Merge "Remove install-requirements script"
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#!/usr/bin/env python
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Generate and install requirements from stub file and source files."""
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import argparse
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import subprocess
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import sys
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import pip
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parser = argparse.ArgumentParser(description='Sync requirements.')
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parser.add_argument('--stub', metavar='STUBFILE',
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required=True,
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help="File with requirements stubs.")
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parser.add_argument('--source', metavar='SOURCE',
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required=True, action='append',
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help="Source file to sync requirements from. "
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"May be supplied several times.")
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parser.add_argument('-t', '--target', metavar='TARGET',
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required=True,
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help="Target file to write synced requirements to.")
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parser.add_argument('pipopts', metavar='PIP OPTIONS',
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nargs=argparse.REMAINDER,
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help='Options to pass to "pip install".')
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args = parser.parse_args()
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sources = {}
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for requirements_file in args.source:
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rqs = pip.req.req_file.parse_requirements(requirements_file,
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session=False)
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sources.update({s.name: s for s in rqs})
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stubs = list(pip.req.req_file.parse_requirements(args.stub,
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session=False))
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reqs = []
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for r in stubs:
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if r.name in sources:
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# safe-guard for future additions to stub file
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if r.specifier:
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sys.exit("ERROR: package '%(pkg)s' in stub file %(stub)s "
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"has version specified but is also present "
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"in provided sources requirements. "
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"Please remove version from the stub file." % {
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'pkg': r.name, 'stub': args.stub})
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reqs.append(sources[r.name])
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else:
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reqs.append(r)
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with open(args.target, 'w') as target:
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target.write('\n'.join([str(r.req) for r in reqs]))
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pip_install = ['pip', 'install', '-r', args.target]
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pip_install.extend(args.pipopts)
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sys.exit(subprocess.call(pip_install))
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