requirements/openstack_requirements/cmds/check_conflicts.py
Davanum Srinivas 9e0ff3a550 Check conflicts script
Use pkg_resources.require to report conflicts to ensure
co-installability.

Co-Authored-By: Igor Yozhikov <iyozhikov@mirantis.com>
Change-Id: I7443496b6a06d02bb9cc9457b729dea71451f44a
2016-06-02 16:24:00 -04:00

59 lines
1.8 KiB
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.
"""Apply validation rules to the various requirements lists.
"""
import argparse
import sys
import traceback
import pkg_resources
from openstack_requirements import requirement
def read_requirements_file(filename):
with open(filename, 'rt') as f:
body = f.read()
return requirement.parse(body)
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
'upper_constraints',
default='upper-constraints.txt',
help='path to the upper-constraints.txt file',
)
args = parser.parse_args()
error_count = 0
print('\nChecking %s' % args.upper_constraints)
upper_constraints = read_requirements_file(args.upper_constraints)
for name, spec_list in upper_constraints.items():
try:
if name:
print('Checking conflicts for %s' % name)
pyver = "python_version=='%s.%s'" % (sys.version_info[0],
sys.version_info[1])
for req, original_line in spec_list:
if req.markers in ["", pyver]:
pkg_resources.require(name)
except pkg_resources.ContextualVersionConflict:
traceback.print_exc(file=sys.stdout)
error_count += 1
return 1 if error_count else 0