blacken-docs (#8906)

* blacken-docs: Manual fixes for command to pass without errors

* blacken-docs: Adds blacken-docs step to precommit hook.

* blacken-docs: Adds changes made by command itself.

* blacken-docs: Modifies blacken-docs step to only process files under "docs" directory

* blacken-docs: Updates pre-commit config file to exclude all directories other than "docs" to be compatible with "--all-files" flag.

* blacken-docs: Adds commas at the end to make it look identical to pre-black version

.pre-commit-config.yaml

@@ -18,3 +18,10 @@ repos:
   - id: flake8
     additional_dependencies:
     - flake8-tidy-imports
+- repo: https://github.com/adamchainz/blacken-docs
+  rev: 1.13.0
+  hooks:
+  - id: blacken-docs
+    exclude: ^(?!docs).*$
+    additional_dependencies:
+    - black==23.1.0

docs/api-guide/caching.md

@@ -28,33 +28,33 @@ from rest_framework import viewsets
 
 class UserViewSet(viewsets.ViewSet):
     # With cookie: cache requested url for each user for 2 hours
-    @method_decorator(cache_page(60*60*2))
+    @method_decorator(cache_page(60 * 60 * 2))
     @method_decorator(vary_on_cookie)
     def list(self, request, format=None):
         content = {
-            'user_feed': request.user.get_user_feed()
+            "user_feed": request.user.get_user_feed(),
         }
         return Response(content)
 
 
 class ProfileView(APIView):
     # With auth: cache requested url for each user for 2 hours
-    @method_decorator(cache_page(60*60*2))
-    @method_decorator(vary_on_headers("Authorization",))
+    @method_decorator(cache_page(60 * 60 * 2))
+    @method_decorator(vary_on_headers("Authorization"))
     def get(self, request, format=None):
         content = {
-            'user_feed': request.user.get_user_feed()
+            "user_feed": request.user.get_user_feed(),
         }
         return Response(content)
 
 
 class PostView(APIView):
     # Cache page for the requested url
-    @method_decorator(cache_page(60*60*2))
+    @method_decorator(cache_page(60 * 60 * 2))
     def get(self, request, format=None):
         content = {
-            'title': 'Post title',
-            'body': 'Post content'
+            "title": "Post title",
+            "body": "Post content",
         }
         return Response(content)
 ```

docs/api-guide/schemas.md

@@ -94,11 +94,13 @@ urlpatterns = [
     # Use the `get_schema_view()` helper to add a `SchemaView` to project URLs.
     #   * `title` and `description` parameters are passed to `SchemaGenerator`.
     #   * Provide view name for use with `reverse()`.
-    path('openapi', get_schema_view(
-        title="Your Project",
-        description="API for all things …",
-        version="1.0.0"
-    ), name='openapi-schema'),
+    path(
+        "openapi",
+        get_schema_view(
+            title="Your Project", description="API for all things …", version="1.0.0"
+        ),
+        name="openapi-schema",
+    ),
     # ...
 ]
 ```
@@ -259,11 +261,13 @@ class CustomSchema(AutoSchema):
     """
     AutoSchema subclass using schema_extra_info on the view.
     """
+
     ...
 
+
 class CustomView(APIView):
     schema = CustomSchema()
-    schema_extra_info = ... some extra info ...
+    schema_extra_info = ...  # some extra info
 ```
 
 Here, the `AutoSchema` subclass goes looking for `schema_extra_info` on the
@@ -278,10 +282,13 @@ class BaseSchema(AutoSchema):
     """
     AutoSchema subclass that knows how to use extra_info.
     """
+
     ...
 
+
 class CustomSchema(BaseSchema):
-    extra_info = ... some extra info ...
+    extra_info = ...  # some extra info
+
 
 class CustomView(APIView):
     schema = CustomSchema()
@@ -302,10 +309,9 @@ class CustomSchema(BaseSchema):
         self.extra_info = kwargs.pop("extra_info")
         super().__init__(**kwargs)
 
+
 class CustomView(APIView):
-    schema = CustomSchema(
-        extra_info=... some extra info ...
-    )
+    schema = CustomSchema(extra_info=...)  # some extra info
 ```
 
 This saves you having to create a custom subclass per-view for a commonly used option.

docs/api-guide/viewsets.md

@@ -201,15 +201,16 @@ To view all extra actions, call the `.get_extra_actions()` method.
 Extra actions can map additional HTTP methods to separate `ViewSet` methods. For example, the above password set/unset methods could be consolidated into a single route. Note that additional mappings do not accept arguments.
 
 ```python
-    @action(detail=True, methods=['put'], name='Change Password')
-    def password(self, request, pk=None):
-        """Update the user's password."""
-        ...
+@action(detail=True, methods=["put"], name="Change Password")
+def password(self, request, pk=None):
+    """Update the user's password."""
+    ...
 
-    @password.mapping.delete
-    def delete_password(self, request, pk=None):
-        """Delete the user's password."""
-        ...
+
+@password.mapping.delete
+def delete_password(self, request, pk=None):
+    """Delete the user's password."""
+    ...
 ```
 
 ## Reversing action URLs
@@ -220,14 +221,14 @@ Note that the `basename` is provided by the router during `ViewSet` registration
 
 Using the example from the previous section:
 
-```python
->>> view.reverse_action('set-password', args=['1'])
+```pycon
+>>> view.reverse_action("set-password", args=["1"])
 'http://localhost:8000/api/users/1/set_password'
 ```
 
 Alternatively, you can use the `url_name` attribute set by the `@action` decorator.
 
-```python
+```pycon
 >>> view.reverse_action(view.set_password.url_name, args=['1'])
 'http://localhost:8000/api/users/1/set_password'
 ```

docs/community/3.10-announcement.md

@@ -41,8 +41,8 @@ update your REST framework settings to include `DEFAULT_SCHEMA_CLASS` explicitly
 
 ```python
 REST_FRAMEWORK = {
-  ...
-  'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema'
+    ...: ...,
+    "DEFAULT_SCHEMA_CLASS": "rest_framework.schemas.coreapi.AutoSchema",
 }
 ```
 
@@ -74,10 +74,11 @@ urlpatterns = [
     # Use the `get_schema_view()` helper to add a `SchemaView` to project URLs.
     #   * `title` and `description` parameters are passed to `SchemaGenerator`.
     #   * Provide view name for use with `reverse()`.
-    path('openapi', get_schema_view(
-        title="Your Project",
-        description="API for all things …"
-    ), name='openapi-schema'),
+    path(
+        "openapi",
+        get_schema_view(title="Your Project", description="API for all things …"),
+        name="openapi-schema",
+    ),
     # ...
 ]
 ```

docs/community/3.11-announcement.md

@@ -43,10 +43,11 @@ be extracted from the class docstring:
 
 ```python
 class DocStringExampleListView(APIView):
-"""
-get: A description of my GET operation.
-post: A description of my POST operation.
-"""
+    """
+    get: A description of my GET operation.
+    post: A description of my POST operation.
+    """
+
     permission_classes = [permissions.IsAuthenticatedOrReadOnly]
 
     def get(self, request, *args, **kwargs):

docs/community/3.12-announcement.md

@@ -41,7 +41,7 @@ The tags used for a particular view may also be overridden...
 
 ```python
 class MyOrders(APIView):
-    schema = AutoSchema(tags=['users', 'orders'])
+    schema = AutoSchema(tags=["users", "orders"])
     ...
 ```
 
@@ -68,7 +68,7 @@ may be overridden if needed](https://www.django-rest-framework.org/api-guide/sch
 
 ```python
 class MyOrders(APIView):
-   schema = AutoSchema(component_name="OrderDetails")
+    schema = AutoSchema(component_name="OrderDetails")
 ```
 
 ## More Public API
@@ -118,10 +118,11 @@ class SitesSearchView(generics.ListAPIView):
     by a search against the site name or location. (Location searches are
     matched against the region and country names.)
     """
+
     queryset = Sites.objects.all()
     serializer_class = SitesSerializer
     filter_backends = [filters.SearchFilter]
-    search_fields = ['site_name', 'location__region', 'location__country']
+    search_fields = ["site_name", "location__region", "location__country"]
 ```
 
 ### Searches against annotate fields
@@ -135,10 +136,11 @@ class PublisherSearchView(generics.ListAPIView):
     Search for publishers, optionally filtering the search against the average
     rating of all their books.
     """
-    queryset = Publisher.objects.annotate(avg_rating=Avg('book__rating'))
+
+    queryset = Publisher.objects.annotate(avg_rating=Avg("book__rating"))
     serializer_class = PublisherSerializer
     filter_backends = [filters.SearchFilter]
-    search_fields = ['avg_rating']
+    search_fields = ["avg_rating"]
 ```
 
 ---

docs/community/3.9-announcement.md

@@ -65,15 +65,12 @@ from rest_framework.renderers import JSONOpenAPIRenderer
 from django.urls import path
 
 schema_view = get_schema_view(
-    title='Server Monitoring API',
-    url='https://www.example.org/api/',
-    renderer_classes=[JSONOpenAPIRenderer]
+    title="Server Monitoring API",
+    url="https://www.example.org/api/",
+    renderer_classes=[JSONOpenAPIRenderer],
 )
 
-urlpatterns = [
-    path('schema.json', schema_view),
-    ...
-]
+urlpatterns = [path("schema.json", schema_view), ...]
 ```
 
 And here's how you can use the `generateschema` management command:

docs/community/release-notes.md

@@ -306,7 +306,11 @@ Be sure to upgrade to Python 3 before upgrading to Django REST Framework 3.10.
   class NullableCharField(serializers.CharField):
       def __init__(self, *args, **kwargs):
           super().__init__(*args, **kwargs)
-          self.validators = [v for v in self.validators if not isinstance(v, ProhibitNullCharactersValidator)]
+          self.validators = [
+              v
+              for v in self.validators
+              if not isinstance(v, ProhibitNullCharactersValidator)
+          ]
   ```
 * Add `OpenAPIRenderer` and `generate_schema` management command. [#6229][gh6229]
 * Add OpenAPIRenderer by default, and add schema docs. [#6233][gh6233]

docs/topics/documenting-your-api.md

@@ -96,10 +96,14 @@ urlpatterns = [
     # ...
     # Route TemplateView to serve Swagger UI template.
     #   * Provide `extra_context` with view name of `SchemaView`.
-    path('swagger-ui/', TemplateView.as_view(
-        template_name='swagger-ui.html',
-        extra_context={'schema_url':'openapi-schema'}
-    ), name='swagger-ui'),
+    path(
+        "swagger-ui/",
+        TemplateView.as_view(
+            template_name="swagger-ui.html",
+            extra_context={"schema_url": "openapi-schema"},
+        ),
+        name="swagger-ui",
+    ),
 ]
 ```
 
@@ -145,10 +149,13 @@ urlpatterns = [
     # ...
     # Route TemplateView to serve the ReDoc template.
     #   * Provide `extra_context` with view name of `SchemaView`.
-    path('redoc/', TemplateView.as_view(
-        template_name='redoc.html',
-        extra_context={'schema_url':'openapi-schema'}
-    ), name='redoc'),
+    path(
+        "redoc/",
+        TemplateView.as_view(
+            template_name="redoc.html", extra_context={"schema_url": "openapi-schema"}
+        ),
+        name="redoc",
+    ),
 ]
 ```