Update docs with changes done in 20.3 (#1822)

* Remove raw_args from docs (deprecated feature removed in Sanic 20.3).

* Add missing Sanic(name) arguments in docs. Merge async/non-async class view examples.

Co-authored-by: L. Kärkkäinen <tronic@users.noreply.github.com>

docs/sanic/class_based_views.rst

@@ -28,14 +28,15 @@ using all these methods would look like the following.
     from sanic.views import HTTPMethodView
     from sanic.response import text
 
-    app = Sanic('some_name')
+    app = Sanic("class_views_example")
 
     class SimpleView(HTTPMethodView):
 
       def get(self, request):
           return text('I am get method')
 
-      def post(self, request):
+      # You can also use async syntax
+      async def post(self, request):
           return text('I am post method')
 
       def put(self, request):
@@ -49,22 +50,6 @@ using all these methods would look like the following.
 
     app.add_route(SimpleView.as_view(), '/')
 
-You can also use `async` syntax.
-
-.. code-block:: python
-
-    from sanic import Sanic
-    from sanic.views import HTTPMethodView
-    from sanic.response import text
-
-    app = Sanic('some_name')
-
-    class SimpleAsyncView(HTTPMethodView):
-
-      async def get(self, request):
-          return text('I am async get method')
-
-    app.add_route(SimpleAsyncView.as_view(), '/')
 
 URL parameters
 --------------
@@ -154,7 +139,7 @@ lambda:
     from sanic.views import CompositionView
     from sanic.response import text
 
-    app = Sanic(__name__)
+    app = Sanic("composition_example")
 
     def get_handler(request):
         return text('I am a get method')

docs/sanic/config.rst

@@ -39,13 +39,13 @@ Any variables defined with the `SANIC_` prefix will be applied to the sanic conf
 
 .. code-block:: python
 
-    app = Sanic(load_env='MYAPP_')
+    app = Sanic(__name__, load_env='MYAPP_')
 
 Then the above variable would be `MYAPP_REQUEST_TIMEOUT`. If you want to disable loading from environment variables you can set it to `False` instead:
 
 .. code-block:: python
 
-    app = Sanic(load_env=False)
+    app = Sanic(__name__, load_env=False)
 
 From an Object
 ~~~~~~~~~~~~~~

docs/sanic/debug_mode.rst

@@ -21,7 +21,7 @@ and the Automatic Reloader will be activated.
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic()
+    app = Sanic(__name__)
 
     @app.route('/')
     async def hello_world(request):
@@ -43,7 +43,7 @@ the ``auto_reload`` argument will activate or deactivate the Automatic Reloader.
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic()
+    app = Sanic(__name__)
 
     @app.route('/')
     async def hello_world(request):

docs/sanic/exceptions.rst

@@ -59,7 +59,7 @@ You can also add an exception handler as such:
     async def server_error_handler(request, exception):
         return text("Oops, server error", status=500)
 
-    app = Sanic()
+    app = Sanic("error_handler_example")
     app.error_handler.add(Exception, server_error_handler)
 
 In some cases, you might want to add some more error handling
@@ -77,7 +77,7 @@ can subclass Sanic's default error handler as such:
             # You custom error handling logic...
             return super().default(request, exception)
 
-    app = Sanic()
+    app = Sanic("custom_error_handler_example")
     app.error_handler = CustomErrorHandler()
 
 Useful exceptions

docs/sanic/getting_started.rst

@@ -37,7 +37,7 @@ You can also install Sanic from `conda-forge <https://anaconda.org/conda-forge/s
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic()
+    app = Sanic("hello_example")
 
     @app.route("/")
     async def test(request):

docs/sanic/index.rst

@@ -15,7 +15,7 @@ Sanic aspires to be simple
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic()
+    app = Sanic("App Name")
 
     @app.route("/")
     async def test(request):

docs/sanic/logging.rst

@@ -17,7 +17,7 @@ A simple example using default settings would be like this:
    from sanic.log import logger
    from sanic.response import text
 
-   app = Sanic('test')
+   app = Sanic('logging_example')
 
    @app.route('/')
    async def test(request):
@@ -47,7 +47,7 @@ initialize ``Sanic`` app:
 
 .. code:: python
 
-   app = Sanic('test', log_config=LOGGING_CONFIG)
+   app = Sanic('logging_example', log_config=LOGGING_CONFIG)
 
 And to close logging, simply assign access_log=False:
 

docs/sanic/middleware.rst

@@ -138,7 +138,7 @@ the one you instantiate your app in.
 
 .. code-block:: python
 
-    app = Sanic()
+    app = Sanic(__name__)
 
     async def setup_db(app, loop):
         app.db = await db_setup()

docs/sanic/nginx.rst

@@ -32,7 +32,7 @@ and in Nginx config.
     from sanic import Sanic
     from sanic.response import text
 
-    app = Sanic("Sanic Example")
+    app = Sanic("proxied_example")
     app.config.FORWARDED_SECRET = "YOUR SECRET"
 
     @app.get("/")

docs/sanic/request_data.rst

@@ -56,7 +56,6 @@ The difference between Request.args and Request.query_args for the queryset `?ke
           "url": request.url,
           "query_string": request.query_string,
           "args": request.args,
-          "raw_args": request.raw_args,
           "query_args": request.query_args,
       })
 
@@ -72,12 +71,9 @@ The difference between Request.args and Request.query_args for the queryset `?ke
         "url":"http:\/\/0.0.0.0:8000\/test_request_args?key1=value1&key2=value2&key1=value3",
         "query_string":"key1=value1&key2=value2&key1=value3",
         "args":{"key1":["value1","value3"],"key2":["value2"]},
-        "raw_args":{"key1":"value1","key2":"value2"},
         "query_args":[["key1","value1"],["key2","value2"],["key1","value3"]]
     }
 
-- `raw_args` contains only the first entry of `key1`. Will be deprecated in the future versions.
-
 - `files` (dictionary of `File` objects) - List of files that have a name, body, and type
 
 .. code-block:: python
@@ -228,7 +224,7 @@ The key difference when using this object is the distinction between the `get` a
     from sanic import Sanic
     from sanic.response import json
 
-    app = Sanic(name="example")
+    app = Sanic(__name__)
 
     @app.route("/")
     def get_handler(request):
@@ -247,7 +243,7 @@ route will return "hello".
     from sanic.response import text
     from sanic import Sanic
 
-    app = Sanic()
+    app = Sanic(__name__)
 
     @app.get("/")
     def hello(request):

docs/sanic/sockets.rst

@@ -16,7 +16,7 @@ IPv6 example:
     sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
     sock.bind(('::', 7777))
 
-    app = Sanic()
+    app = Sanic("ipv6_example")
 
 
     @app.route("/")
@@ -46,7 +46,7 @@ UNIX socket example:
     sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
     sock.bind(server_socket)
 
-    app = Sanic()
+    app = Sanic("unix_socket_example")
 
 
     @app.route("/")

docs/sanic/streaming.rst

@@ -16,7 +16,7 @@ Sanic allows you to get request data by stream, as below. When the request ends,
     from sanic.response import stream, text
 
     bp = Blueprint('blueprint_request_stream')
-    app = Sanic('request_stream')
+    app = Sanic(__name__)
 
 
     class SimpleView(HTTPMethodView):

docs/sanic/websocket.rst

@@ -12,7 +12,7 @@ To setup a WebSocket:
     from sanic.response import json
     from sanic.websocket import WebSocketProtocol
 
-    app = Sanic()
+    app = Sanic("websocket_example")
 
     @app.websocket('/feed')
     async def feed(request, ws):