Make all the schema files yaml

event-schemas/check_examples.py

@@ -38,13 +38,12 @@ def check_example_file(examplepath, schemapath):
         schema = yaml.load(f)
 
     fileurl = "file://" + os.path.abspath(schemapath)
+    schema["id"] = fileurl
+    resolver = jsonschema.RefResolver(schemapath, schema, handlers={"file": load_yaml})
 
     print ("Checking schema for: %r %r" % (examplepath, schemapath))
-    # Setting the 'id' tells jsonschema where the file is so that it
-    # can correctly resolve relative $ref references in the schema
-    schema['id'] = fileurl
     try:
-        jsonschema.validate(example, schema)
+        jsonschema.validate(example, schema, resolver=resolver)
     except Exception as e:
         raise ValueError("Error validating JSON schema for %r %r" % (
             examplepath, schemapath
@@ -71,6 +70,15 @@ def check_example_dir(exampledir, schemadir):
     if errors:
         raise ValueError("Error validating examples")
 
+
+def load_yaml(path):
+    if not path.startswith("file:///"):
+        raise Exception("Bad ref: %s" % (path,))
+    path = path[len("file://"):]
+    with open(path, "r") as f:
+        return yaml.load(f)
+
+
 if __name__ == '__main__':
     try:
         check_example_dir("examples", "schema")