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bpo-45055: Add retry when downloading externals on Windows (GH-28399)

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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
(cherry picked from commit ef9e22b253)

Co-authored-by: Steve Dower <steve.dower@python.org>
This commit is contained in:
Miss Islington (bot) 2021-09-20 07:58:29 -07:00 • committed by GitHub
parent 3d16fc90ce
commit ee41d01326
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1 changed files with 18 additions and 1 deletions
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19
PCbuild/get_external.py
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@ -3,6 +3,8 @@
import argparse
import os
import pathlib
import sys
import time
import zipfile
from urllib.request import urlretrieve
@ -53,7 +55,22 @@ def main():
verbose=args.verbose,
)
final_name = args.externals_dir / args.tag
extract_zip(args.externals_dir, zip_path).replace(final_name)
extracted = extract_zip(args.externals_dir, zip_path)
for wait in [1, 2, 3, 5, 8, 0]:
try:
extracted.replace(final_name)
break
except PermissionError as ex:
retry = f" Retrying in {wait}s..." if wait else ""
print(f"Encountered permission error '{ex}'.{retry}", file=sys.stderr)
time.sleep(wait)
else:
print(
f"ERROR: Failed to extract {final_name}.",
"You may need to restart your build",
file=sys.stderr,
)
sys.exit(1)
if __name__ == '__main__':