From 2bb769eb5e36042181b3c2c8e7a09ee25c4f2cd3 Mon Sep 17 00:00:00 2001
From: Miguel Grinberg <miguel.grinberg@gmail.com>
Date: Fri, 11 May 2018 16:14:01 -0400
Subject: [PATCH] support OPTIONS request method in aiohttp and sanic

Fixes #70
---
 engineio/async_aiohttp.py | 2 ++
 engineio/async_sanic.py   | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/engineio/async_aiohttp.py b/engineio/async_aiohttp.py
index 97316485..d0e2a564 100644
--- a/engineio/async_aiohttp.py
+++ b/engineio/async_aiohttp.py
@@ -15,6 +15,8 @@ def create_route(app, engineio_server, engineio_endpoint):
     """
     app.router.add_get(engineio_endpoint, engineio_server.handle_request)
     app.router.add_post(engineio_endpoint, engineio_server.handle_request)
+    app.router.add_route('OPTIONS', engineio_endpoint,
+                         engineio_server.handle_request)
 
 
 def translate_request(request):
diff --git a/engineio/async_sanic.py b/engineio/async_sanic.py
index a4702ae9..8ff2eb8c 100644
--- a/engineio/async_sanic.py
+++ b/engineio/async_sanic.py
@@ -18,7 +18,7 @@ def create_route(app, engineio_server, engineio_endpoint):
     endpoint.
     """
     app.add_route(engineio_server.handle_request, engineio_endpoint,
-                  methods=['GET', 'POST'])
+                  methods=['GET', 'POST', 'OPTIONS'])
     try:
         app.enable_websocket()
     except AttributeError: