1 # -*- Mode: Python; py-indent-offset: 4 -*-
2 # pygtk - Python bindings for the GTK+ widget set.
3 # Copyright (C) 1998-2002 James Henstridge
5 # pygtk.py: pygtk version selection code.
7 # This library is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU Lesser General Public License as published by
9 # the Free Software Foundation; either version 2.1 of the License, or
10 # (at your option) any later version.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public License
18 # along with this library; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
30 _our_dir = os.path.dirname(os.path.abspath(os.path.normpath(__file__)))
31 _pygtk_2_0_dir = os.path.normpath('%s/gtk-2.0' % _our_dir)
33 _pygtk_dir_pat = 'gtk-[0-9].[0-9]'
35 _pygtk_required_version = None
37 def _get_available_versions():
43 if not os.path.isdir(dir):
46 # if the dir is a pygtk dir, skip it
47 if fnmatch.fnmatchcase(os.path.basename(dir), _pygtk_dir_pat):
50 for filename in glob.glob(os.path.join(dir, _pygtk_dir_pat)):
51 pathname = os.path.join(dir, filename)
53 # skip non directories
54 if not os.path.isdir(pathname):
57 # skip empty directories
58 if not os.listdir(pathname):
61 if not versions.has_key(filename[-3:]):
62 versions[filename[-3:]] = pathname
66 if _pygtk_2_0_dir not in sys.path:
67 sys.path.insert(0, _pygtk_2_0_dir)
73 global _pygtk_required_version
75 if _pygtk_required_version != None:
76 assert _pygtk_required_version == version, \
77 "a different version of gtk was already required"
80 assert not sys.modules.has_key('gtk'), \
81 "pygtk.require() must be called before importing gtk"
83 versions = _get_available_versions()
84 assert versions.has_key(version), \
85 "required version '%s' not found on system" % version
87 # remove any pygtk dirs first ...
89 if fnmatch.fnmatchcase(os.path.basename(dir), _pygtk_dir_pat):
92 # prepend the pygtk path ...
93 sys.path.insert(0, versions[version])
95 _pygtk_required_version = version