7e05216cce
and other tweaks. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38982 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
473 lines
15 KiB
Python
473 lines
15 KiB
Python
#----------------------------------------------------------------------
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# Name: wx.tools.pywxrc
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# Purpose: XML resource compiler
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#
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# Author: Robin Dunn
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# Based on wxrc.cpp by Vaclav Slavik, Eduardo Marques
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# Ported to Python in order to not require yet another
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# binary in wxPython distributions
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#
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# Massive rework by Eli Golovinsky
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#
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# RCS-ID: $Id$
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# Copyright: (c) 2004 by Total Control Software, 2000 Vaclav Slavik
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# Licence: wxWindows license
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#----------------------------------------------------------------------
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"""
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pywxrc -- Python XML resource compiler
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(see http://wiki.wxpython.org/index.cgi/pywxrc for more info)
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Usage: python pywxrc.py -h
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python pywxrc.py <resource.xrc> [-e] [-g] [-o filename]
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-h, --help show help message
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-e, --embed embed resources in the output file
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-g, --gettext embed list of translatable strings in the output file
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-o, --output output filename, or - for stdout
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"""
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import sys, os, getopt, glob, re
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import xml.dom.minidom as minidom
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import wx
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import wx.xrc
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#----------------------------------------------------------------------
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class PythonTemplates:
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FILE_HEADER = """\
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# This file was automatically generated by pywxrc, do not edit by hand.
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import wx
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import wx.xrc as xrc
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__res = None
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def get_resources():
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\"\"\" This function provides access to the XML resources in this module.\"\"\"
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global __res
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if __res == None:
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__init_resources()
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return __res
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"""
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CLASS_HEADER = """\
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class xrc%(windowName)s(wx.%(windowClass)s):
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def PreCreate(self):
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\"\"\" This function is called during the class's initialization.
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Override it for custom setup before the window is created usually to
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set additional window styles using SetWindowStyle() and SetExtraStyle().\"\"\"
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pass
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def __init__(self, parent):
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# Two stage creation (see http://wiki.wxpython.org/index.cgi/TwoStageCreation)
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pre = wx.Pre%(windowClass)s()
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get_resources().LoadOn%(windowClass)s(pre, parent, "%(windowName)s")
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self.PreCreate()
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self.PostCreate(pre)
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# Define variables for the controls
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"""
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CREATE_WIDGET_VAR = """\
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self.%(widgetName)s = xrc.XRCCTRL(self, \"%(widgetName)s\")
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"""
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INIT_RESOURE_HEADER = """\
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# ------------------------ Resource data ----------------------
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def __init_resources():
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"""
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LOAD_RES_FILE = """\
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global __res
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__res = xrc.XmlResource('%(resourceFilename)s')
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"""
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FILE_AS_STRING = """\
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%(filename)s = '''\\
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%(fileData)s'''
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"""
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PREPARE_MEMFS = """\
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# Load all the strings as memory files
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wx.FileSystem.AddHandler(wx.MemoryFSHandler())
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"""
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ADD_FILE_TO_MEMFS = """\
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wx.MemoryFSHandler.AddFile('XRC/%(memoryPath)s/%(filename)s', %(filename)s)
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"""
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LOAD_RES_MEMFS = """\
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global __res
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__res = xrc.EmptyXmlResource()
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__res.Load('memory:XRC/%(memoryPath)s/%(resourceFilename)s')
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"""
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GETTEXT_DUMMY_FUNC = """\
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# ----------------------- Gettext strings ---------------------
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def __gettext_strings():
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# This is a dummy function that lists all the strings that are used in
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# the XRC file in the _("a string") format to be recognized by GNU
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# gettext utilities (specificaly the xgettext utility) and the
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# mki18n.py script. For more information see:
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# http://wiki.wxpython.org/index.cgi/Internationalization
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def _(str): pass
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%(gettextStrings)s
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"""
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#----------------------------------------------------------------------
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class XmlResourceCompiler:
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templates = PythonTemplates()
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"""This class generates Python code from XML resource files (XRC)."""
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def MakePythonModule(self, resourceFilename, outputFilename,
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embedResources=False, generateGetText=False):
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if outputFilename == "-":
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outputFile = sys.stdout
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else:
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try:
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outputFile = open(outputFilename, "wt")
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except IOError:
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raise IOError("Can't write output to '%s'" % outputFilename)
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resourceDocument = minidom.parse(resourceFilename)
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print >>outputFile, self.templates.FILE_HEADER
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print >>outputFile, self.GenerateClasses(resourceDocument)
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if embedResources:
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print >>outputFile, self.GenerateInitResourcesEmbedded(resourceFilename, resourceDocument)
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else:
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print >>outputFile, self.GenerateInitResourcesFile(resourceFilename, resourceDocument)
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if generateGetText:
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print >>outputFile, self.GenerateGetText(resourceDocument)
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#-------------------------------------------------------------------
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def GenerateClasses(self, resourceDocument):
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outputList = []
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resource = resourceDocument.firstChild
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topWindows = [e for e in resource.childNodes
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if e.nodeType == e.ELEMENT_NODE and e.tagName == "object"]
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# Generate a class for each top-window object (Frame, Panel, Dialog, etc.)
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for topWindow in topWindows:
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windowClass = topWindow.getAttribute("class")
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windowClass = re.sub("^wx", "", windowClass)
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windowName = topWindow.getAttribute("name")
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outputList.append(self.templates.CLASS_HEADER % locals())
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# Generate a variable for each control, and standard event handlers
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# for standard controls.
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for widget in topWindow.getElementsByTagName("object"):
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widgetClass = widget.getAttribute("class")
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widgetClass = re.sub("^wx", "", widgetClass)
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widgetName = widget.getAttribute("name")
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if (widgetName != "" and widgetClass != "" and
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widgetClass not in
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['tool', 'unknown', 'notebookpage',
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'separator', 'sizeritem', 'MenuItem']):
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outputList.append(self.templates.CREATE_WIDGET_VAR % locals())
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outputList.append('\n\n')
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return "".join(outputList)
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#-------------------------------------------------------------------
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def GenerateGetText(self, resourceDocument):
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resource = resourceDocument.firstChild
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strings = self.FindStringsInNode(resource)
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strings = [' _("%s")\n' % s for s in strings]
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gettextStrings = "".join(strings)
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return self.templates.GETTEXT_DUMMY_FUNC % locals()
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#-------------------------------------------------------------------
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def GenerateInitResourcesEmbedded(self, resourceFilename, resourceDocument):
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outputList = []
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outputList.append(self.templates.INIT_RESOURE_HEADER)
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files = []
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resourcePath = os.path.split(resourceFilename)[0]
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memoryPath = self.GetMemoryFilename(os.path.splitext(os.path.split(resourceFilename)[1])[0])
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resourceFilename = self.GetMemoryFilename(os.path.split(resourceFilename)[1])
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self.ReplaceFilenamesInXRC(resourceDocument.firstChild, files, resourcePath)
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filename = resourceFilename
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fileData = resourceDocument.toxml()
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outputList.append(self.templates.FILE_AS_STRING % locals())
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for f in files:
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filename = self.GetMemoryFilename(f)
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fileData = self.FileToString(os.path.join(resourcePath, f))
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outputList.append(self.templates.FILE_AS_STRING % locals())
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outputList.append(self.templates.PREPARE_MEMFS % locals())
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for f in [resourceFilename] + files:
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filename = self.GetMemoryFilename(f)
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outputList.append(self.templates.ADD_FILE_TO_MEMFS % locals())
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outputList.append(self.templates.LOAD_RES_MEMFS % locals())
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return "".join(outputList)
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#-------------------------------------------------------------------
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def GenerateInitResourcesFile(self, resourceFilename, resourceDocument):
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# take only the filename portion out of resourceFilename
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resourceFilename = os.path.split(resourceFilename)[1]
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outputList = []
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outputList.append(self.templates.INIT_RESOURE_HEADER)
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outputList.append(self.templates.LOAD_RES_FILE % locals())
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return "".join(outputList)
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#-------------------------------------------------------------------
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def GetMemoryFilename(self, filename):
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# Remove special chars from the filename
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return re.sub(r"[^A-Za-z0-9_]", "_", filename)
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#-------------------------------------------------------------------
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def FileToString(self, filename):
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outputList = []
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buffer = open(filename, "rb").read()
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fileLen = len(buffer)
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linelng = 0
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for i in xrange(fileLen):
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s = buffer[i]
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c = ord(s)
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if s == '\n':
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tmp = s
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linelng = 0
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elif c < 32 or c > 127 or s == "'":
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tmp = "\\x%02x" % c
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elif s == "\\":
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tmp = "\\\\"
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else:
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tmp = s
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if linelng > 70:
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linelng = 0
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outputList.append("\\\n")
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outputList.append(tmp)
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linelng += len(tmp)
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return "".join(outputList)
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#-------------------------------------------------------------------
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def NodeContainsFilename(self, node):
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""" Does 'node' contain filename information at all? """
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# Any bitmaps:
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if node.nodeName == "bitmap":
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return True
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if node.nodeName == "icon":
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return True
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# URLs in wxHtmlWindow:
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if node.nodeName == "url":
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return True
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# wxBitmapButton:
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parent = node.parentNode
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if parent.__class__ != minidom.Document and \
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parent.getAttribute("class") == "wxBitmapButton" and \
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(node.nodeName == "focus" or node.nodeName == "disabled" or
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node.nodeName == "selected"):
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return True
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# wxBitmap or wxIcon toplevel resources:
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if node.nodeName == "object":
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klass = node.getAttribute("class")
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if klass == "wxBitmap" or klass == "wxIcon":
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return True
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return False
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#-------------------------------------------------------------------
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def ReplaceFilenamesInXRC(self, node, files, resourcePath):
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""" Finds all files mentioned in resource file, e.g. <bitmap>filename</bitmap>
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and replaces them with the memory filenames.
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Fills a list of the filenames found."""
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# Is 'node' XML node element?
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if node is None: return
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if node.nodeType != minidom.Document.ELEMENT_NODE: return
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containsFilename = self.NodeContainsFilename(node);
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for n in node.childNodes:
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if (containsFilename and
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(n.nodeType == minidom.Document.TEXT_NODE or
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n.nodeType == minidom.Document.CDATA_SECTION_NODE)):
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filename = n.nodeValue
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memoryFilename = self.GetMemoryFilename(filename)
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n.nodeValue = memoryFilename
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if filename not in files:
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files.append(filename)
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# Recurse into children
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if n.nodeType == minidom.Document.ELEMENT_NODE:
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self.ReplaceFilenamesInXRC(n, files, resourcePath);
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#-------------------------------------------------------------------
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def FindStringsInNode(self, parent):
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def is_number(st):
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try:
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i = int(st)
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return True
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except ValueError:
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return False
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strings = []
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if parent is None:
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return strings;
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for child in parent.childNodes:
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if ((parent.nodeType == parent.ELEMENT_NODE) and
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# parent is an element, i.e. has subnodes...
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(child.nodeType == child.TEXT_NODE or
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child.nodeType == child.CDATA_SECTION_NODE) and
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# ...it is textnode...
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(
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parent.tagName == "label" or
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(parent.tagName == "value" and
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not is_number(child.nodeValue)) or
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parent.tagName == "help" or
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parent.tagName == "longhelp" or
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parent.tagName == "tooltip" or
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parent.tagName == "htmlcode" or
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parent.tagName == "title" or
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parent.tagName == "item"
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)):
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# ...and known to contain translatable string
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if (parent.getAttribute("translate") != "0"):
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strings.append(self.ConvertText(child.nodeValue))
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# subnodes:
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if child.nodeType == child.ELEMENT_NODE:
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strings += self.FindStringsInNode(child)
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return strings
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#-------------------------------------------------------------------
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def ConvertText(self, st):
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st2 = ""
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dt = list(st)
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skipNext = False
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for i in range(len(dt)):
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if skipNext:
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skipNext = False
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continue
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if dt[i] == '_':
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if dt[i+1] == '_':
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st2 += '_'
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skipNext = True
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else:
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st2 += '&'
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elif dt[i] == '\n':
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st2 += '\\n'
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elif dt[i] == '\t':
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st2 += '\\t'
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elif dt[i] == '\r':
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st2 += '\\r'
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elif dt[i] == '\\':
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if dt[i+1] not in ['n', 't', 'r']:
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st2 += '\\\\'
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else:
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st2 += '\\'
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elif dt[i] == '"':
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st2 += '\\"'
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else:
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st2 += dt[i]
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return st2
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#---------------------------------------------------------------------------
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def main(args):
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resourceFilename = ""
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outputFilename = ""
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embedResources = False
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generateGetText = False
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try:
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opts, args = getopt.gnu_getopt(args, "hego:", "help embed gettext output=".split())
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except getopt.GetoptError, e:
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print "\nError : %s\n" % str(e)
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print __doc__
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sys.exit(1)
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# If there is no input file argument, show help and exit
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if args:
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resourceFilename = args[0]
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else:
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print __doc__
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sys.exit(1)
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# Parse options and arguments
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for opt, val in opts:
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if opt in ["-h", "--help"]:
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print __doc__
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sys.exit(1)
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if opt in ["-o", "--output"]:
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outputFilename = val
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if opt in ["-e", "--embed"]:
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embedResources = True
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if opt in ["-g", "--gettext"]:
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generateGetText = True
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if outputFilename is None or outputFilename == "":
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outputFilename = os.path.splitext(resourceFilename)[0] + "_xrc.py"
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comp = XmlResourceCompiler()
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try:
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comp.MakePythonModule(resourceFilename, outputFilename, embedResources, generateGetText)
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except IOError, e:
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print >>sys.stderr, "%s." % str(e)
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else:
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if outputFilename != "-":
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print >>sys.stderr, "Resources written to %s." % outputFilename
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if __name__ == "__main__":
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main(sys.argv[1:])
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