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shim: retry downloads on transient network errors (#41)

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This commit is contained in:
Adeeb Shihadeh
2026-03-01 16:26:21 -08:00
committed by GitHub
parent 21bb9ab18e
commit 61379f09ec
1 changed files with 12 additions and 1 deletions
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13
_shim_setup.py
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@@ -1,8 +1,10 @@
"""Shim setup.py: downloads pre-built wheels from GitHub Releases at install time.""" """Shim setup.py: downloads pre-built wheels from GitHub Releases at install time."""
import os import os
import platform import platform
import time
import zipfile import zipfile
from io import BytesIO from io import BytesIO
from urllib.error import URLError
from urllib.request import urlopen from urllib.request import urlopen
try: try:
@@ -45,7 +47,16 @@ class InstallPrebuilt(build_py):
url = f"{REPO_URL}/releases/download/{TAG}/{whl_name}" url = f"{REPO_URL}/releases/download/{TAG}/{whl_name}"
print(f"Downloading {url} ...") print(f"Downloading {url} ...")
raw = urlopen(url).read() for attempt in range(3):
try:
raw = urlopen(url, timeout=60).read()
break
except (URLError, OSError) as e:
if attempt == 2:
raise
wait = 2 ** attempt
print(f"Download failed ({e}), retrying in {wait}s ...")
time.sleep(wait)
print(f"Extracting {DATADIR} ...") print(f"Extracting {DATADIR} ...")
with zipfile.ZipFile(BytesIO(raw)) as zf: with zipfile.ZipFile(BytesIO(raw)) as zf: