149 lines
3.8 KiB
Python
149 lines
3.8 KiB
Python
"""
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API principale - FastAPI
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"""
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from pathlib import Path
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from fastapi import FastAPI, HTTPException
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from fastapi.staticfiles import StaticFiles
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from fastapi.responses import FileResponse, HTMLResponse
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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import asyncio
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import sse_starlette.sse as sse
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import config
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from backend import wiki_ops, search, ingest, llm
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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class IngestRequest(BaseModel):
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source: str
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class ChatRequest(BaseModel):
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message: str
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history: list = []
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@app.get("/")
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async def root():
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return FileResponse("static/index.html")
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@app.get("/api/wiki/list")
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async def list_wiki():
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return wiki_ops.list_wiki_pages(config.WIKI_ROOT)
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@app.get("/api/wiki/page/{path:path}")
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async def get_page(path: str):
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file_path = config.WIKI_ROOT / "wiki" / path
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if not file_path.exists():
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# Prova con .md
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file_path = config.WIKI_ROOT / "wiki" / f"{path}.md"
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page_data = wiki_ops.read_page(file_path)
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if "error" in page_data:
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raise HTTPException(status_code=404, detail=page_data["error"])
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return page_data
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@app.post("/api/ingest")
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async def ingest_source_endpoint(req: IngestRequest):
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source_path = config.WIKI_ROOT / "raw" / req.source
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if not source_path.exists():
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raise HTTPException(status_code=404, detail=f"Source not found: {req.source}")
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result = await ingest.ingest_source(source_path)
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return result
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@app.get("/api/ingest/stream/{source}")
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async def ingest_stream(source: str):
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source_path = config.WIKI_ROOT / "raw" / source
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if not source_path.exists():
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raise HTTPException(status_code=404, detail=f"Source not found: {source}")
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async def event_generator():
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async for line in ingest.ingest_streaming(source_path):
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yield {"event": "message", "data": line}
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return sse.EventServerResponse(event_generator())
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@app.get("/api/search")
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async def search_wiki(q: str = ""):
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if not q:
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return {"results": []}
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name_results = search.search_by_name(q)
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content_results = search.search_wiki(q)
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return {
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"by_name": name_results,
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"by_content": content_results
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}
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@app.get("/api/wiki/recent")
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async def recent_pages(limit: int = 10):
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return search.get_recent_pages(limit)
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@app.post("/api/chat")
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async def chat(req: ChatRequest):
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# Costruisci context dalla wiki
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wiki_index = wiki_ops.read_page(config.WIKI_ROOT / "wiki" / "index.md")
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overview = wiki_ops.read_page(config.WIKI_ROOT / "wiki" / "overview.md")
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system_prompt = f"""Sei un assistente che risponde basandosi sulla wiki.
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USA SEMPRE [[pagina]] per citare le fonti.
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Wiki Index:
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{wiki_index.get('content', '')}
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Overview:
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{overview.get('content', '')}
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Rispondi in italiano. Cita le fonti con [[nome-pagina]]."""
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messages = [{"role": "system", "content": system_prompt}]
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messages.extend(req.history)
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messages.append({"role": "user", "content": req.message})
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async def event_generator():
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async for token in llm.llm_chat(messages):
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yield {"event": "message", "data": token}
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return sse.EventServerResponse(event_generator())
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@app.get("/api/raw/list")
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async def list_raw():
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"""Lista i file nella directory raw."""
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raw_dir = config.WIKI_ROOT / "raw"
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result = {}
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for category in ["articles", "papers", "repos", "assets"]:
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cat_dir = raw_dir / category
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if cat_dir.exists():
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files = [f.name for f in cat_dir.iterdir() if f.is_file()]
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result[category] = files
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else:
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result[category] = []
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return result
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=config.WEB_PORT) |