Allow for custom name generation

sanic/blueprints.py

@@ -391,7 +391,7 @@ def register(self, app, options):
             name = future.name
             if opt_name_prefix:
                 name = f"{opt_name_prefix}_{future.name}"
-            name = app._generate_name(name)
+            name = app.generate_name(name)
             host = future.host or self.host
             if isinstance(host, list):
                 host = tuple(host)

sanic/mixins/base.py

@@ -1,37 +1,44 @@
-from typing import Optional
+from typing import Optional, Protocol, Union
 
 from sanic.base.meta import SanicMeta
 
 
+class NameProtocol(Protocol):
+    name: str
+
+
+class DunderNameProtocol(Protocol):
+    __name__: str
+
+
 class BaseMixin(metaclass=SanicMeta):
-    """Base class for some other mixins."""
+    """Base class for various mixins."""
 
     name: str
     strict_slashes: Optional[bool]
 
-    def _generate_name(self, *objects) -> str:
-        name = None
-
+    def _generate_name(
+        self, *objects: Union[NameProtocol, DunderNameProtocol, str]
+    ) -> str:
+        print(objects)
+        name: Optional[str] = None
         for obj in objects:
-            if obj:
-                if isinstance(obj, str):
-                    name = obj
-                    break
-
-                try:
-                    name = obj.name
-                except AttributeError:
-                    try:
-                        name = obj.__name__
-                    except AttributeError:
-                        continue
-                else:
-                    break
-
-        if not name:  # noqa
+            if not obj:
+                continue
+            if isinstance(obj, str):
+                name = obj
+            else:
+                name = getattr(obj, "name", getattr(obj, "__name__", None))
+
+            if name:
+                break
+        if not name or not isinstance(name, str):
             raise ValueError("Could not generate a name for handler")
 
         if not name.startswith(f"{self.name}."):
             name = f"{self.name}.{name}"
 
         return name
+
+    def generate_name(self, *objects) -> str:
+        return self._generate_name(*objects)

sanic/mixins/routes.py

@@ -139,7 +139,7 @@ def decorator(handler):
                 # variable will be a tuple of (existing routes, handler fn)
                 _, handler = handler
 
-            name = self._generate_name(name, handler)
+            name = self.generate_name(name, handler)
 
             if isinstance(host, str):
                 host = frozenset([host])

sanic/mixins/static.py

@@ -112,7 +112,7 @@ def static(
             ```
         """  # noqa: E501
 
-        name = self._generate_name(name)
+        name = self.generate_name(name)
 
         if strict_slashes is None and self.strict_slashes is not None:
             strict_slashes = self.strict_slashes

sanic/router.py

@@ -180,7 +180,7 @@ def find_route_by_view_name(
 
         route = self.name_index.get(view_name)
         if not route:
-            full_name = self.ctx.app._generate_name(view_name)
+            full_name = self.ctx.app.generate_name(view_name)
             route = self.name_index.get(full_name)
 
         if not route: