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50 lines
933 B
Python
50 lines
933 B
Python
"""Use a lifespan context manager for startup and shutdown work.
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Run it:
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responder run examples/lifespan.py
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Try it with:
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curl http://127.0.0.1:5042/health
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"""
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from __future__ import annotations
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from contextlib import asynccontextmanager
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import responder
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def create_api() -> responder.API:
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state = {"ready": False}
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@asynccontextmanager
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async def lifespan(app):
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print("Starting up...")
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state["ready"] = True
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try:
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yield
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finally:
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state["ready"] = False
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print("Shutting down...")
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api = responder.API(lifespan=lifespan, sessions=False)
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@api.get("/health")
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def health(req, resp):
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resp.media = {"ready": state["ready"]}
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@api.get("/{greeting}")
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def greet_world(req, resp, *, greeting: str):
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resp.text = f"{greeting}, world!"
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return api
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api = create_api()
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if __name__ == "__main__":
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api.run()
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