Delete app.py
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app.py
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import os
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import tempfile
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import asyncio
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from fastapi import FastAPI, WebSocket, WebSocketDisconnect
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from fastapi.middleware.cors import CORSMiddleware
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from faster_whisper import WhisperModel
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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_methods=["*"],
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allow_headers=["*"],
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)
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# ─── Model Load ───────────────────────────────────────────────────────────────
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print("Loading Whisper model...")
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model = WhisperModel("large-v3", device="cpu", compute_type="int8")
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print("Whisper model ready!")
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# ─── Health ───────────────────────────────────────────────────────────────────
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@app.get("/health")
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async def health():
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return {"status": "ok", "message": "SubFlow backend is running"}
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# ─── WebSocket Transcribe ─────────────────────────────────────────────────────
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@app.websocket("/transcribe")
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async def transcribe(websocket: WebSocket):
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await websocket.accept()
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tmp_path = None
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try:
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# مرحله ۱ — دریافت فایل صوتی
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await websocket.send_json({"status": "receiving"})
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audio_bytes = await websocket.receive_bytes()
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# مرحله ۲ — ذخیره موقت روی دیسک
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with tempfile.NamedTemporaryFile(suffix=".wav", delete=False) as tmp:
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tmp.write(audio_bytes)
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tmp_path = tmp.name
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# مرحله ۳ — transcription
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await websocket.send_json({"status": "transcribing"})
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segments, info = model.transcribe(
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tmp_path,
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language="en",
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word_timestamps=True,
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vad_filter=True,
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)
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# مرحله ۴ — ساخت SRT
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await websocket.send_json({"status": "processing"})
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srt_entries = []
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index = 1
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for segment in segments:
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words = list(segment.words)
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if not words:
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continue
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start = words[0].start
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end = words[-1].end
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text = segment.text.strip()
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srt_entries.append({
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"index": index,
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"start": start,
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"end": end,
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"text": text,
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"words": [{"word": w.word, "start": w.start, "end": w.end} for w in words]
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})
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index += 1
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# مرحله ۵ — ارسال نتیجه
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await websocket.send_json({
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"status": "done",
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"segments": srt_entries,
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"language": info.language,
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"duration": info.duration,
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})
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except WebSocketDisconnect:
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pass
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except Exception as e:
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await websocket.send_json({"status": "error", "message": str(e)})
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finally:
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if tmp_path and os.path.exists(tmp_path):
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os.remove(tmp_path)
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await websocket.close()
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