Add Orjson renderer and parser for drf (#816)

* Add orjson-renderer

* upd uv lock and sorted pyproject

* Custom parser/renderer

Author: da-maltsev

{{ cookiecutter.name }}/pyproject.toml

@@ -19,6 +19,7 @@ dependencies = [
     "djangorestframework-camel-case>=1.4.2",
     "djangorestframework-simplejwt[crypto]>=5.5.0",
     "djangorestframework>=3.15.2",
+    "drf-orjson-renderer>=1.7.3",
     "drf-spectacular[sidecar]>=0.28.0",
     "pillow>=11.2.1",
     "psycopg[binary]>=3.2.6",
@@ -224,6 +225,7 @@ module = [
     "celery.*",
     "django_filters.*",
     "djangorestframework_camel_case.*",
+    "drf_orjson_renderer.*",
     "ipware.*",
     "mixer.*",
 ]

{{ cookiecutter.name }}/src/app/api/parsers.py

@@ -0,0 +1,21 @@
+from typing import IO, Any
+
+from djangorestframework_camel_case.settings import api_settings
+from djangorestframework_camel_case.util import underscoreize
+from drf_orjson_renderer.parsers import ORJSONParser
+from rest_framework.exceptions import ParseError
+
+
+class AppJSONParser(ORJSONParser):
+    """Combination of ORJSONParser and CamelCaseJSONParser"""
+
+    # djangorestframework_camel_case parameter
+    # details: https://github.com/vbabiy/djangorestframework-camel-case?tab=readme-ov-file#underscoreize-options
+    json_underscoreize = api_settings.JSON_UNDERSCOREIZE
+
+    def parse(self, stream: IO[Any], media_type: Any = None, parser_context: Any = None) -> Any:
+        try:
+            data = super().parse(stream, media_type, parser_context)
+            return underscoreize(data, **self.json_underscoreize)
+        except ValueError as exc:
+            raise ParseError(f"JSON parse error - {exc}")

{{ cookiecutter.name }}/src/app/api/renderers.py

@@ -1,6 +1,14 @@
-from djangorestframework_camel_case.render import CamelCaseJSONRenderer
+from typing import Any
 
+from djangorestframework_camel_case.util import camelize
+from drf_orjson_renderer.renderers import ORJSONRenderer
+
+
+class AppJSONRenderer(ORJSONRenderer):
+    """Combination of CamelCaseJSONRenderer and ORJSONRenderer"""
 
-class AppJSONRenderer(CamelCaseJSONRenderer):
     charset = "utf-8"  # force DRF to add charset header to the content-type
     json_underscoreize = {"no_underscore_before_number": True}  # https://github.com/vbabiy/djangorestframework-camel-case#underscoreize-options
+
+    def render(self, data: Any, *args: Any, **kwargs: Any) -> bytes:
+        return super().render(camelize(data, **self.json_underscoreize), *args, **kwargs)

{{ cookiecutter.name }}/src/app/conf/api.py

@@ -18,7 +18,7 @@
         "app.api.renderers.AppJSONRenderer",
     ],
     "DEFAULT_PARSER_CLASSES": [
-        "djangorestframework_camel_case.parser.CamelCaseJSONParser",
+        "app.api.parsers.AppJSONParser",
         "djangorestframework_camel_case.parser.CamelCaseMultiPartParser",
         "djangorestframework_camel_case.parser.CamelCaseFormParser",
     ],