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infra-docker-configs/servers/bwh-hk-cmi/litellm/vertex_dictation.py
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2.5 KiB
Python

"""Scoped Vertex dictation settings; ordinary transcription calls stay unchanged."""
import json
from pathlib import Path
VOCABULARY = Path('/credentials/personal-vocabulary.json')
def vocabulary(path=VOCABULARY):
words = json.loads(path.read_text())
if not isinstance(words, list) or not 1 <= len(words) <= 100:
raise ValueError('Personal vocabulary must contain 1-100 terms')
if any(not isinstance(word, str) or not word.strip() or len(word) > 100 for word in words):
raise ValueError('Invalid personal vocabulary term')
return list(dict.fromkeys(word.strip() for word in words))
def install():
from litellm.llms.vertex_ai.audio_transcription.gemini_transcribe_transformation import (
VertexGeminiAudioTranscriptionConfig,
)
original = VertexGeminiAudioTranscriptionConfig.transform_audio_transcription_request
if getattr(original, '_personal_dictation_patch', False):
return
def transform(self, model, audio_file, optional_params, litellm_params):
if optional_params.get('personal_dictation') is not True:
return original(self, model, audio_file, optional_params, litellm_params)
if model.removeprefix('vertex_ai/') != 'gemini-3.5-transcribe':
raise ValueError('Personal dictation is restricted to Vertex Gemini 3.5 Transcribe')
if optional_params.get('timestamp_granularities') or optional_params.get('response_format') not in (None, 'json', 'text'):
raise ValueError('Personal dictation supports json/text without timestamps')
clean = {key: val for key, val in optional_params.items() if key != 'personal_dictation'}
result = original(self, model, audio_file, clean, litellm_params)
config = result.data.setdefault('generationConfig', {}).setdefault('audioTranscriptionConfig', {})
if set(config) - {'mode', 'languageCodes'} or config.get('mode') not in (None, 'VERBATIM'):
raise ValueError('Unexpected Vertex transcription defaults; review adapter compatibility')
config['mode'] = 'SMART'
config['customVocabulary'] = vocabulary()
return result
transform._personal_dictation_patch = True
VertexGeminiAudioTranscriptionConfig.transform_audio_transcription_request = transform
if __name__ == '__main__':
import sys
from litellm import run_server
from zenmux_transcription import install as install_zenmux_asr
install_zenmux_asr()
install()
sys.argv[0] = 'litellm'
sys.exit(run_server())