3f04d5101e
Iteration 1: - Dark theme with 3-way toggle - Dynamic heatmap gradient (blue→red) - Radius up to 100km - Save & Calculate workflow Iteration 2: - Terrain overlay toggle - Batch height operations - Zoom-dependent heatmap rendering Infrastructure: - Backend FastAPI on 8888 - Frontend static build via Caddy - Systemd services - Caddy reverse proxy integration
19 lines
637 B
Python
19 lines
637 B
Python
from contextlib import AsyncExitStack
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from starlette.types import ASGIApp, Receive, Scope, Send
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# Used mainly to close files after the request is done, dependencies are closed
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# in their own AsyncExitStack
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class AsyncExitStackMiddleware:
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def __init__(
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self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
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) -> None:
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self.app = app
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self.context_name = context_name
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async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
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async with AsyncExitStack() as stack:
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scope[self.context_name] = stack
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await self.app(scope, receive, send)
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