mirror of
https://github.com/fusion44/blitz_api.git
synced 2026-08-14 12:02:46 +02:00
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
import asyncio
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import aioredis
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from aioredis import Channel, Redis
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from fastapi import Depends, FastAPI, Request
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from fastapi_plugins import (RedisSettings, depends_redis, get_config,
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redis_plugin, registered_configuration)
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from fastapi_versioning import VersionedFastAPI
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from starlette import status
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from app.repositories.bitcoin import (register_bitcoin_info_gatherer,
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register_bitcoin_zmq_sub)
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from app.repositories.hardware_info import register_hardware_info_gatherer
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from app.repositories.lightning import register_lightning_listener
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from app.routers import apps, bitcoin, lightning, setup, system
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from app.sse_starlette import EventSourceResponse
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# start server with "uvicorn main:app --reload"
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@registered_configuration
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class AppSettings(RedisSettings):
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api_name: str = str(__name__)
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app = FastAPI()
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config = get_config()
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app.include_router(apps.router)
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app.include_router(bitcoin.router)
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app.include_router(lightning.router)
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app.include_router(system.router)
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app.include_router(setup.router)
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app = VersionedFastAPI(app,
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version_format='{major}',
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prefix_format='/v{major}')
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@app.on_event('startup')
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async def on_startup() -> None:
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await redis_plugin.init_app(app, config=config)
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await redis_plugin.init()
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await register_all_handlers()
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@app.on_event('shutdown')
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async def on_shutdown() -> None:
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await redis_plugin.terminate()
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@app.get('/')
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def index():
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# path operation function
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return {'data': '123'}
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connections = []
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@app.get("/sse/subscribe", status_code=status.HTTP_200_OK)
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async def stream(request: Request, channel: str = "default", redis: Redis = Depends(depends_redis)):
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connections.append(request)
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return EventSourceResponse(subscribe(request, channel, redis))
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async def subscribe(request: Request, channel: str, redis: Redis):
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(sub,) = await redis.subscribe(channel=Channel(channel, False))
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try:
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while await sub.wait_message():
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if await request.is_disconnected():
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connections.remove(request)
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await request.close()
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break
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else:
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if len(connections) > 0:
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data = await sub.get(encoding='utf-8')
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yield data
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except asyncio.CancelledError as e:
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connections.remove(request)
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await request.close()
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except aioredis.errors.ChannelClosedError as cle:
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connections.remove(request)
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await request.close()
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async def register_all_handlers():
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await register_bitcoin_zmq_sub()
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await register_bitcoin_info_gatherer()
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await register_hardware_info_gatherer()
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await register_lightning_listener()
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