impuls/lib/python3.11/site-packages/fixtures/_fixtures/packagepath.py

48 lines
1.5 KiB
Python

# fixtures: Fixtures with cleanups for testing and convenience.
#
# Copyright (c) 2011, Robert Collins <robertc@robertcollins.net>
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
__all__ = [
'PackagePathEntry'
]
import sys
from fixtures import Fixture
class PackagePathEntry(Fixture):
"""Add a path to the path of a python package.
The python package needs to be already imported.
If this new path is already in the packages __path__ list then the __path__
list will not be altered.
"""
def __init__(self, packagename, directory):
"""Create a PackagePathEntry.
:param directory: The directory to add to the package.__path__.
"""
self.packagename = packagename
self.directory = directory
def _setUp(self):
path = sys.modules[self.packagename].__path__
if self.directory in path:
return
self.addCleanup(path.remove, self.directory)
path.append(self.directory)