xref: /unit/test/python/lifespan/empty/asgi.py (revision 2616:ab2896c980ab)
1import os
2
3
4async def handler(prefix, scope, receive, send):
5    if scope['type'] == 'lifespan':
6        with open(f'{prefix}version', 'w+', encoding='utf-8') as f:
7            f.write(
8                f"{scope['asgi']['version']} {scope['asgi']['spec_version']}"
9            )
10        while True:
11            message = await receive()
12            if message['type'] == 'lifespan.startup':
13                os.remove(f'{prefix}startup')
14                await send({'type': 'lifespan.startup.complete'})
15            elif message['type'] == 'lifespan.shutdown':
16                os.remove(f'{prefix}shutdown')
17                await send({'type': 'lifespan.shutdown.complete'})
18                return
19
20    if scope['type'] == 'http':
21        await send(
22            {
23                'type': 'http.response.start',
24                'status': 204,
25                'headers': [
26                    (b'content-length', b'0'),
27                ],
28            }
29        )
30
31
32async def application(scope, receive, send):
33    return await handler('', scope, receive, send)
34
35
36async def application2(scope, receive, send):
37    return await handler('app2_', scope, receive, send)
38