1 files changed, 46 insertions, 0 deletions
diff --git a/config/utils/validate_schema.py b/config/utils/validate_schema.py
new file mode 100755
index 00000000..1676e15d
--- /dev/null
+++ b/config/utils/validate_schema.py
@@ -0,0 +1,46 @@
+#!/usr/bin/python
+##############################################################################
+# Copyright (c) 2018 Enea AB and others.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+"""This module validates a PDF file against the schema."""
+import argparse
+import jsonschema
+import yaml
+
+
+PARSER = argparse.ArgumentParser()
+PARSER.add_argument("--yaml", "-y", type=str, required=True)
+PARSER.add_argument("--schema", "-s", type=str, required=True)
+ARGS = PARSER.parse_args()
+LOADER = yaml.CSafeLoader if yaml.__with_libyaml__ else yaml.SafeLoader
+
+with open(ARGS.yaml) as _:
+    _DICT = yaml.load(_, Loader=LOADER)
+
+with open(ARGS.schema) as _:
+    _SCHEMA = yaml.load(_, Loader=LOADER)
+
+
+def schema_version_workaround(node):
+    """Traverse nested dictionaries and handle 'version' key where found."""
+    if 'version' in node:
+        node['version_{0}'.format(node['version'])] = True
+    for item in node.items():
+        if type(item) is dict:
+            schema_version_workaround(item)
+
+# Draft 4 (latest supported by py-jsonschema) does not support value-based
+# decisions properly, see related github issue:
+# https://github.com/json-schema-org/json-schema-spec/issues/64
+# Workaround: build 'version_x.y: true' on the fly based on 'version: x.y'
+schema_version_workaround(_DICT)
+if 'idf' in _DICT:
+    schema_version_workaround(_DICT['idf'])
+
+_VALIDATOR = jsonschema.Draft4Validator(_SCHEMA)
+for error in _VALIDATOR.iter_errors(_DICT):
+    raise RuntimeError(str(error))