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# -*- Mode: Python -*-
# GObject-Introspection - a framework for introspecting GObject libraries
# Copyright (C) 2008 Johan Dahlin
#
# 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 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., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
import imp
import os
import platform
import sys
from .utils import extract_libtool
class LibtoolImporter(object):
def __init__(self, name, path):
self.name = name
self.path = path
@classmethod
def find_module(cls, name, packagepath=None):
modparts = name.split('.')
filename = modparts.pop() + '.la'
# Given some.package.module 'path' is where subpackages of some.package
# should be looked for. See if we can find a ".libs/module.la" relative
# to those directories and failing that look for file
# "some/package/.libs/module.la" relative to sys.path
if len(modparts) > 0:
modprefix = os.path.join(*modparts)
modprefix = os.path.join(modprefix, '.libs')
else:
modprefix = '.libs'
for path in sys.path:
full = os.path.join(path, modprefix, filename)
if os.path.exists(full):
return cls(name, full)
def load_module(self, name):
realpath = extract_libtool(self.path)
platform_system = platform.system()
if platform_system == 'Darwin':
extension = '.dylib'
elif platform_system == 'Windows':
extension = '.dll'
else:
extension = '.so'
mod = imp.load_module(name, open(realpath), realpath, (extension, 'rb', 3))
mod.__loader__ = self
return mod
@classmethod
def __enter__(cls):
sys.meta_path.append(cls)
@classmethod
def __exit__(cls, type, value, traceback):
sys.meta_path.remove(cls)
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