| System: Linux server378.web-hosting.com 4.18.0-553.80.1.lve.el8.x86_64 #1 SMP Wed Oct 22 19:29:36 UTC 2025 x86_64 Current Path : /opt/alt/python37/lib/python3.7/site-packages/filelock/ |
| Current File : //opt/alt/python37/lib/python3.7/site-packages/filelock/_util.py |
from __future__ import annotations
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",
]