Support basic re_path

Author: mik-laj

openapi_core/contrib/django/requests.py

@@ -36,6 +36,11 @@ def create(cls, request):
         else:
             route = cls.path_regex.sub(
                 r'{\1}', request.resolver_match.route)
+            # Delete start marker and expression marker to allow concatenation.
+            if route[:1] == "^":
+                route = route[1:]
+            if route[-1:] == "$":
+                route = route[:-1]
             path_pattern = '/' + route
 
         path = request.resolver_match and request.resolver_match.kwargs or {}

tests/integration/contrib/django/data/djangoproject/settings.py

@@ -50,7 +50,7 @@
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
 
-ROOT_URLCONF = 'djangotest.urls'
+ROOT_URLCONF = 'djangoproject.urls'
 
 TEMPLATES = [
     {

tests/integration/contrib/django/data/djangoproject/testapp/views.py

@@ -14,10 +14,10 @@
 
 class TestView(APIView):
 
-    def get(self, request, pk):
+    def get(self, request, pk=None):
         with open(settings.OPENAPI_SPEC_PATH) as file:
             spec_yaml = file.read()
-        spec_dict = yaml.load(spec_yaml)
+        spec_dict = yaml.safe_load(spec_yaml)
         spec = create_spec(spec_dict)
 
         openapi_request = DjangoOpenAPIRequest(request)

tests/integration/contrib/django/data/djangoproject/urls.py

@@ -14,8 +14,8 @@
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import include, path
-from djangotest.testapp import views
+from django.urls import include, path, re_path
+from djangoproject.testapp import views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
@@ -28,4 +28,5 @@
         views.TestView.as_view(),
         name='test',
     ),
+    re_path(r"^api/test-regexp/$", views.TestView.as_view()),
 ]

tests/integration/contrib/django/data/openapi.yaml

@@ -30,3 +30,13 @@ paths:
           schema:
             type: integer
             minimum: 1
+
+  /api/test-simple/:
+    get:
+      responses:
+        '200':
+          description: Success.
+          content:
+            application/json:
+              schema:
+                type: object

tests/integration/contrib/django/test_django_core_apiview.py

@@ -0,0 +1,16 @@
+import pytest
+
+from six import b
+
+
+class TestDjangoRESTFrameworkAPIView(object):
+
+    @pytest.fixture
+    def http_client(self):
+        from django.test import Client
+        return Client()
+
+    def test_get(self, http_client):
+        response = http_client.get('/api/test-simple/')
+
+        assert response.content == b('{"test": "test_val"}')