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# 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.
"""Tool to check policy file differeneces."""
import argparse
import yaml
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--old', required=True,
help='Current policy file')
parser.add_argument('--new', required=True,
help='New policy file')
parser.add_argument('--mode',
choices=['add', 'remove'],
default='remove',
help='Diffs to be shown')
parsed_args = parser.parse_args()
with open(parsed_args.old) as f:
old_data = yaml.safe_load(f)
with open(parsed_args.new) as f:
new_data = yaml.safe_load(f)
added = set(new_data.keys()) - set(old_data.keys())
removed = set(old_data.keys()) - set(new_data.keys())
if parsed_args.mode == 'remove':
for key in sorted(removed):
print(key)
if parsed_args.mode == 'add':
for key in sorted(added):
print(key)
if __name__ == '__main__':
main()
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