diff --git a/openstack_requirements/cmds/check_py2.py b/openstack_requirements/cmds/check_py2.py new file mode 100755 index 0000000000..432222168d --- /dev/null +++ b/openstack_requirements/cmds/check_py2.py @@ -0,0 +1,78 @@ +#! /usr/bin/env python + +# 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. + +from __future__ import print_function + +import argparse + +import pkg_resources +import requests + + +_url_template = 'https://pypi.python.org/pypi/{dist}/{version}/json' + + +def _get_metadata(dist, version): + try: + url = _url_template.format(dist=dist, version=version) + response = requests.get(url) + return response.json() + except ValueError: + return {} + + +def main(): + parser = argparse.ArgumentParser() + parser.add_argument( + '--verbose', '-v', + default=False, + action='store_true', + help='turn on noisy output', + ) + parser.add_argument( + '--requirements', + default='upper-constraints.txt', + help='the list of constrained requirements to check', + ) + args = parser.parse_args() + + for line in open(args.requirements, 'r'): + try: + req = pkg_resources.Requirement.parse(line) + except ValueError: + # Assume this is a comment and skip it. + continue + # req.specifier is a set so we can't get an item out of it + # directly. Turn it into a list and take the first (and only) + # value. That gives us an _IndividualSpecifier which has a + # version attribute that is not smart enough to filter out the + # selector value for things like python version, so drop + # anything after the first semicolon. + version = list(req.specifier)[0].version.split(';')[0] + data = _get_metadata(req.project_name, version) + classifiers = data.get('info', {}).get('classifiers', []) + for classifier in classifiers: + if classifier.startswith('Programming Language :: Python :: 2'): + if args.verbose: + print('{}==={} {!r}'.format( + req.project_name, version, classifier)) + break + else: + print('\nNo "Python :: 2" classifier found for {}==={}'.format( + req.project_name, version)) + for classifier in classifiers: + print(' {}'.format(classifier)) + +if __name__ == '__main__': + main() diff --git a/setup.cfg b/setup.cfg index 90a02f4abe..7a0925546d 100644 --- a/setup.cfg +++ b/setup.cfg @@ -39,3 +39,4 @@ console_scripts = validate-constraints = openstack_requirements.cmds.validate:main validate-projects = openstack_requirements.cmds.validate_projects:main normalize-requirements = openstack_requirements.cmds.normalize_requirements:main + check-python2-support = openstack_requirements.cmds.check_py2:main \ No newline at end of file