Files
reflector/server/reflector/processors/transcript_translator.py

72 lines
2.5 KiB
Python

import httpx
from reflector.processors.base import Processor
from reflector.processors.types import Transcript, TranslationLanguages
from reflector.settings import settings
from reflector.utils.retry import retry
class TranscriptTranslatorProcessor(Processor):
"""
Translate the transcript into the target language
"""
INPUT_TYPE = Transcript
OUTPUT_TYPE = Transcript
TASK = "translate"
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.transcript = None
self.translate_url = settings.TRANSLATE_URL
self.timeout = settings.TRANSLATE_TIMEOUT
self.headers = {"Authorization": f"Bearer {settings.LLM_MODAL_API_KEY}"}
async def _push(self, data: Transcript):
self.transcript = data
await self.flush()
async def get_translation(self, text: str) -> str | None:
# FIXME this should be a processor after, as each user may want
# different languages
source_language = self.get_pref("audio:source_language", "en")
target_language = self.get_pref("audio:target_language", "en")
if source_language == target_language:
return
languages = TranslationLanguages()
# Only way to set the target should be the UI element like dropdown.
# Hence, this assert should never fail.
assert languages.is_supported(target_language)
self.logger.debug(f"Try to translate {text=}")
json_payload = {
"text": text,
"source_language": source_language,
"target_language": target_language,
}
async with httpx.AsyncClient() as client:
response = await retry(client.post)(
self.translate_url + "/translate",
headers=self.headers,
params=json_payload,
timeout=self.timeout,
follow_redirects=True,
)
response.raise_for_status()
result = response.json()["text"]
# Sanity check for translation status in the result
if target_language in result:
translation = result[target_language]
self.logger.debug(f"Translation response: {text=}, {translation=}")
return translation
async def _flush(self):
if not self.transcript:
return
self.transcript.translation = await self.get_translation(
text=self.transcript.text
)
await self.emit(self.transcript)