#!/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.

"""

Checks dependencies in requirements.txt to ensure they are the latest version.

"""

import argparse

import sys

from update_requirements import get_package_info, read_requirements

def check_req(req):

info = get_package_info(req.project_name)

newest_version = info['version']

current_spec = req.specs[0] if req.specs else ('==', 'unspecified')

if current_spec[1] != newest_version:

return req, newest_version

def main(req_file):

reqs = read_requirements(req_file)

outdated_reqs = filter(None, [check_req(req) for req in reqs])

if outdated_reqs:

for req in outdated_reqs:

print("{} is out of date, latest version is {}".format(*req))

sys.exit(1)

if __name__ == '__main__':

parser = argparse.ArgumentParser(description=__doc__)

parser.add_argument(

'requirements_file',

help='Path the the requirements.txt file to check.')

args = parser.parse_args()

main(args.requirements_file)