AnyUnmarshaller use allOf schemas

Author: p1c2u

openapi_core/unmarshalling/schemas/unmarshallers.py

@@ -253,6 +253,10 @@ def __call__(self, value=NoValue):
         if one_of_schema:
             return self.unmarshallers_factory.create(one_of_schema)(value)
 
+        all_of_schema = self._get_all_of_schema(value)
+        if all_of_schema:
+            return self.unmarshallers_factory.create(all_of_schema)(value)
+
         for schema_type in self.SCHEMA_TYPES_ORDER:
             unmarshaller = self.unmarshallers_factory.create(
                 self.schema, type_override=schema_type)
@@ -278,3 +282,17 @@ def _get_one_of_schema(self, value):
                 continue
             else:
                 return subschema
+
+    def _get_all_of_schema(self, value):
+        if not self.schema.all_of:
+            return
+        for subschema in self.schema.all_of:
+            if subschema.type == SchemaType.ANY:
+                continue
+            unmarshaller = self.unmarshallers_factory.create(subschema)
+            try:
+                unmarshaller.validate(value)
+            except ValidateError:
+                continue
+            else:
+                return subschema