Add dotted endpoint notation and additional tests

sanic/app.py

@@ -454,6 +454,13 @@ class Sanic:
         def response(handler):
             async def websocket_handler(request, *args, **kwargs):
                 request.app = self
+                if not getattr(handler, "__blueprintname__", False):
+                    request.endpoint = handler.__name__
+                else:
+                    request.endpoint = (
+                        getattr(handler, "__blueprintname__", "")
+                        + handler.__name__
+                    )
                 try:
                     protocol = request.transport.get_protocol()
                 except AttributeError:
@@ -888,6 +895,16 @@ class Sanic:
                             "handler from the router"
                         )
                     )
+                else:
+                    if not getattr(handler, "__blueprintname__", False):
+                        request.endpoint = self._build_endpoint_name(
+                            handler.__name__
+                        )
+                    else:
+                        request.endpoint = self._build_endpoint_name(
+                            getattr(handler, "__blueprintname__", ""),
+                            handler.__name__,
+                        )
 
                 # Run response handler
                 response = handler(request, *args, **kwargs)
@@ -1276,3 +1293,7 @@ class Sanic:
             logger.info("Goin' Fast @ {}://{}:{}".format(proto, host, port))
 
         return server_settings
+
+    def _build_endpoint_name(self, *parts):
+        parts = [self.name, *parts]
+        return ".".join(parts)

sanic/request.py

@@ -69,26 +69,27 @@ class Request(dict):
     """Properties of an HTTP request such as URL, headers, etc."""
 
     __slots__ = (
-        "app",
-        "headers",
-        "version",
-        "method",
+        "__weakref__",
         "_cookies",
-        "transport",
-        "body",
-        "parsed_json",
-        "parsed_args",
-        "parsed_form",
-        "parsed_files",
         "_ip",
         "_parsed_url",
-        "uri_template",
-        "stream",
+        "_port",
         "_remote_addr",
         "_socket",
-        "_port",
-        "__weakref__",
+        "app",
+        "body",
+        "endpoint",
+        "headers",
+        "method",
+        "parsed_args",
+        "parsed_files",
+        "parsed_form",
+        "parsed_json",
         "raw_url",
+        "stream",
+        "transport",
+        "uri_template",
+        "version",
     )
 
     def __init__(self, url_bytes, headers, version, method, transport):
@@ -111,6 +112,7 @@ class Request(dict):
         self.uri_template = None
         self._cookies = None
         self.stream = None
+        self.endpoint = None
 
     def __repr__(self):
         if self.method is None or not self.path: