Richie
06ff6ae32b
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80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
"""FastAPI HTMX app for EPUB search."""
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from __future__ import annotations
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import logging
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from contextlib import asynccontextmanager
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from typing import TYPE_CHECKING, Annotated
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import typer
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import uvicorn
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from fastapi import FastAPI
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from fastapi.staticfiles import StaticFiles
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from sqlalchemy.orm import Session
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from python.common import configure_logger
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from python.ebook_search.api.bm25_tasks import cancel_bm25_refresh
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from python.ebook_search.api.routes import admin_router, page_router, search_router
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from python.ebook_search.api.web import STATIC_DIR
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from python.ebook_search.bm25_corpus import ensure_bm25_corpus
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from python.ebook_search.config import load_config
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from python.fastapi_tools import ZstdMiddleware
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from python.orm.common import get_postgres_engine
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if TYPE_CHECKING:
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from collections.abc import AsyncIterator
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logger = logging.getLogger(__name__)
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@asynccontextmanager
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async def lifespan(app: FastAPI) -> AsyncIterator[None]:
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"""Manage application startup and shutdown resources."""
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logger.info("ebook_search_startup")
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app.state.engine = get_postgres_engine(name="RICHIE", vector_engine=True)
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with Session(app.state.engine) as session:
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ensure_bm25_corpus(session, app.state.config)
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try:
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yield
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finally:
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logger.info("ebook_search_shutdown")
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cancel_bm25_refresh(app)
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app.state.engine.dispose()
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def create_app() -> FastAPI:
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"""Create the EPUB search web app."""
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app = FastAPI(title="EPUB Search", lifespan=lifespan)
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app.add_middleware(ZstdMiddleware)
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app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
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app.state.config = load_config()
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logger.info(
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"ebook_search_config_loaded top_k=%s embedding_model=%s rerank_enabled=%s answer_enabled=%s library_paths=%s",
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app.state.config.top_k,
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app.state.config.embedding_model,
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app.state.config.rerank.enabled,
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app.state.config.answer_enabled,
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len(app.state.config.library_paths),
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)
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app.include_router(admin_router)
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app.include_router(page_router)
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app.include_router(search_router)
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return app
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def serve(
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host: Annotated[str, typer.Option("--host", "-h", help="Host to bind to")] = "127.0.0.1",
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port: Annotated[int, typer.Option("--port", "-p", help="Port to bind to")] = 8070,
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log_level: Annotated[str, typer.Option("--log-level", "-l", help="Log level")] = "INFO",
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) -> None:
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"""Start the EPUB search server."""
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configure_logger(log_level)
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uvicorn.run(create_app(), host=host, port=port)
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if __name__ == "__main__":
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typer.run(serve)
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