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#!/usr/bin/env python
# Copyright (C) 2015 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 downloads an NPM binary, and bundles it with its dependencies.
For full instructions on adding new binaries to the build, see
http://gerrit-review.googlesource.com/Documentation/dev-bazel.html#npm-binary
"""
from __future__ import print_function
import atexit
import json
import os
import shutil
import subprocess
import sys
import tarfile
import tempfile
def is_bundled(tar):
# No entries for directories, so scan for a matching prefix.
for entry in tar.getmembers():
if entry.name.startswith('package/node_modules/'):
return True
return False
def bundle_dependencies():
with open('package.json') as f:
package = json.load(f)
package['bundledDependencies'] = list(package['dependencies'].keys())
with open('package.json', 'w') as f:
json.dump(package, f)
def main(args):
if len(args) != 2:
print('Usage: %s <package> <version>' % sys.argv[0], file=sys.stderr)
return 1
name, version = args
filename = '%s-%s.tgz' % (name, version)
url = 'https://registry.npmjs.org/%s/-/%s' % (name, filename)
tmpdir = tempfile.mkdtemp()
tgz = os.path.join(tmpdir, filename)
atexit.register(lambda: shutil.rmtree(tmpdir))
subprocess.check_call(['curl', '--proxy-anyauth', '-ksfo', tgz, url])
with tarfile.open(tgz, 'r:gz') as tar:
if is_bundled(tar):
print('%s already has bundled node_modules' % filename)
return 1
tar.extractall(path=tmpdir)
oldpwd = os.getcwd()
os.chdir(os.path.join(tmpdir, 'package'))
bundle_dependencies()
subprocess.check_call(['npm', 'install'])
subprocess.check_call(['npm', 'pack'])
shutil.copy(filename, os.path.join(oldpwd, filename))
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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