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"""Speaker management utilities."""
from typing import List
from src.vtt import create_vtt
from src.whisper import TranscriptSegment
class SpeakerManager:
"""Manages speaker renaming operations."""
@staticmethod
def rename_speaker(
transcripts: List[TranscriptSegment],
old_speaker: str,
new_speaker: str
) -> str:
"""
Rename a speaker in transcripts and return updated VTT.
Args:
transcripts: List of transcript segments
old_speaker: Current speaker name
new_speaker: New speaker name
Returns:
Updated VTT content as string
"""
if not transcripts:
return ""
# Update speaker names in place
for transcript in transcripts:
if transcript.speaker == old_speaker:
transcript.speaker = new_speaker
# Regenerate VTT with updated speakers
vtt = create_vtt(transcripts)
return vtt.content
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