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#! /usr/bin/env python3
import github
import os
import sys
import time
RETRIES = 10
g = github.Github(os.environ["GITHUB_TOKEN"])
tag_name = os.environ["GITHUB_TAG"]
tag_prefix = "refs/tags/"
if tag_name.startswith(tag_prefix):
tag_name = tag_name[len(tag_prefix) :]
assert len(sys.argv) == 2
asset_path = sys.argv[1]
asset_name = os.path.basename(asset_path)
repo = g.get_repo(os.environ["GITHUB_REPOSITORY"])
tags = list(repo.get_tags())
for tag in tags:
if tag.name == tag_name:
break
else:
raise RuntimeError("no tag named " + repr(tag_name))
try:
print("Creating GitHub release for tag " + repr(tag_name) + "...")
repo.create_git_release(tag_name, tag_name, tag.commit.commit.message)
except github.GithubException as github_error:
if github_error.data["errors"][0]["code"] == "already_exists":
print("Release for tag " + repr(tag_name) + " already exists.")
else:
raise
def get_release():
for i in range(RETRIES):
releases = list(repo.get_releases())
for release in releases:
if release.tag_name == tag_name:
return release
print(f"Release for tag {repr(tag_name)} not found. Retrying...")
time.sleep(1)
raise RuntimeError("no release for tag " + repr(tag_name))
release = get_release()
print("Uploading " + repr(asset_path) + "...")
for i in range(RETRIES):
try:
print("Upload attempt #{} of {}...".format(i + 1, RETRIES))
release.upload_asset(asset_path)
break
except github.GithubException as github_error:
# Unfortunately the asset upload API is flaky. Even worse, it often
# partially succeeds, returning an error to the caller but leaving the
# release in a state where subsequent uploads of the same asset will
# fail with an "already_exists" error. (Though the asset is not visible
# on github.com, so we can't just declare victory and move on.) If we
# detect this case, explicitly delete the asset and continue retrying.
print(github_error)
for asset in release.get_assets():
if asset.name == asset_name:
print("Found uploaded asset after failure. Deleting...")
asset.delete_asset()
else:
raise RuntimeError("All upload attempts failed.")
print("Success!")
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