Merge branch 'main' into main

CONTRIBUTING.rst

@@ -140,6 +140,7 @@ To maintain the code consistency, Sanic uses following tools.
 #. `isort <https://github.com/timothycrosley/isort>`_
 #. `black <https://github.com/python/black>`_
 #. `flake8 <https://github.com/PyCQA/flake8>`_
+#. `slotscheck <https://github.com/ariebovenberg/slotscheck>`_
 
 isort
 *****
@@ -167,7 +168,13 @@ flake8
 #. pycodestyle
 #. Ned Batchelder's McCabe script
 
-``isort``\ , ``black`` and ``flake8`` checks are performed during ``tox`` lint checks.
+slotscheck
+**********
+
+``slotscheck`` ensures that there are no problems with ``__slots__``
+(e.g. overlaps, or missing slots in base classes).
+
+``isort``\ , ``black``\ , ``flake8`` and ``slotscheck`` checks are performed during ``tox`` lint checks.
 
 The **easiest** way to make your code conform is to run the following before committing.
 

sanic/app.py

@@ -142,7 +142,6 @@ class Sanic(BaseSanic, RunnerMixin, metaclass=TouchUpMeta):
         "error_handler",
         "go_fast",
         "listeners",
-        "name",
         "named_request_middleware",
         "named_response_middleware",
         "request_class",

sanic/request.py

@@ -197,6 +197,53 @@ async def respond(
         headers: Optional[Union[Header, Dict[str, str]]] = None,
         content_type: Optional[str] = None,
     ):
+        """Respond to the request without returning.
+
+        This method can only be called once, as you can only respond once.
+        If no ``response`` argument is passed, one will be created from the
+        ``status``, ``headers`` and ``content_type`` arguments.
+
+        **The first typical usecase** is if you wish to respond to the
+        request without returning from the handler:
+
+        .. code-block:: python
+
+            @app.get("/")
+            async def handler(request: Request):
+                data = ...  # Process something
+
+                json_response = json({"data": data})
+                await request.respond(json_response)
+
+                # You are now free to continue executing other code
+                ...
+
+            @app.on_response
+            async def add_header(_, response: HTTPResponse):
+                # Middlewares still get executed as expected
+                response.headers["one"] = "two"
+
+        **The second possible usecase** is for when you want to directly
+        respond to the request:
+
+        .. code-block:: python
+
+            response = await request.respond(content_type="text/csv")
+            await response.send("foo,")
+            await response.send("bar")
+
+            # You can control the completion of the response by calling
+            # the 'eof()' method:
+            await response.eof()
+
+        :param response: response instance to send
+        :param status: status code to return in the response
+        :param headers: headers to return in the response
+        :param content_type: Content-Type header of the response
+        :return: final response being sent (may be different from the
+            ``response`` parameter because of middlewares) which can be
+            used to manually send data
+        """
         try:
             if self.stream is not None and self.stream.response:
                 raise ServerError("Second respond call is not allowed.")

sanic/response.py

@@ -50,6 +50,16 @@ class BaseHTTPResponse:
     The base class for all HTTP Responses
     """
 
+    __slots__ = (
+        "asgi",
+        "body",
+        "content_type",
+        "stream",
+        "status",
+        "headers",
+        "_cookies",
+    )
+
     _dumps = json_dumps
 
     def __init__(self):
@@ -156,7 +166,7 @@ class HTTPResponse(BaseHTTPResponse):
     :type content_type: Optional[str]
     """
 
-    __slots__ = ("body", "status", "content_type", "headers", "_cookies")
+    __slots__ = ()
 
     def __init__(
         self,

setup.py

@@ -112,6 +112,7 @@ def open_local(paths, mode="r", encoding="utf8"):
     "docutils",
     "pygments",
     "uvicorn<0.15.0",
+    "slotscheck>=0.8.0,<1",
     types_ujson,
 ]
 

tox.ini

@@ -21,6 +21,7 @@ commands =
     flake8 sanic
     black --config ./.black.toml --check --verbose sanic/
     isort --check-only sanic --profile=black
+    slotscheck --verbose -m sanic
 
 [testenv:type-checking]
 commands =