Support registering OPTIONS HTTP method handlers via RouteTableDef

PR #4615 by @meetmangukiya

Fixes #4663

Co-authored-by: Sviatoslav Sydorenko <wk.cvs.github@sydorenko.org.ua>

CHANGES/4663.bugfix

@@ -0,0 +1 @@
+Support registering OPTIONS HTTP method handlers via RouteTableDef.

CONTRIBUTORS.txt

@@ -210,6 +210,7 @@ Mathias Fröjdman
 Mathieu Dugré
 Matthieu Hauglustaine
 Matthieu Rigal
+Meet Mangukiya
 Michael Ihnatenko
 Michał Górny
 Mikhail Burshteyn

aiohttp/web_routedef.py

@@ -206,6 +206,9 @@ def patch(self, path: str, **kwargs: Any) -> _Deco:
     def delete(self, path: str, **kwargs: Any) -> _Deco:
         return self.route(hdrs.METH_DELETE, path, **kwargs)
 
+    def options(self, path: str, **kwargs: Any) -> _Deco:
+        return self.route(hdrs.METH_OPTIONS, path, **kwargs)
+
     def view(self, path: str, **kwargs: Any) -> _Deco:
         return self.route(hdrs.METH_ANY, path, **kwargs)
 

tests/test_route_def.py

@@ -232,6 +232,22 @@ async def handler(request):
     assert str(route.url_for()) == "/path"
 
 
+def test_options_deco(router) -> None:
+    routes = web.RouteTableDef()
+
+    @routes.options('/path')
+    async def handler(request):
+        pass
+
+    router.add_routes(routes)
+
+    assert len(router.routes()) == 1
+
+    route = list(router.routes())[0]
+    assert route.method == 'OPTIONS'
+    assert str(route.url_for()) == '/path'
+
+
 def test_route_deco(router) -> None:
     routes = web.RouteTableDef()