aiohttp_cors_setup_with_all_origins_resource_options.py

1import asyncio
2from aiohttp import web
3import aiohttp_cors
4
5async def handler(request):
6    return web.Response(text="Hello, world")
7
8app = web.Application()
9
10# Create a CORS instance
11cors = aiohttp_cors.setup(app)
12
13# Create a resource and add a route
14resource = app.router.add_resource("/hello")
15route = resource.add_route("GET", handler)
16
17# Configure CORS on that route
18cors.add(route, {
19    "*": aiohttp_cors.ResourceOptions(
20        allow_credentials=True,
21        expose_headers="*",
22        allow_headers="*",
23    )
24})
25
26if __name__ == "__main__":
27    web.run_app(app)