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# main.py
from fastapi import FastAPI, UploadFile, File, Form, Request
from fastapi.responses import HTMLResponse, JSONResponse, FileResponse
from fastapi.staticfiles import StaticFiles
from fastapi.middleware.cors import CORSMiddleware
from fastapi.templating import Jinja2Templates
import tempfile, os
from app_logic import extract_text, generate_summary, text_to_speech, create_pdf
from app_image_logic import generate_caption
app = FastAPI()
app.add_middleware(CORSMiddleware, allow_origins=["*"], allow_credentials=True, allow_methods=["*"], allow_headers=["*"])
app.mount("/static", StaticFiles(directory="static"), name="static")
app.mount("/resources", StaticFiles(directory="resources"), name="resources")
templates = Jinja2Templates(directory="templates")
@app.get("/", response_class=HTMLResponse)
async def serve_home(request: Request):
return templates.TemplateResponse("HomeS.html", {"request": request})
@app.post("/summarize/")
async def summarize_document_endpoint(file: UploadFile = File(...), length: str = Form("medium")):
contents = await file.read()
with tempfile.NamedTemporaryFile(delete=False) as tmp:
tmp.write(contents)
tmp_path = tmp.name
file_ext = file.filename.split('.')[-1].lower()
text, error = extract_text(tmp_path, file_ext)
if error:
return JSONResponse({"detail": error}, status_code=400)
if not text or len(text.split()) < 30:
return JSONResponse({"detail": "Document too short to summarize"}, status_code=400)
summary = generate_summary(text, length)
audio_path = text_to_speech(summary)
pdf_path = create_pdf(summary, file.filename)
response = {"summary": summary}
if audio_path:
response["audioUrl"] = f"/files/{os.path.basename(audio_path)}"
if pdf_path:
response["pdfUrl"] = f"/files/{os.path.basename(pdf_path)}"
return JSONResponse(response)
@app.post("/imagecaption/")
async def caption_image_endpoint(file: UploadFile = File(...)):
contents = await file.read()
with tempfile.NamedTemporaryFile(delete=False, suffix=".png") as tmp:
tmp.write(contents)
image_path = tmp.name
caption = generate_caption(image_path)
return JSONResponse({"caption": caption})
@app.get("/files/{filename}")
async def serve_file(filename: str):
path = os.path.join(tempfile.gettempdir(), filename)
if os.path.exists(path):
return FileResponse(path)
return JSONResponse({"error": "File not found"}, status_code=404)
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