aiohttp_cors_setup_with_wildcard_origins_and_routes.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 and configure it
11cors = aiohttp_cors.setup(app, defaults={
12    "*": aiohttp_cors.ResourceOptions(
13        allow_credentials=True,
14        expose_headers="*",
15        allow_headers="*",
16    )
17})
18
19# Add routes
20resource = cors.add(app.router.add_resource("/hello"))
21cors.add(resource.add_route("GET", handler))
22
23if __name__ == "__main__":
24    web.run_app(app)