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7a1e7e772f
BUG=b:192664812 TEST=existing tests (no coverage), manual runs Change-Id: Ic032417ecfca77d5e0de1b1ff62b30ce8205bfc5 Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/318715 Tested-by: Jack Neus <jackneus@google.com> Reviewed-by: Mike Frysinger <vapier@google.com>
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
# Copyright (C) 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This module contains functions used to fetch files from various sources."""
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import subprocess
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import sys
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from urllib.parse import urlparse
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def fetch_file(url):
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"""Fetch a file from the specified source using the appropriate protocol.
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Returns:
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The contents of the file as bytes.
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"""
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scheme = urlparse(url).scheme
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if scheme == 'gs':
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cmd = ['gsutil', 'cat', url]
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try:
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result = subprocess.run(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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return result.stdout
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except subprocess.CalledProcessError as e:
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print('fatal: error running "gsutil": %s' % e.output,
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file=sys.stderr)
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sys.exit(1)
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if scheme == 'file':
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with open(url[len('file://'):], 'rb') as f:
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return f.read()
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raise ValueError('unsupported url %s' % url)
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