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61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2017, Michael Poehn <michael.poehn@fsfe.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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class TmpCwd():
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"""Context-manager for temporarily changing the current working
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directory.
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"""
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def __init__(self, new_cwd):
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self.new_cwd = new_cwd
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def __enter__(self):
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self.orig_cwd = os.getcwd()
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os.chdir(self.new_cwd)
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def __exit__(self, a, b, c):
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os.chdir(self.orig_cwd)
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class TmpPyPath():
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"""Context-manager for temporarily adding a direcory to python path
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"""
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def __init__(self, additional_path):
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self.additional_path = additional_path
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def __enter__(self):
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sys.path.append(self.additional_path)
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def __exit__(self, a, b, c):
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sys.path.remove(self.additional_path)
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def mock_open_to_str(mock):
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"""
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helper function for accessing all data written into a
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unittest.mock.mock_open() instance as a string.
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"""
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return "".join([
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x.args[0] for x in mock.mock_calls if str(x).startswith("call().write(")
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])
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