Files
nanobot/nanobot/audio/transcription_registry.py
T
moran 9ed638ad70 feat(transcription): add SiliconFlow as transcription provider
- Register SiliconFlow in transcription registry with default model
  FunAudioLLM/SenseVoiceSmall and alias 'silicon'
- Reuse existing OpenAITranscriptionProvider adapter (Whisper-compatible)
- Add generic key/base resolution: fallback to registry env_key and
  default_api_base when provider config is absent
- Add tests for registry entry, alias, adapter, default model, and
  config resolution with env var fallback
2026-06-10 23:05:12 +08:00

102 lines
3.3 KiB
Python

"""Registry for speech-to-text providers.
Provider-specific HTTP adapters live in ``nanobot.providers.transcription``.
This module is the app-level source of truth for provider names, aliases,
default models, and adapter class paths.
"""
from __future__ import annotations
from dataclasses import dataclass
from importlib import import_module
from pathlib import Path
from typing import Any, Protocol
class TranscriptionProviderAdapter(Protocol):
"""Runtime protocol implemented by provider-specific transcription adapters."""
def __init__(
self,
api_key: str | None = None,
api_base: str | None = None,
language: str | None = None,
model: str | None = None,
) -> None: ...
async def transcribe(self, file_path: str | Path) -> str: ...
@dataclass(frozen=True)
class TranscriptionProviderSpec:
name: str
default_model: str
adapter: str
aliases: tuple[str, ...] = ()
def load_adapter(self) -> type[TranscriptionProviderAdapter]:
module_name, _, class_name = self.adapter.partition(":")
if not module_name or not class_name:
raise RuntimeError(f"Invalid transcription adapter path: {self.adapter}")
adapter = getattr(import_module(module_name), class_name)
return adapter
TRANSCRIPTION_PROVIDERS: tuple[TranscriptionProviderSpec, ...] = (
TranscriptionProviderSpec(
name="groq",
default_model="whisper-large-v3",
adapter="nanobot.providers.transcription:GroqTranscriptionProvider",
),
TranscriptionProviderSpec(
name="openai",
default_model="whisper-1",
adapter="nanobot.providers.transcription:OpenAITranscriptionProvider",
),
TranscriptionProviderSpec(
name="openrouter",
default_model="openai/whisper-1",
adapter="nanobot.providers.transcription:OpenRouterTranscriptionProvider",
),
TranscriptionProviderSpec(
name="xiaomi_mimo",
default_model="mimo-v2.5-asr",
adapter="nanobot.providers.transcription:XiaomiMiMoTranscriptionProvider",
aliases=("mimo", "xiaomi"),
),
TranscriptionProviderSpec(
name="stepfun",
default_model="stepaudio-2.5-asr",
adapter="nanobot.providers.transcription:StepFunTranscriptionProvider",
),
TranscriptionProviderSpec(
name="assemblyai",
default_model="universal-3-pro,universal-2",
adapter="nanobot.providers.transcription:AssemblyAITranscriptionProvider",
),
TranscriptionProviderSpec(
name="siliconflow",
default_model="FunAudioLLM/SenseVoiceSmall",
adapter="nanobot.providers.transcription:OpenAITranscriptionProvider",
aliases=("silicon",),
),
)
_BY_NAME = {spec.name: spec for spec in TRANSCRIPTION_PROVIDERS}
_BY_ALIAS = {alias: spec for spec in TRANSCRIPTION_PROVIDERS for alias in spec.aliases}
def transcription_provider_names() -> tuple[str, ...]:
return tuple(spec.name for spec in TRANSCRIPTION_PROVIDERS)
def get_transcription_provider(name: str) -> TranscriptionProviderSpec | None:
return _BY_NAME.get(name)
def resolve_transcription_provider(value: Any) -> TranscriptionProviderSpec | None:
if not isinstance(value, str):
return None
name = value.strip().lower()
return _BY_NAME.get(name) or _BY_ALIAS.get(name)