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52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
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#!/usr/bin/env python
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"""Checks for link behavior required for sdist to retain symlinks."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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import platform
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import shutil
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import sys
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import tempfile
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def main():
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"""Main program entry point."""
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temp_dir = tempfile.mkdtemp()
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target_path = os.path.join(temp_dir, 'file.txt')
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symlink_path = os.path.join(temp_dir, 'symlink.txt')
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hardlink_path = os.path.join(temp_dir, 'hardlink.txt')
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try:
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with open(target_path, 'w'):
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pass
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os.symlink(target_path, symlink_path)
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os.link(symlink_path, hardlink_path)
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if not os.path.islink(symlink_path):
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abort('Symbolic link not created.')
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if not os.path.islink(hardlink_path):
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# known issue on MacOS (Darwin)
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abort('Hard link of symbolic link created as a regular file.')
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finally:
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shutil.rmtree(temp_dir)
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def abort(reason):
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"""
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:type reason: str
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"""
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sys.exit('ERROR: %s\n'
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'This will prevent symbolic links from being preserved in the resulting tarball.\n'
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'Aborting creation of sdist on platform: %s'
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% (reason, platform.system()))
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if __name__ == '__main__':
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main()
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