mirror of
https://github.com/Monadical-SAS/reflector.git
synced 2025-12-20 12:19:06 +00:00
Sergey Mankovsky
ab859d65a6
* Self-hosted gpu api * Refactor self-hosted api * Rename model api tests * Use lifespan instead of startup event * Fix self hosted imports * Add newlines * Add response models * Move gpu dir to the root * Add project description * Refactor lifespan * Update env var names for model api tests * Preload diarizarion service * Refactor uploaded file paths
110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
import uuid
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from typing import Optional, Union
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from fastapi import APIRouter, Body, Depends, Form, HTTPException, Request, UploadFile
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from pydantic import BaseModel
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from pathlib import Path
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from ..auth import apikey_auth
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from ..config import SUPPORTED_FILE_EXTENSIONS, UPLOADS_PATH
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from ..services.transcriber import MODEL_NAME
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from ..utils import cleanup_uploaded_files, download_audio_file
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router = APIRouter(prefix="/v1/audio", tags=["transcription"])
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class WordTiming(BaseModel):
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word: str
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start: float
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end: float
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class TranscriptResult(BaseModel):
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text: str
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words: list[WordTiming]
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filename: Optional[str] = None
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class TranscriptBatchResponse(BaseModel):
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results: list[TranscriptResult]
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@router.post(
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"/transcriptions",
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dependencies=[Depends(apikey_auth)],
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response_model=Union[TranscriptResult, TranscriptBatchResponse],
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)
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def transcribe(
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request: Request,
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file: UploadFile = None,
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files: list[UploadFile] | None = None,
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model: str = Form(MODEL_NAME),
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language: str = Form("en"),
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batch: bool = Form(False),
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):
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service = request.app.state.whisper
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if not file and not files:
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raise HTTPException(
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status_code=400, detail="Either 'file' or 'files' parameter is required"
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)
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if batch and not files:
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raise HTTPException(
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status_code=400, detail="Batch transcription requires 'files'"
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)
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upload_files = [file] if file else files
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uploaded_paths: list[Path] = []
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with cleanup_uploaded_files(uploaded_paths):
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for upload_file in upload_files:
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audio_suffix = upload_file.filename.split(".")[-1].lower()
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if audio_suffix not in SUPPORTED_FILE_EXTENSIONS:
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raise HTTPException(
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status_code=400,
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detail=(
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f"Unsupported audio format. Supported extensions: {', '.join(SUPPORTED_FILE_EXTENSIONS)}"
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),
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)
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unique_filename = f"{uuid.uuid4()}.{audio_suffix}"
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file_path = UPLOADS_PATH / unique_filename
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with open(file_path, "wb") as f:
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content = upload_file.file.read()
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f.write(content)
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uploaded_paths.append(file_path)
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if batch and len(upload_files) > 1:
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results = []
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for path in uploaded_paths:
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result = service.transcribe_file(str(path), language=language)
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result["filename"] = path.name
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results.append(result)
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return {"results": results}
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results = []
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for path in uploaded_paths:
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result = service.transcribe_file(str(path), language=language)
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result["filename"] = path.name
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results.append(result)
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return {"results": results} if len(results) > 1 else results[0]
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@router.post(
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"/transcriptions-from-url",
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dependencies=[Depends(apikey_auth)],
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response_model=TranscriptResult,
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)
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def transcribe_from_url(
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request: Request,
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audio_file_url: str = Body(..., description="URL of the audio file to transcribe"),
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model: str = Body(MODEL_NAME),
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language: str = Body("en"),
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timestamp_offset: float = Body(0.0),
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):
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service = request.app.state.whisper
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with download_audio_file(audio_file_url) as (file_path, _ext):
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file_path = str(file_path)
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result = service.transcribe_vad_url_segment(
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file_path=file_path, timestamp_offset=timestamp_offset, language=language
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)
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return result
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