6c72a02688
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25160 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
483 lines
16 KiB
Python
Executable File
483 lines
16 KiB
Python
Executable File
#!/usr/bin/env python
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#---------------------------------------------------------------------------
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"""
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Usage: build_renamers.py destdir modulename filename.xml
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Scans the XML file produced by SWIG (see setup.py) and generate the
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%rename directives needed to implement the new wx namespace. The
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rename directives are output in a file named _modulename_rename.i in
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the destdir given.
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Also output a reverse 'renamer' Python module located in
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wxPython/filename.py (relative the the current dir) to make a
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backwards compatibility interface for the old wxPython packages.
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"""
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import sys, os, tempfile, pprint
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import xml.sax
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from distutils.spawn import spawn
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try:
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import libxml2
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USE_LIBXML2 = True
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except ImportError:
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USE_LIBXML2 = False
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wxPythonDir = "wxPython"
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#---------------------------------------------------------------------------
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renamerTemplateStart = """\
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// A bunch of %%rename directives generated by %s
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// in order to remove the wx prefix from all global scope names.
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#ifndef BUILDING_RENAMERS
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"""
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renamerTemplateEnd = """
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#endif
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"""
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wxPythonTemplateStart = """\
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## This file reverse renames symbols in the wx package to give
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## them their wx prefix again, for backwards compatibility.
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##
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## Generated by %s
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# This silly stuff here is so the wxPython.wx module doesn't conflict
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# with the wx package. We need to import modules from the wx package
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# here, then we'll put the wxPython.wx entry back in sys.modules.
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import sys
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_wx = None
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if sys.modules.has_key('wxPython.wx'):
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_wx = sys.modules['wxPython.wx']
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del sys.modules['wxPython.wx']
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import wx.%s
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sys.modules['wxPython.wx'] = _wx
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del sys, _wx
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# Now assign all the reverse-renamed names:
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"""
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wxPythonTemplateEnd = """
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"""
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#---------------------------------------------------------------------------
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def main(args):
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# check args
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if len(args) < 3:
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print __doc__
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sys.exit(1)
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# check location (there should be a wxPython subdir)
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if not os.path.exists(wxPythonDir) or not os.path.isdir(wxPythonDir):
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print __doc__
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print "You should only run this script from the main wxPython source dir.\n"
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sys.exit(1)
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destdir = args[0]
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modname = args[1]
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xmlfile = args[2]
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swigDest = os.path.join(destdir, "_"+modname+"_rename.i")
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pyDest = os.path.join(wxPythonDir, modname + '.py')
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swigDestTemp = tempfile.mktemp('.tmp')
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swigFile = open(swigDestTemp, "w")
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swigFile.write(renamerTemplateStart % sys.argv[0])
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pyDestTemp = tempfile.mktemp('.tmp')
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pyFile = open(pyDestTemp, "w")
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pyFile.write(wxPythonTemplateStart % (sys.argv[0], modname))
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try:
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print "Parsing and building renamers",
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if USE_LIBXML2:
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processXML(xmlfile, modname, swigFile, pyFile)
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else:
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print "using xml.sax..."
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xml.sax.parse(xmlfile, ContentHandler(modname, swigFile, pyFile))
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finally:
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checkOtherNames(pyFile, modname,
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os.path.join(destdir, '_'+modname+'_reverse.txt'))
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pyFile.write(wxPythonTemplateEnd)
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pyFile.close()
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swigFile.write(renamerTemplateEnd)
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swigFile.close()
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# Compare the files just created with the existing one and
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# blow away the old one if they are different.
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for dest, temp in [(swigDest, swigDestTemp),
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(pyDest, pyDestTemp)]:
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if not os.path.exists(dest):
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os.rename(temp, dest)
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elif open(dest).read() != open(temp).read():
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os.unlink(dest)
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os.rename(temp, dest)
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else:
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print dest + " not changed."
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os.unlink(temp)
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#---------------------------------------------------------------------------
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def GetAttr(node, name):
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path = "./attributelist/attribute[@name='%s']/@value" % name
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n = node.xpathEval2(path)
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if len(n):
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return n[0].content
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else:
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return None
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def processXML(xmlfile, modname, swigFile, pyFile):
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import libxml2
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print "using libxml2..."
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topnode = libxml2.parseFile(xmlfile).children
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# remove any import nodes as we don't need to do renamers for symbols found therein
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imports = topnode.xpathEval2("*/import")
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for n in imports:
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n.unlinkNode()
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n.freeNode()
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# do a depth first iteration over what's left
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for node in topnode:
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doRename = False
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doPtr = False
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addWX = False
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revOnly = False
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if node.name == "class":
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lastClassName = name = GetAttr(node, "name")
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lastClassSymName = sym_name = GetAttr(node, "sym_name")
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doRename = True
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doPtr = True
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if sym_name != name:
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name = sym_name
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addWX = True
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# renamed constructors
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elif node.name == "constructor":
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name = GetAttr(node, "name")
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sym_name = GetAttr(node, "sym_name")
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if sym_name != name:
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name = sym_name
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addWX = True
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doRename = True
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# only enumitems at the top level
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elif node.name == "enumitem" and node.parent.parent.name == "include":
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name = GetAttr(node, "name")
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sym_name = GetAttr(node, "sym_name")
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doRename = True
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elif node.name in ["cdecl", "constant"]:
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name = GetAttr(node, "name")
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sym_name = GetAttr(node, "sym_name")
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toplevel = node.parent.name == "include"
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# top-level functions
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if toplevel and GetAttr(node, "view") == "globalfunctionHandler":
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doRename = True
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# top-level global vars
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elif toplevel and GetAttr(node, "feature_immutable") == "1":
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doRename = True
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# static methods
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elif GetAttr(node, "view") == "staticmemberfunctionHandler":
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name = lastClassName + '_' + name
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sym_name = lastClassSymName + '_' + sym_name
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# only output the reverse renamer in this case
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doRename = revOnly = True
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if doRename and name != sym_name:
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name = sym_name
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addWX = True
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if doRename and name:
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old = new = name
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if old.startswith('wx') and not old.startswith('wxEVT_'):
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# remove all wx prefixes except wxEVT_ and write a %rename directive for it
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new = old[2:]
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if not revOnly:
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swigFile.write("%%rename(%s) %35s;\n" % (new, old))
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# Write assignments to import into the old wxPython namespace
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if addWX and not old.startswith('wx'):
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old = 'wx'+old
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pyFile.write("%s = wx.%s.%s\n" % (old, modname, new))
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if doPtr:
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pyFile.write("%sPtr = wx.%s.%sPtr\n" % (old, modname, new))
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#---------------------------------------------------------------------------
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def checkOtherNames(pyFile, moduleName, filename):
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if os.path.exists(filename):
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prefixes = []
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for line in file(filename):
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if line.endswith('\n'):
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line = line[:-1]
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if line and not line.startswith('#'):
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if line.endswith('*'):
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prefixes.append(line[:-1])
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elif line.find('=') != -1:
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pyFile.write("%s\n" % line)
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else:
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wxname = 'wx' + line
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if line.startswith('wx') or line.startswith('WX') or line.startswith('EVT'):
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wxname = line
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pyFile.write("%s = wx.%s.%s\n" % (wxname, moduleName, line))
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if prefixes:
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pyFile.write(
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"\n\nd = globals()\nfor k, v in wx.%s.__dict__.iteritems():"
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% moduleName)
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first = True
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for p in prefixes:
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if first:
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pyFile.write("\n if ")
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first = False
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else:
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pyFile.write("\n elif ")
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pyFile.write("k.startswith('%s'):\n d[k] = v" % p)
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pyFile.write("\ndel d, k, v\n\n")
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#---------------------------------------------------------------------------
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interestingTypes = [ 'class', 'cdecl', 'enumitem', 'constructor', 'constant' ]
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interestingAttrs = [ 'name', 'sym_name', 'decl', 'feature_immutable', 'module',
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'storage', 'type' ]
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class Element:
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def __init__(self, tagtype):
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self.tagtype = tagtype
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self.level = -1
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self.name = None
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self.sym_name = None
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self.decl = None
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self.immutable = None
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self.klass = None
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self.module = None
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self.storage = None
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self.type = None
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self.startLine = -1
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def write(self, moduleName, swigFile, pyFile):
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doRename = False
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doPtr = False
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addWX = False
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revOnly = False
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#if self.name.find('DefaultPosition') != -1:
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# pprint.pprint(self.__dict__)
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if self.tagtype in ['cdecl', 'constant']:
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if self.storage == 'typedef':
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pass
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# top level functions
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elif self.level == 0 and self.decl != "":
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doRename = True
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# top level global vars
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elif self.level == 0 and self.immutable == '1':
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doRename = True
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# static methods
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elif self.storage == 'static':
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if not self.klass:
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pprint.pprint(self.__dict__)
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else:
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self.name = self.klass + '_' + self.name
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self.sym_name = self.sym_klass + '_' + self.sym_name
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# only output the reverse renamer in this case
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doRename = revOnly = True
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if doRename and self.name != self.sym_name:
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#print "%-25s %-25s" % (self.name, self.sym_name)
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self.name = self.sym_name
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addWX = True
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elif self.tagtype == 'class' and self.module == moduleName:
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doRename = True
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doPtr = True
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if self.sym_name != self.klass:
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#print self.sym_name
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self.name = self.sym_name
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addWX = True
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elif self.tagtype == 'constructor':
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#print "%-25s %-25s" % (self.name, self.sym_name)
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if self.sym_name != self.klass:
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#print self.sym_name
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self.name = self.sym_name
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addWX = True
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doRename = True
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elif self.tagtype == 'enumitem' and self.level == 0:
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doRename = True
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if doRename:
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#print "%-25s %-25s" % (self.name, self.sym_name)
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old = new = self.name
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if old.startswith('wx') and not old.startswith('wxEVT_'):
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# remove all wx prefixes except wxEVT_ and write a %rename directive for it
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new = old[2:]
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if not revOnly:
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swigFile.write("%%rename(%s) %35s;\n" % (new, old))
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# Write assignments to import into the old wxPython namespace
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if addWX and not old.startswith('wx'):
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old = 'wx'+old
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pyFile.write("%s = wx.%s.%s\n" % (old, moduleName, new))
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if doPtr:
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pyFile.write("%sPtr = wx.%s.%sPtr\n" % (old, moduleName, new))
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#else:
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# text = "%07d %d %10s %-35s %s\n" % (
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# self.startLine, self.level, self.tagtype, self.name, self.decl)
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# #rejects.write(text)
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# print text,
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#---------------------------------------------------------------------------
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class ContentHandler(xml.sax.ContentHandler):
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def __init__(self, modname, swigFile, pyFile):
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xml.sax.ContentHandler.__init__(self)
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self.modname = modname
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self.swigFile = swigFile
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self.pyFile = pyFile
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self.elements = []
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self.imports = 0
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self.klass = None
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self.sym_klass = None
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def setDocumentLocator(self, locator):
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self.locator = locator
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def startElement(self, name, attrs):
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if name in interestingTypes:
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# start of a new element that we are interested in
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ce = Element(name)
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ce.startLine = self.locator.getLineNumber()
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ce.level = len(self.elements)
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if name == 'constructor':
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ce.klass = self.elements[0].name
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else:
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ce.klass = self.klass
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ce.sym_klass = self.sym_klass
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self.elements.insert(0, ce)
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elif len(self.elements) and name == 'attribute' and attrs['name'] in interestingAttrs:
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attrName = attrs['name']
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attrVal = attrs['value']
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if attrName.startswith('feature_'):
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attrName = attrName.replace('feature_', '')
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ce = self.elements[0]
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if getattr(ce, attrName) is None:
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setattr(ce, attrName, attrVal)
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if ce.tagtype == 'class' and attrName == 'name' and self.klass is None:
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self.klass = attrVal
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if ce.tagtype == 'class' and attrName == 'sym_name' and self.sym_klass is None:
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self.sym_klass = attrVal
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'name':
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## # save the elements name
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## ce = self.elements[0]
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## if ce.name is None:
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## ce.name = attrs['value']
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## ce.nameLine = self.locator.getLineNumber()
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'sym_name':
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## # save the elements name
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## ce = self.elements[0]
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## if ce.sym_name is None:
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## ce.sym_name = attrs['value']
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'decl':
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## # save the elements decl
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## ce = self.elements[0]
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## ce.decl = attrs['value']
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'feature_immutable':
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## # save the elements decl
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## ce = self.elements[0]
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## ce.immutable = int(attrs['value'])
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'module':
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## # save the elements decl
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## ce = self.elements[0]
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## ce.module = attrs['value']
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elif name == 'import':
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self.imports += 1
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'storage':
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## # save the elements decl
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## ce = self.elements[0]
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## ce.storage = attrs['value']
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## elif len(self.elements) and name == 'attribute' and attrs['name'] == 'type':
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## # save the elements decl
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## ce = self.elements[0]
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## ce.type = attrs['value']
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def endElement(self, name):
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if name in interestingTypes:
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# end of an element that we are interested in
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ce = self.elements.pop(0)
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if self.imports == 0:
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# only write for items that are in this file, not imported
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ce.write(self.modname, self.swigFile, self.pyFile)
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if name == 'import':
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self.imports -= 1
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if name == 'class':
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self.klass = None
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self.sym_klass = None
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#---------------------------------------------------------------------------
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if __name__ == "__main__":
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main(sys.argv[1:])
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