Files
git-repo/fetch.py
T
Mike Frysinger e15b3e0298 style: use import urllib.xxx everywhere
Align with Google style guides and `import urllib.xxx` as a module
rather than import symbols out of it.

Change-Id: Ia177f4fd5ee2a3f38f8a8860e9a2ba8beac8078f
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/654804
Reviewed-by: Brian Gan <brgan@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
Commit-Queue: Mike Frysinger <vapier@google.com>
2026-11-06 11:56:05 -08:00

59 lines
1.9 KiB
Python

# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This module contains functions used to fetch files from various sources."""
import subprocess
import sys
import urllib.parse
import urllib.request
import error
class FetchFileError(error.RepoExitError):
"""Exit error when fetch_file fails."""
def fetch_file(url, verbose=False):
"""Fetch a file from the specified source using the appropriate protocol.
Returns:
The contents of the file as bytes.
"""
scheme = urllib.parse.urlparse(url).scheme
if scheme == "gs":
cmd = ["gcloud", "storage", "cat", url]
errors = []
try:
result = subprocess.run(
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, check=True
)
if result.stderr and verbose:
print(
'warning: non-fatal error running "gcloud storage": %s'
% result.stderr,
file=sys.stderr,
)
return result.stdout
except subprocess.CalledProcessError as e:
errors.append(e)
print(
'fatal: error running "gcloud storage": %s' % e.stderr,
file=sys.stderr,
)
raise FetchFileError(aggregate_errors=errors)
with urllib.request.urlopen(url) as f:
return f.read()