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