36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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from pathlib import Path
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def ensure_file_does_not_exist_or_die(filepath: Path) -> None:
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"""
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If the file exists, unlink it.
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If the file path exists and is not a file an assert will trigger.
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If the file path does not exists nothing happens.
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"""
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if not filepath.exists():
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return
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if not filepath.is_file():
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# TODO(sergey): Provide information about what the filepath actually is.
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raise SystemExit(f'{filepath} is expected to be a file, but is not')
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filepath.unlink()
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