Adjust imports

rest_framework/routers.py

@@ -26,7 +26,8 @@
 from rest_framework.compat import NoReverseMatch
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
-from rest_framework.schemas import SchemaGenerator, SchemaView
+from rest_framework.schemas import SchemaGenerator
+from rest_framework.schemas.views import SchemaView
 from rest_framework.settings import api_settings
 from rest_framework.urlpatterns import format_suffix_patterns
 

rest_framework/schemas/__init__.py

@@ -1,19 +1,21 @@
-# The API we expose
-# from .views import get_schema_view
+from .generators import SchemaGenerator
+from .inspectors import AutoSchema, ManualSchema  # noqa
 
 
-# Shared function. TODO: move to utils.
-def is_list_view(path, method, view):
+def get_schema_view(
+        title=None, url=None, description=None, urlconf=None, renderer_classes=None,
+        public=False, patterns=None, generator_class=SchemaGenerator):
     """
-    Return True if the given path/method appears to represent a list view.
+    Return a schema view.
     """
-    if hasattr(view, 'action'):
-        # Viewsets have an explicitly defined action, which we can inspect.
-        return view.action == 'list'
-
-    if method.lower() != 'get':
-        return False
-    path_components = path.strip('/').split('/')
-    if path_components and '{' in path_components[-1]:
-        return False
-    return True
+    # Avoid import cycle on APIView
+    from .views import SchemaView
+    generator = generator_class(
+        title=title, url=url, description=description,
+        urlconf=urlconf, patterns=patterns,
+    )
+    return SchemaView.as_view(
+        renderer_classes=renderer_classes,
+        schema_generator=generator,
+        public=public,
+    )

rest_framework/schemas/generators.py

@@ -14,9 +14,8 @@
 from rest_framework.request import clone_request
 from rest_framework.settings import api_settings
 from rest_framework.utils.model_meta import _get_pk
-from rest_framework.views import APIView
 
-from . import is_list_view
+from .utils import is_list_view
 
 
 def common_path(paths):
@@ -40,6 +39,8 @@ def is_api_view(callback):
     """
     Return `True` if the given view callback is a REST framework view/viewset.
     """
+    # Avoid import cycle on APIView
+    from rest_framework.views import APIView
     cls = getattr(callback, 'cls', None)
     return (cls is not None) and issubclass(cls, APIView)
 

rest_framework/schemas/inspectors.py

@@ -10,7 +10,7 @@
 from rest_framework.settings import api_settings
 from rest_framework.utils import formatting
 
-from . import is_list_view
+from .utils import is_list_view
 
 header_regex = re.compile('^[a-zA-Z][0-9A-Za-z_]*:')
 

rest_framework/schemas/utils.py

@@ -0,0 +1,16 @@
+
+
+def is_list_view(path, method, view):
+    """
+    Return True if the given path/method appears to represent a list view.
+    """
+    if hasattr(view, 'action'):
+        # Viewsets have an explicitly defined action, which we can inspect.
+        return view.action == 'list'
+
+    if method.lower() != 'get':
+        return False
+    path_components = path.strip('/').split('/')
+    if path_components and '{' in path_components[-1]:
+        return False
+    return True

rest_framework/schemas/views.py

@@ -1,6 +1,5 @@
 from rest_framework import exceptions, renderers
 from rest_framework.response import Response
-from rest_framework.schemas.generators import SchemaGenerator
 from rest_framework.settings import api_settings
 from rest_framework.views import APIView
 
@@ -28,20 +27,3 @@ def get(self, request, *args, **kwargs):
         if schema is None:
             raise exceptions.PermissionDenied()
         return Response(schema)
-
-
-def get_schema_view(
-        title=None, url=None, description=None, urlconf=None, renderer_classes=None,
-        public=False, patterns=None, generator_class=SchemaGenerator):
-    """
-    Return a schema view.
-    """
-    generator = generator_class(
-        title=title, url=url, description=description,
-        urlconf=urlconf, patterns=patterns,
-    )
-    return SchemaView.as_view(
-        renderer_classes=renderer_classes,
-        schema_generator=generator,
-        public=public,
-    )

rest_framework/views.py

@@ -19,6 +19,7 @@
 from rest_framework.compat import set_rollback
 from rest_framework.request import Request
 from rest_framework.response import Response
+from rest_framework.schemas import AutoSchema
 from rest_framework.settings import api_settings
 from rest_framework.utils import formatting
 
@@ -113,6 +114,7 @@ class APIView(View):
 
     # Mark the view as being included or excluded from schema generation.
     exclude_from_schema = False
+    schema = AutoSchema()
 
     @classmethod
     def as_view(cls, **initkwargs):