Simplified aiohttp app showing importance of path registration

aiohttp-route-order.py

import json

from aiohttp import web

data = [
    {"name": "Andy"},
    {"name": "Bob"},
    {"name": "Charlie"},
    {"name": "Duncan"},
]


async def get_single(request):
    instance_id = int(request.match_info['id'])
    return web.Response(body=json.dumps(data[instance_id]), content_type="application/json")


async def get_all(request):
    return web.Response(body=json.dumps(data), content_type="application/json")


app = web.Application()

app.add_routes([web.get('/names/all', get_all)])
app.add_routes([web.get('/names/{id}', get_single)])

web.run_app(app)