Files
BiliNote/backend/app/transcriber/transcriber_provider.py
思诺特 171dea5e0d feat: 新增模型管理和供应商配置功能
### v1.1.0
- #### Added
  - 新增 AI 笔记风格选择
  - 新增 AI 笔记返回格式选择
  - 添加 AI 自定义笔记备注 Prompt
  - 添加任务失败重试
  - 添加全局设置页,可在设置页进行模型设置

- #### Optimize
  - 优化前端样式,优化用户体验
  - 增加生成中间产物,可用于失败后加快生成速度
- #### Fix
  - 修复视频截图视频过早删除错误
2025-04-26 23:40:17 +08:00

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import os
import platform
from app.transcriber.whisper import WhisperTranscriber
from app.transcriber.bcut import BcutTranscriber
from app.transcriber.kuaishou import KuaishouTranscriber
from app.utils.logger import get_logger
logger = get_logger(__name__)
# 只在Apple平台且设置了环境变量时才导入MLX Whisper
if platform.system() == "Darwin" and os.environ.get("TRANSCRIBER_TYPE") == "mlx-whisper":
try:
from app.transcriber.mlx_whisper_transcriber import MLXWhisperTranscriber
MLX_WHISPER_AVAILABLE = True
logger.info("MLX Whisper 可用,已导入")
except ImportError:
MLX_WHISPER_AVAILABLE = False
logger.warning("MLX Whisper 导入失败,可能未安装或平台不支持")
else:
MLX_WHISPER_AVAILABLE = False
logger.info('初始化转录服务提供器')
# 维护各种转录器的单例实例
_transcribers = {
'bcut': None,
'kuaishou': None,
'mlx-whisper': None,
'fast-whisper':None
}
def get_whisper_transcriber(model_size="base", device="cuda"):
"""获取 Whisper 转录器实例"""
if _transcribers['fast-whisper'] is None:
logger.info(f'创建 Whisper 转录器实例,参数:{model_size}, {device}')
try:
_transcribers['whisper'] = WhisperTranscriber(model_size=model_size, device=device)
logger.info('Whisper 转录器创建成功')
except Exception as e:
logger.error(f"Whisper 转录器创建失败: {e}")
raise
return _transcribers['whisper']
def get_bcut_transcriber():
"""获取 Bcut 转录器实例"""
if _transcribers['bcut'] is None:
logger.info('创建 Bcut 转录器实例')
try:
_transcribers['bcut'] = BcutTranscriber()
logger.info('Bcut 转录器创建成功')
except Exception as e:
logger.error(f"Bcut 转录器创建失败: {e}")
raise
return _transcribers['bcut']
def get_kuaishou_transcriber():
"""获取快手转录器实例"""
if _transcribers['kuaishou'] is None:
logger.info('创建快手转录器实例')
try:
_transcribers['kuaishou'] = KuaishouTranscriber()
logger.info('快手转录器创建成功')
except Exception as e:
logger.error(f"快手转录器创建失败: {e}")
raise
return _transcribers['kuaishou']
def get_mlx_whisper_transcriber(model_size="base"):
"""获取 MLX Whisper 转录器实例"""
if not MLX_WHISPER_AVAILABLE:
logger.warning("MLX Whisper 不可用请确保在Apple平台且已安装mlx_whisper")
raise ImportError("MLX Whisper 不可用请确保在Apple平台且已安装mlx_whisper")
if _transcribers['mlx-whisper'] is None:
logger.info(f'创建 MLX Whisper 转录器实例,参数:{model_size}')
try:
_transcribers['mlx-whisper'] = MLXWhisperTranscriber(model_size=model_size)
logger.info('MLX Whisper 转录器创建成功')
except Exception as e:
logger.error(f"MLX Whisper 转录器创建失败: {e}")
raise
return _transcribers['mlx-whisper']
def get_transcriber(transcriber_type="fast-whisper", model_size="base", device="cuda"):
"""
获取指定类型的转录器实例
参数:
transcriber_type: 转录器类型,支持 "fast-whisper", "bcut", "kuaishou", "mlx-whisper"(仅Apple平台)
model_size: 模型大小whisper 和 mlx-whisper 特有参数
device: 设备类型whisper 特有参数
返回:
对应类型的转录器实例
"""
logger.info(f'获取转录器,类型: {transcriber_type}')
if transcriber_type == "fast-whisper":
whisper_model_size = os.environ.get("WHISPER_MODEL_SIZE",model_size)
return get_whisper_transcriber(whisper_model_size, device=device)
elif transcriber_type == "mlx-whisper":
whisper_model_size = os.environ.get("WHISPER_MODEL_SIZE",model_size)
if not MLX_WHISPER_AVAILABLE:
logger.warning("MLX Whisper 不可用,回退到 fast-whisper")
return get_whisper_transcriber(whisper_model_size, device=device)
return get_mlx_whisper_transcriber(whisper_model_size)
elif transcriber_type == "bcut":
return get_bcut_transcriber()
elif transcriber_type == "kuaishou":
return get_kuaishou_transcriber()
else:
logger.warning(f'未知转录器类型 "{transcriber_type}",使用默认 whisper')
whisper_model_size = os.environ.get("WHISPER_MODEL_SIZE",model_size)
return get_whisper_transcriber(whisper_model_size, device)