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# fixtures: Fixtures with cleanups for testing and convenience.
#
# Copyright (c) 2010, 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__ = [
'NestedTempfile',
'TempDir',
]
import os
import shutil
import tempfile
import fixtures
class TempDir(fixtures.Fixture):
"""Create a temporary directory.
:ivar path: The path of the temporary directory.
"""
def __init__(self, rootdir=None):
"""Create a TempDir.
:param rootdir: If supplied force the temporary directory to be a
child of rootdir.
"""
self.rootdir = rootdir
def setUp(self):
super(TempDir, self).setUp()
self.path = tempfile.mkdtemp(dir=self.rootdir)
self.addCleanup(shutil.rmtree, self.path, ignore_errors=True)
def join(self, *children):
"""Return an absolute path, given one relative to this ``TempDir``.
WARNING: This does not do any checking of ``children`` to make sure
they aren't walking up the tree using path segments like '..' or
'/usr'. Use at your own risk.
"""
return os.path.abspath(os.path.join(self.path, *children))
class NestedTempfile(fixtures.Fixture):
"""Nest all temporary files and directories inside another directory.
This temporarily monkey-patches the default location that the `tempfile`
package creates temporary files and directories in to be a new temporary
directory. This new temporary directory is removed when the fixture is torn
down.
"""
def setUp(self):
super(NestedTempfile, self).setUp()
tempdir = self.useFixture(TempDir()).path
patch = fixtures.MonkeyPatch("tempfile.tempdir", tempdir)
self.useFixture(patch)
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