaded(func, node)
 192             doDocStrings(func, node)
 193             doParamList(func, node)
 194             klass.addChild(func)
 195
 196         elif view == "variableHandler":
 197             prop = libxml2.newNode("property")
 198             prop.setProp("name", getAttr(node, "sym_name"))
 199             prop.setProp("type", fixType(getAttr(node, "type")))
 200             if getAttr(node, "feature_immutable"):
 201                 prop.setProp("readonly", "yes")
 202             else:
 203                 prop.setProp("readonly", "no")
 204             doDocStrings(prop, node)
 205             klass.addChild(prop)
 206
 207
 208
 209 def doParamList(parentNode, srcNode):
 210     """
 211     Convert the parameter list
 212     """
 213     params = srcNode.xpathEval2("attributelist/parmlist/parm")
 214     if params:
 215         plist = libxml2.newNode("paramlist")
 216         for p in params:
 217             pnode = libxml2.newNode("param")
 218             pnode.setProp("name", getAttr(p, "name"))
 219             pnode.setProp("type", fixType(getAttr(p, "type")))
 220             pnode.setProp("default", getAttr(p, "value"))
 221             plist.addChild(pnode)
 222         parentNode.addChild(plist)
 223
 224
 225
 226 def doCheckOverloaded(parentNode, srcNode):
 227     """
 228     Set an attribute indicating if the srcNode is tagged as being overloaded
 229     """
 230     if srcNode.xpathEval2("./attributelist/attribute[@name='sym_overloaded']"):
 231         parentNode.setProp("overloaded", "yes")
 232     else:
 233         parentNode.setProp("overloaded", "no")
 234
 235
 236
 237 def doDocStrings(parentNode, srcNode):
 238     """
 239     Check for the various possible docstring attributes, and attach
 240     coresponding child nodes if found.
 241     """
 242     def makeDocElement(name, content):
 243         node = libxml2.newNode(name)
 244         node.addChild(libxml2.newText(content))
 245         return node
 246
 247     autodoc = getAttr(srcNode, "python_autodoc")
 248     docstr  = getAttr(srcNode, "feature_docstring")
 249     if autodoc:
 250         parentNode.addChild(makeDocElement("autodoc", autodoc))
 251     if docstr:
 252         parentNode.addChild(makeDocElement("docstring", docstr))
 253
 254
 255
 256
 257
 258 def main():
 259     if not os.path.exists(SRC):
 260         print "Unable to find %s, please run this script from the root wxPython directory." % SRC
 261         sys.exit(1)
 262
 263     newDoc = libxml2.newDoc("1.0")
 264     newTopNode = libxml2.newNode("wxPython-metadata")
 265     newDoc.addChild(newTopNode)
 266
 267     for m in getModuleNames():
 268         processModule(newTopNode, m)
 269
 270     newDoc.saveFormatFile(DEST, True)
 271     print "Wrote simplified metadata to", DEST
 272
 273 #---------------------------------------------------------------------------
 274
 275 if __name__ == "__main__":
 276     main()