Fix documentation build errors

docs/index.rst

@@ -24,6 +24,8 @@ Guides
    sanic/sockets
    sanic/ssl
    sanic/logging
+   sanic/versioning
+   sanic/debug_mode
    sanic/testing
    sanic/deploying
    sanic/extensions

docs/sanic/middleware.md

@@ -17,7 +17,7 @@ string representing its type: `'request'` or `'response'`.
 
 The simplest middleware doesn't modify the request or response at all:
 
-```python
+```
 @app.middleware('request')
 async def print_on_request(request):
 	print("I print when a request is received by the server")
@@ -33,7 +33,7 @@ Middleware can modify the request or response parameter it is given, *as long
 as it does not return it*. The following example shows a practical use-case for
 this.
 
-```python
+```
 app = Sanic(__name__)
 
 @app.middleware('response')
@@ -60,7 +60,7 @@ and the response will be returned. If this occurs to a request before the
 relevant user route handler is reached, the handler will never be called.
 Returning a response will also prevent any further middleware from running.
 
-```python
+```
 @app.middleware('request')
 async def halt_request(request):
 	return text('I halted the request')
@@ -79,11 +79,11 @@ If you want to execute startup/teardown code as your server starts or closes, yo
 - `before_server_stop`
 - `after_server_stop`
 
-These listeners are implemented as decorators on functions which accept the app object as well as the asyncio loop. 
+These listeners are implemented as decorators on functions which accept the app object as well as the asyncio loop.
 
 For example:
 
-```python
+```
 @app.listener('before_server_start')
 async def setup_db(app, loop):
     app.db = await db_setup()
@@ -101,16 +101,16 @@ async def close_db(app, loop):
     await app.db.close()
 ```
 
-It's also possible to register a listener using the `register_listener` method. 
+It's also possible to register a listener using the `register_listener` method.
 This may be useful if you define your listeners in another module besides
 the one you instantiate your app in.
 
-```python
+```
 app = Sanic()
-    
+
 async def setup_db(app, loop):
     app.db = await db_setup()
-    
+
 app.register_listener(setup_db, 'before_server_start')
 
 ```
@@ -118,7 +118,7 @@ app.register_listener(setup_db, 'before_server_start')
 If you want to schedule a background task to run after the loop has started,
 Sanic provides the `add_task` method to easily do so.
 
-```python
+```
 async def notify_server_started_after_five_seconds():
     await asyncio.sleep(5)
     print('Server successfully started!')
@@ -128,7 +128,7 @@ app.add_task(notify_server_started_after_five_seconds())
 
 Sanic will attempt to automatically inject the app, passing it as an argument to the task:
 
-```python
+```
 async def notify_server_started_after_five_seconds(app):
     await asyncio.sleep(5)
     print(app.name)
@@ -138,7 +138,7 @@ app.add_task(notify_server_started_after_five_seconds)
 
 Or you can pass the app explicitly for the same effect:
 
-```python
+```
 async def notify_server_started_after_five_seconds(app):
     await asyncio.sleep(5)
     print(app.name)

docs/sanic/websocket.rst

@@ -43,6 +43,7 @@ and ``recv`` methods to send and receive data respectively.
 You could setup your own WebSocket configuration through ``app.config``, like
 
 .. code:: python
+
     app.config.WEBSOCKET_MAX_SIZE = 2 ** 20
     app.config.WEBSOCKET_MAX_QUEUE = 32
     app.config.WEBSOCKET_READ_LIMIT = 2 ** 16

sanic/__main__.py

@@ -52,5 +52,5 @@ if __name__ == "__main__":
             "  Example File: project/sanic_server.py -> app\n"
             "  Example Module: project.sanic_server.app".format(e.name)
         )
-    except ValueError as e:
+    except ValueError:
         logger.exception("Failed to run app")

sanic/app.py

@@ -371,8 +371,7 @@ class Sanic:
     ):
         """Decorate a function to be registered as a websocket route
         :param uri: path of the URL
-        :param subprotocols: optional list of strings with the supported
-                             subprotocols
+        :param subprotocols: optional list of str with supported subprotocols
         :param host:
         :return: decorated function
         """
@@ -568,7 +567,7 @@ class Sanic:
         return self.blueprint(*args, **kwargs)
 
     def url_for(self, view_name: str, **kwargs):
-        """Build a URL based on a view name and the values provided.
+        r"""Build a URL based on a view name and the values provided.
 
         In order to build a URL, all request parameters must be supplied as
         keyword arguments, and each parameter must pass the test for the
@@ -579,7 +578,7 @@ class Sanic:
         the output URL's query string.
 
         :param view_name: string referencing the view name
-        :param \*\*kwargs: keys and values that are used to build request
+        :param \**kwargs: keys and values that are used to build request
             parameters and query string arguments.
 
         :return: the built URL

sanic/cookies.py

@@ -18,7 +18,7 @@ _Translator.update({ord('"'): '\\"', ord("\\"): "\\\\"})
 
 
 def _quote(str):
-    """Quote a string for use in a cookie header.
+    r"""Quote a string for use in a cookie header.
     If the string does not need to be double-quoted, then just return the
     string.  Otherwise, surround the string in doublequotes and quote
     (with a \) special characters.

sanic/testing.py

@@ -34,7 +34,7 @@ class SanicTestClient:
             ) as response:
                 try:
                     response.text = await response.text()
-                except UnicodeDecodeError as e:
+                except UnicodeDecodeError:
                     response.text = None
 
                 try: