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Add no-op asgi-lifespan handling #856

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Add no-op asgi-lifespan handling #856

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4 changes: 4 additions & 0 deletions prometheus_client/asgi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ def make_asgi_app(registry: CollectorRegistry = REGISTRY, disable_compression: b
"""Create a ASGI app which serves the metrics from a registry."""

async def prometheus_app(scope, receive, send):
if scope.get("type") == "lifespan":
payload = await receive()
await send({'type': payload['type'] + ".complete"})
return
assert scope.get("type") == "http"
# Prepare parameters
params = parse_qs(scope.get('query_string', b''))
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