2 ##############################################################################
3 # Copyright (c) 2018 Enea AB and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
9 """This module validates a PDF file against the schema."""
14 PARSER = argparse.ArgumentParser()
15 PARSER.add_argument("--yaml", "-y", type=str, required=True)
16 PARSER.add_argument("--schema", "-s", type=str, required=True)
17 ARGS = PARSER.parse_args()
19 with open(ARGS.yaml) as _:
20 _DICT = yaml.safe_load(_)
22 with open(ARGS.schema) as _:
23 _SCHEMA = yaml.safe_load(_)
25 # Draft 4 (latest supported by py-jsonschema) does not support value-based
26 # decisions properly, see related github issue:
27 # https://github.com/json-schema-org/json-schema-spec/issues/64
28 # Workaround: build 'version_x.y: true' on the fly based on 'version: x.y'
29 def schema_version_workaround(node):
30 """Traverse nested dictionaries and handle 'version' key where found."""
32 node['version_{0}'.format(node['version'])] = True
33 for item in node.items():
34 if type(item) is dict:
35 schema_version_workaround(item)
36 schema_version_workaround(_DICT)
38 schema_version_workaround(_DICT['idf'])
40 _VALIDATOR = jsonschema.Draft4Validator(_SCHEMA)
41 for error in _VALIDATOR.iter_errors(_DICT):
42 raise RuntimeError(str(error))