Current File : //proc/thread-self/root/usr/lib64/python2.7/site-packages/pygtk.py
# -*- Mode: Python; py-indent-offset: 4 -*-
# pygtk - Python bindings for the GTK+ widget set.
# Copyright (C) 1998-2002 James Henstridge
#
# pygtk.py: pygtk version selection code.
#
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# This library 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
# USA
import fnmatch
import glob
import os
import os.path
import sys
__all__ = ['require']
_our_dir = os.path.dirname(os.path.abspath(os.path.normpath(__file__)))
_pygtk_2_0_dir = os.path.normpath('%s/gtk-2.0' % _our_dir)
_pygtk_dir_pat = 'gtk-[0-9].[0-9]'
_pygtk_required_version = None
def _get_available_versions():
versions = {}
for dir in sys.path:
if not dir:
dir = os.getcwd()
if not os.path.isdir(dir):
continue
# if the dir is a pygtk dir, skip it
if fnmatch.fnmatchcase(os.path.basename(dir), _pygtk_dir_pat):
continue
for filename in glob.glob(os.path.join(dir, _pygtk_dir_pat)):
pathname = os.path.join(dir, filename)
# skip non directories
if not os.path.isdir(pathname):
continue
# skip empty directories
if not os.listdir(pathname):
continue
if not versions.has_key(filename[-3:]):
versions[filename[-3:]] = pathname
return versions
def require20():
if _pygtk_2_0_dir not in sys.path:
sys.path.insert(0, _pygtk_2_0_dir)
def require(version):
if version == '2.0':
return require20()
global _pygtk_required_version
if _pygtk_required_version != None:
assert _pygtk_required_version == version, \
"a different version of gtk was already required"
return
assert not sys.modules.has_key('gtk'), \
"pygtk.require() must be called before importing gtk"
versions = _get_available_versions()
assert versions.has_key(version), \
"required version '%s' not found on system" % version
# remove any pygtk dirs first ...
for dir in sys.path:
if fnmatch.fnmatchcase(os.path.basename(dir), _pygtk_dir_pat):
sys.path.remove(dir)
# prepend the pygtk path ...
sys.path.insert(0, versions[version])
_pygtk_required_version = version
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