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Copy pathupdate_requirements.py
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executable file
·74 lines (56 loc) · 2.08 KB
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#!/usr/bin/env python
# Copyright (C) 2013 Google Inc.
#
# 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.
"""
Updates dependencies in requirements.txt to the latest version.
"""
import argparse
from pip.req.req_file import parse_requirements
from pkg_resources import Requirement
import requests
def get_package_info(package):
url = 'https://pypi.python.org/pypi/{}/json'.format(package)
r = requests.get(url)
r.raise_for_status()
return r.json()['info']
def read_requirements(req_file):
return [x.req for x in parse_requirements(req_file, session={})]
def update_req(req):
info = get_package_info(req.project_name)
newest_version = info['version']
current_spec = req.specs[0] if req.specs else ('==', 'unspecified')
new_spec = ('==', newest_version)
if current_spec != new_spec:
newreq = Requirement(req.unsafe_name, [new_spec], req.extras)
print('Updated {} from {} -> {}'.format(
req.project_name,
current_spec[1],
newest_version))
return newreq
return req
def write_requirements(reqs, req_file):
with open(req_file, 'w') as f:
for req in reqs:
f.write('{}\n'.format(req))
def main(req_file):
reqs = read_requirements(req_file)
reqs = [update_req(req) for req in reqs]
write_requirements(reqs, req_file)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'requirements_file',
help='Path the the requirements.txt file to update.')
args = parser.parse_args()
main(args.requirements_file)