Подготовить skeleton лабораторной 3 по мессенджеру

scripts/validate_openapi.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+"""Full OpenAPI and JSON Schema checks; install requirements-dev.txt first."""
+import json
+from pathlib import Path
+from openapi_spec_validator import validate
+from jsonschema import Draft202012Validator
+
+root = Path(__file__).resolve().parents[1]
+spec = json.loads((root/'contracts/openapi.json').read_text())
+validate(spec)
+from referencing import Registry, Resource
+# The base URI resolves local #/components references inside examples.
+resource = dict(spec, **{'$schema': 'https://json-schema.org/draft/2020-12/schema'})
+registry = Registry().with_resource('urn:mtusi:openapi', Resource.from_contents(resource))
+for name, example in json.loads((root/'contracts/examples.json').read_text()).items():
+    schema = {'$ref': 'urn:mtusi:openapi#/components/schemas/' + name}
+    Draft202012Validator(schema, registry=registry).validate(example)
+for path in (root/'contracts').glob('*.schema.json'):
+    schema = json.loads(path.read_text())
+    Draft202012Validator.check_schema(schema)
+    for example in schema.get('examples',[]):
+        Draft202012Validator(schema).validate(example)
+print('PASS: full OpenAPI 3.1 and JSON Schema validation; application NOT tested.')