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/usr/local/lib/python3.6/site-packages/filelock

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File/Folder	Size	Actions
__init__.py	1.21 KB	Del OK
__pycache__	-	Del OK
_api.py	8.19 KB	Del OK
_error.py	362 B	Del OK
_soft.py	1.58 KB	Del OK
_unix.py	1.38 KB	Del OK
_util.py	558 B	Del OK
_windows.py	1.69 KB	Del OK
py.typed	0 B	Del OK
version.py	142 B	Del OK

Edit: _util.py

import os import stat def raise_on_exist_ro_file(filename: str) -> None: try: file_stat = os.stat(filename) # use stat to do exists + can write to check without race condition except OSError: return None # swallow does not exist or other errors if file_stat.st_mtime != 0: # if os.stat returns but modification is zero that's an invalid os.stat - ignore it if not (file_stat.st_mode & stat.S_IWUSR): raise PermissionError(f"Permission denied: {filename!r}") __all__ = [ "raise_on_exist_ro_file", ]
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