Fix cyclic imports caused by DRF importing external renderer classes during import (#218)

Also update version to 9.5.6

Author: mofr

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [9.5.6] - 2022-06-16
+
+Fix cyclic imports caused by DRF importing external renderer classes during import
+
 ## [9.5.5] - 2022-06-13
 
 Generate titles for dataclass-generated openapi schemas

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "winter"
-version = "9.5.5"
+version = "9.5.6"
 homepage = "https://github.com/WinterFramework/winter"
 description = "Web Framework inspired by Spring Framework"
 authors = ["Alexander Egorov <[email protected]>"]

winter_django/view.py

@@ -3,11 +3,11 @@
 from typing import Any
 from typing import List
 from typing import Type
+from typing import TYPE_CHECKING
 
 import django.http
 import rest_framework.authentication
 import rest_framework.response
-import rest_framework.views
 from django.conf.urls import url
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.request import Request
@@ -30,6 +30,10 @@
 from winter.web.urls import rewrite_uritemplate_with_regexps
 
 
+if TYPE_CHECKING:
+    import rest_framework.views
+
+
 class SessionAuthentication(rest_framework.authentication.SessionAuthentication):
     """SessionAuthentication with supporting 401 status code"""
 
@@ -51,7 +55,9 @@ def create_django_urls(controller_class: Type) -> List:
     return django_urls
 
 
-def create_drf_view(controller_class: Type, routes: List[Route]) -> rest_framework.views.APIView:
+def create_drf_view(controller_class: Type, routes: List[Route]) -> 'rest_framework.views.APIView':
+    import rest_framework.views
+
     component = get_component(controller_class)
 
     class WinterView(rest_framework.views.APIView):