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#! /usr/bin/env python
# Copyright (C) 2005, Giovanni Bajo
# Based on previous work under copyright (c) 2002 McMillan Enterprises, Inc.
#
# 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, Fifth Floor, Boston, MA 02110-1301, USA
# This code is courtesy of Thomas Heller, who
# has kindly donated it to this project.
RT_ICON = 3
RT_GROUP_ICON = 14
LOAD_LIBRARY_AS_DATAFILE = 2
import struct
import types
try:
StringTypes = types.StringTypes
except AttributeError:
StringTypes = [ type("") ]
class Structure:
def __init__ (self):
size = self._sizeInBytes = struct.calcsize (self._format_)
self._fields_ = list (struct.unpack (self._format_, '\000' * size))
indexes = self._indexes_ = {}
for i in range (len (self._names_)):
indexes[self._names_[i]] = i
def dump (self):
print "I: DUMP of", self
for name in self._names_:
if name[0] != '_':
print "I: %20s = %s" % (name, getattr (self, name))
print
def __getattr__ (self, name):
if name in self._names_:
index = self._indexes_[name]
return self._fields_[index]
try:
return self.__dict__[name]
except KeyError:
raise AttributeError, name
def __setattr__ (self, name, value):
if name in self._names_:
index = self._indexes_[name]
self._fields_[index] = value
else:
self.__dict__[name] = value
def tostring (self):
return apply (struct.pack, [self._format_,] + self._fields_)
def fromfile (self, file):
data = file.read (self._sizeInBytes)
self._fields_ = list (struct.unpack (self._format_, data))
class ICONDIRHEADER (Structure):
_names_ = "idReserved", "idType", "idCount"
_format_ = "hhh"
class ICONDIRENTRY (Structure):
_names_ = "bWidth", "bHeight", "bColorCount", "bReserved", "wPlanes", "wBitCount", "dwBytesInRes", "dwImageOffset"
_format_ = "bbbbhhii"
class GRPICONDIR (Structure):
_names_ = "idReserved", "idType", "idCount"
_format_ = "hhh"
class GRPICONDIRENTRY (Structure):
_names_ = "bWidth", "bHeight", "bColorCount", "bReserved", "wPlanes", "wBitCount", "dwBytesInRes", "nID"
_format_ = "bbbbhhih"
class IconFile:
def __init__ (self, path):
self.path = path
file = open (path, "rb")
self.entries = []
self.images = []
header = self.header = ICONDIRHEADER()
header.fromfile (file)
for i in range (header.idCount):
entry = ICONDIRENTRY()
entry.fromfile (file)
self.entries.append (entry)
for e in self.entries:
file.seek (e.dwImageOffset, 0)
self.images.append (file.read (e.dwBytesInRes))
def grp_icon_dir (self):
return self.header.tostring()
def grp_icondir_entries (self, id=1):
data = ""
for entry in self.entries:
e = GRPICONDIRENTRY()
for n in e._names_[:-1]:
setattr(e, n, getattr (entry, n))
e.nID = id
id = id + 1
data = data + e.tostring()
return data
def CopyIcons_FromIco (dstpath, srcpath, id=1):
import win32api #, win32con
icons = map(IconFile, srcpath)
print "I: Updating icons from", srcpath, "to", dstpath
hdst = win32api.BeginUpdateResource (dstpath, 0)
iconid = 1
for i in range(len(icons)):
f = icons[i]
data = f.grp_icon_dir()
data = data + f.grp_icondir_entries(iconid)
win32api.UpdateResource (hdst, RT_GROUP_ICON, i, data)
print "I: Writing RT_GROUP_ICON %d resource with %d bytes" % (i, len(data))
for data in f.images:
win32api.UpdateResource (hdst, RT_ICON, iconid, data)
print "I: Writing RT_ICON %d resource with %d bytes" % (iconid, len (data))
iconid = iconid + 1
win32api.EndUpdateResource (hdst, 0)
def CopyIcons (dstpath, srcpath):
import os.path, string
if type(srcpath) in StringTypes:
srcpath = [ srcpath ]
def splitter(s):
try:
srcpath, index = map(string.strip, string.split(s, ','))
return srcpath, int(index)
except ValueError:
return s, None
srcpath = map(splitter, srcpath)
print "I: SRCPATH", srcpath
if len(srcpath) > 1:
# At the moment, we support multiple icons only from .ico files
srcs = []
for s in srcpath:
e = os.path.splitext(s[0])[1]
if string.lower(e) != '.ico':
raise ValueError, "multiple icons supported only from .ico files"
if s[1] is not None:
raise ValueError, "index not allowed for .ico files"
srcs.append(s[0])
return CopyIcons_FromIco(dstpath, srcs)
srcpath,index = srcpath[0]
srcext = os.path.splitext(srcpath)[1]
if string.lower (srcext) == '.ico':
return CopyIcons_FromIco (dstpath, [srcpath])
if index is not None:
print "I: Updating icons from", srcpath, ", %d to" % index, dstpath
else:
print "I: Updating icons from", srcpath, "to", dstpath
import win32api #, win32con
hdst = win32api.BeginUpdateResource (dstpath, 0)
hsrc = win32api.LoadLibraryEx (srcpath, 0, LOAD_LIBRARY_AS_DATAFILE)
if index is None:
grpname = win32api.EnumResourceNames (hsrc, RT_GROUP_ICON)[0]
elif index >= 0:
grpname = win32api.EnumResourceNames (hsrc, RT_GROUP_ICON)[index]
else:
grpname = -index
data = win32api.LoadResource (hsrc, RT_GROUP_ICON, grpname)
win32api.UpdateResource (hdst, RT_GROUP_ICON, grpname, data)
for iconname in win32api.EnumResourceNames (hsrc, RT_ICON):
data = win32api.LoadResource (hsrc, RT_ICON, iconname)
win32api.UpdateResource (hdst, RT_ICON, iconname, data)
win32api.FreeLibrary (hsrc)
win32api.EndUpdateResource (hdst, 0)
if __name__ == "__main__":
import sys
dstpath = sys.argv[1]
srcpath = sys.argv[2:]
CopyIcons(dstpath, srcpath)
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