2569718930@qq.com
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
"""Application assembly for the PolyWeather FastAPI backend.
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This module centralizes router registration while preserving the existing
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``web.core.app`` singleton and middleware setup during the transition toward a
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more modular backend structure.
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"""
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import os
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from fastapi import FastAPI
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from web.core import app as core_app
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from web.routers.analytics import router as analytics_router
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from web.routers.city import router as city_router
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from web.routers.auth import router as auth_router
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from web.routers.feedback import router as feedback_router
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from web.routers.ops import router as ops_router
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from web.routers.payments import router as payments_router
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from web.routers.scan import router as scan_router
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from web.routers.sse_router import router as sse_router
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from web.routers.system import router as system_router
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from web.routes import router as legacy_router
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from web.scan_terminal_service import start_scan_terminal_prewarm
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_ROUTES_REGISTERED_FLAG = "_polyweather_routes_registered"
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def _service_role() -> str:
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return str(os.getenv("POLYWEATHER_SERVICE_ROLE") or "").strip().lower()
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def _scan_terminal_prewarm_enabled() -> bool:
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enabled = str(
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os.getenv("POLYWEATHER_SCAN_TERMINAL_PREWARM_ENABLED") or "false"
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).strip().lower() in {"1", "true", "yes", "on"}
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return enabled and _service_role() in {"web", "api", "backend"}
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def create_app() -> FastAPI:
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"""Return the configured FastAPI app with routers registered once."""
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if not bool(getattr(core_app.state, _ROUTES_REGISTERED_FLAG, False)):
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core_app.include_router(system_router)
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core_app.include_router(city_router)
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core_app.include_router(auth_router)
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core_app.include_router(feedback_router)
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core_app.include_router(analytics_router)
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core_app.include_router(scan_router)
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core_app.include_router(sse_router)
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core_app.include_router(payments_router)
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core_app.include_router(ops_router)
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core_app.include_router(legacy_router)
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setattr(core_app.state, _ROUTES_REGISTERED_FLAG, True)
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if _scan_terminal_prewarm_enabled():
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start_scan_terminal_prewarm()
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return core_app
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