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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| wxPythonDir = "wxPython"
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| 
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| #---------------------------------------------------------------------------
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| 
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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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| 
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| #ifndef BUILDING_RENAMERS
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| 
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| """
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| 
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| renamerTemplateEnd = """
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| #endif
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| """
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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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| 
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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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| 
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| import wx.%s
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| 
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| sys.modules['wxPython.wx'] = _wx
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| del sys, _wx
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| 
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| 
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| # Now assign all the reverse-renamed names:
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| """
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| 
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| wxPythonTemplateEnd = """
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| 
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| """
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| 
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| 
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| 
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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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| 
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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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|         
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| 
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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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|     
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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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| 
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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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| 
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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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| 
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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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| 
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|     finally:
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| 
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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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| 
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|         swigFile.write(renamerTemplateEnd)
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|         swigFile.close()
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| 
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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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| #---------------------------------------------------------------------------
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| 
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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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|     
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| 
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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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| 
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|     topnode = libxml2.parseFile(xmlfile).children
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| 
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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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| 
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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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| 
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| 
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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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| 
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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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| 
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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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| 
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| 
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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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| 
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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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| 
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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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| 
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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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|        
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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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|                
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| 
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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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| 
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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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| 
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| #---------------------------------------------------------------------------
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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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| 
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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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|                         
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| #---------------------------------------------------------------------------
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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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| 
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| 
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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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| 
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| 
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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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| 
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|         #if self.name.find('DefaultPosition') != -1:
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|         #    pprint.pprint(self.__dict__)
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|        
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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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|             
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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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| 
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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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| 
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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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| 
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|                             
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| 
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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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|                 
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| 
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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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| 
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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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| 
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|         elif self.tagtype == 'enumitem' and self.level == 0:
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|             doRename = True
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| 
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| 
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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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| 
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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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|                 
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|             
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|             
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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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| 
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| #---------------------------------------------------------------------------
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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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| 
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| 
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|     def setDocumentLocator(self, locator):
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|         self.locator = locator
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| 
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| 
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| 
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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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| 
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| 
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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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|             
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         elif name == 'import':
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|             self.imports += 1
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| 
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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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| 
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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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| 
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| 
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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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|             
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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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|             
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|         if name == 'import':
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|             self.imports -= 1
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| 
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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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| 
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| #---------------------------------------------------------------------------
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| 
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| if __name__ == "__main__":
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|     main(sys.argv[1:])
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| 
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