change all of the MeshMessages c-models from dataclasses to pydantic

src/c3nav/api/utils.py

@@ -1,52 +1,5 @@
-from typing import Annotated, Any, Type
+from typing import Annotated
 
 import annotated_types
-from pydantic import GetCoreSchemaHandler, GetJsonSchemaHandler
-from pydantic.json_schema import JsonSchemaValue
-from pydantic_core import CoreSchema, core_schema
-
-
-def get_api_post_data(request):
-    is_json = request.META.get('CONTENT_TYPE').lower() == 'application/json'
-    if is_json:
-        try:
-            data = request.json_body
-        except AttributeError:
-            pass  # todo fix this raise ParseError('Invalid JSON.')
-        return data
-    return request.POST
-
-
-class EnumSchemaByNameMixin:
-    @classmethod
-    def __get_pydantic_json_schema__(
-        cls, core_schema: CoreSchema, handler: GetJsonSchemaHandler
-    ) -> JsonSchemaValue:
-        json_schema = handler(core_schema)
-        json_schema = handler.resolve_ref_schema(json_schema)
-        json_schema["enum"] = [m.name for m in cls]
-        json_schema["type"] = "string"
-        return json_schema
-
-    @classmethod
-    def __get_pydantic_core_schema__(
-        cls, source: Type[Any], handler: GetCoreSchemaHandler
-    ) -> core_schema.CoreSchema:
-        return core_schema.no_info_after_validator_function(
-            cls.validate,
-            core_schema.any_schema(),
-            serialization=core_schema.plain_serializer_function_ser_schema(lambda x: x.name),
-        )
-
-    @classmethod
-    def validate(cls, v: int):
-        if isinstance(v, cls):
-            return v
-        try:
-            return cls[v]
-        except KeyError:
-            pass
-        return cls(v)
-
 
 NonEmptyStr = Annotated[str, annotated_types.MinLen(1)]