Signals Integration (#2160)

* Update some tests

* Resolve #2122 route decorator returning tuple

* Use rc sanic-routing version

* Update unit tests to <:str>

* Minimal working version with some signals implemented

* Add more http signals

* Update ASGI and change listeners to signals

* Allow for dynamic ODE signals

* Allow signals to be stacked

* Begin tests

* Prioritize match_info on keyword argument injection

* WIP on tests

* Compat with signals

* Work through some test coverage

* Passing tests

* Post linting

* Setup proper resets

* coverage reporting

* Fixes from vltr comments

* clear delayed tasks

* Fix bad test

* rm pycache

sanic/mixins/listeners.py

@@ -9,10 +9,10 @@ class ListenerEvent(str, Enum):
     def _generate_next_value_(name: str, *args) -> str:  # type: ignore
         return name.lower()
 
-    BEFORE_SERVER_START = auto()
-    AFTER_SERVER_START = auto()
-    BEFORE_SERVER_STOP = auto()
-    AFTER_SERVER_STOP = auto()
+    BEFORE_SERVER_START = "server.init.before"
+    AFTER_SERVER_START = "server.init.after"
+    BEFORE_SERVER_STOP = "server.shutdown.before"
+    AFTER_SERVER_STOP = "server.shutdown.after"
     MAIN_PROCESS_START = auto()
     MAIN_PROCESS_STOP = auto()
 

sanic/mixins/signals.py

@@ -23,7 +23,7 @@ class SignalMixin:
         *,
         apply: bool = True,
         condition: Dict[str, Any] = None,
-    ) -> Callable[[SignalHandler], FutureSignal]:
+    ) -> Callable[[SignalHandler], SignalHandler]:
         """
         For creating a signal handler, used similar to a route handler:
 
@@ -54,7 +54,7 @@ class SignalMixin:
             if apply:
                 self._apply_signal(future_signal)
 
-            return future_signal
+            return handler
 
         return decorator