| # Copyright 2020 Red Hat, Inc |
| # All Rights Reserved. |
| # |
| # 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. |
| |
| """ |
| Utility for content checking of a given dry_run.json file. |
| """ |
| |
| import argparse |
| import json |
| import sys |
| |
| |
| def get_parser(): |
| parser = argparse.ArgumentParser(__doc__) |
| parser.add_argument('--is-empty', action="store_true", dest='is_empty', |
| default=False, |
| help="""Are values of a given dry_run.json empty?""") |
| parser.add_argument('--file', dest='file', default=None, metavar='PATH', |
| help="A path to a dry_run.json file.") |
| return parser |
| |
| |
| def parse_arguments(): |
| parser = get_parser() |
| args = parser.parse_args() |
| if not args.file: |
| sys.stderr.write('Path to a dry_run.json must be specified.\n') |
| sys.exit(1) |
| return args |
| |
| |
| def load_json(path): |
| """Load json content from file addressed by path.""" |
| try: |
| with open(path, 'rb') as json_file: |
| json_data = json.load(json_file) |
| except Exception as ex: |
| sys.exit(ex) |
| return json_data |
| |
| |
| def are_values_empty(dry_run_content): |
| """Return true if values of dry_run.json are empty.""" |
| for value in dry_run_content.values(): |
| if value: |
| return False |
| return True |
| |
| |
| def main(): |
| args = parse_arguments() |
| content = load_json(args.file) |
| if args.is_empty: |
| if not are_values_empty(content): |
| sys.exit(1) |
| |
| |
| if __name__ == "__main__": |
| main() |