#!/usr/bin/env python # # Copyright (C) 2009, Florian Hoech # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA """ winresource.py Read and write resources from/to Win32 PE files. Commandline usage: winresource.py Updates or adds resources from file in file . 2009-03 Florian Hoech """ import os.path import pywintypes import win32api silent = False # True suppresses all messages LOAD_LIBRARY_AS_DATAFILE = 2 ERROR_BAD_EXE_FORMAT = 193 ERROR_RESOURCE_DATA_NOT_FOUND = 1812 ERROR_RESOURCE_TYPE_NOT_FOUND = 1813 ERROR_RESOURCE_NAME_NOT_FOUND = 1814 ERROR_RESOURCE_LANG_NOT_FOUND = 1815 class File(object): """ Win32 PE file class. """ def __init__(self, filename): self.filename = filename def get_resources(self, types=None, names=None, languages=None): """ Get resources. types = a list of resource types to search for (None = all) names = a list of resource names to search for (None = all) languages = a list of resource languages to search for (None = all) Return a dict of the form {type_: {name: {language: data}}} which might also be empty if no matching resources were found. """ return GetResources(self.filename, types, names, languages) def update_resources(self, data, type_, names=None, languages=None): """ Update or add resource data. type_ = resource type to update names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ UpdateResources(self.filename, data, type_, names, languages) def update_resources_from_datafile(self, srcpath, type_, names=None, languages=None): """ Update or add resource data from file srcpath. type_ = resource type to update names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ UpdateResourcesFromDataFile(self.filename, srcpath, type_, names, languages) def update_resources_from_dict(self, res, types=None, names=None, languages=None): """ Update or add resources from resource dict. types = a list of resource types to update (None = all) names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ UpdateResourcesFromDict(self.filename, res, types, names, languages) def update_resources_from_resfile(self, srcpath, types=None, names=None, languages=None): """ Update or add resources from dll/exe file srcpath. types = a list of resource types to update (None = all) names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ UpdateResourcesFromResFile(self.filename, srcpath, types, names, languages) def _GetResources(hsrc, types=None, names=None, languages=None): """ Get resources from hsrc. types = a list of resource types to search for (None = all) names = a list of resource names to search for (None = all) languages = a list of resource languages to search for (None = all) Return a dict of the form {type_: {name: {language: data}}} which might also be empty if no matching resources were found. """ res = {} try: # print "I: Enumerating resource types" enum_types = win32api.EnumResourceTypes(hsrc) if types and not "*" in types: enum_types = filter(lambda type_: type_ in types, enum_types) for type_ in enum_types: # print "I: Enumerating resources of type", type_ enum_names = win32api.EnumResourceNames(hsrc, type_) if names and not "*" in names: enum_names = filter(lambda name: name in names, enum_names) for name in enum_names: # print "I: Enumerating resources of type", type_, "name", name enum_languages = win32api.EnumResourceLanguages(hsrc, type_, name) if languages and not "*" in languages: enum_languages = filter(lambda language: language in languages, enum_languages) for language in enum_languages: data = win32api.LoadResource(hsrc, type_, name, language) if not type_ in res: res[type_] = {} if not name in res[type_]: res[type_][name] = {} res[type_][name][language] = data except pywintypes.error, exception: if exception.args[0] in (ERROR_RESOURCE_DATA_NOT_FOUND, ERROR_RESOURCE_TYPE_NOT_FOUND, ERROR_RESOURCE_NAME_NOT_FOUND, ERROR_RESOURCE_LANG_NOT_FOUND): # print "I:", exception.args[1] + ":", \ # exception.args[2] pass else: raise exception return res def GetResources(filename, types=None, names=None, languages=None): """ Get resources from dll/exe file. types = a list of resource types to search for (None = all) names = a list of resource names to search for (None = all) languages = a list of resource languages to search for (None = all) Return a dict of the form {type_: {name: {language: data}}} which might also be empty if no matching resources were found. """ hsrc = win32api.LoadLibraryEx(filename, 0, LOAD_LIBRARY_AS_DATAFILE) res = _GetResources(hsrc, types, names, languages) win32api.FreeLibrary(hsrc) return res def UpdateResources(dstpath, data, type_, names=None, languages=None): """ Update or add resource data in dll/exe file dstpath. type_ = resource type to update names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ # look for existing resources res = GetResources(dstpath, [type_], names, languages) # add type_, names and languages not already present in existing resources if not type_ in res and type_ != "*": res[type_] = {} if names: for name in names: if not name in res[type_] and name != "*": res[type_][name] = [] if languages: for language in languages: if not language in res[type_][name] and language != "*": res[type_][name].append(language) # add resource to destination, overwriting existing resources hdst = win32api.BeginUpdateResource(dstpath, 0) for type_ in res: for name in res[type_]: for language in res[type_][name]: if not silent: print "I: Updating resource type", type_, "name", name, \ "language", language win32api.UpdateResource(hdst, type_, name, data, language) win32api.EndUpdateResource(hdst, 0) def UpdateResourcesFromDataFile(dstpath, srcpath, type_, names=None, languages=None): """ Update or add resource data from file srcpath in dll/exe file dstpath. type_ = resource type to update names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ src = open(srcpath, "rb") data = src.read() src.close() UpdateResources(dstpath, data, type_, names, languages) def UpdateResourcesFromDict(dstpath, res, types=None, names=None, languages=None): """ Update or add resources from resource dict in dll/exe file dstpath. types = a list of resource types to update (None = all) names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ for type_ in res: if not types or type_ in types: for name in res[type_]: if not names or name in names: for language in res[type_][name]: if not languages or language in languages: UpdateResources(dstpath, res[type_][name][language], [type_], [name], [language]) def UpdateResourcesFromResFile(dstpath, srcpath, types=None, names=None, languages=None): """ Update or add resources from dll/exe file srcpath in dll/exe file dstpath. types = a list of resource types to update (None = all) names = a list of resource names to update (None = all) languages = a list of resource languages to update (None = all) """ res = GetResources(srcpath, types, names, languages) UpdateResourcesFromDict(dstpath, res)