start_transcribe_job.py

def start_transcribe_job(transcribe, job_name, bucket, file):
    """Starts an AWS Transcribe job
    
    Parameters
    ----------
    transcribe : AWS `transcribe` service client instance
    job_name : str, name of the AWS job
    bucket : str, AWS S3 bucket name
    file : str, name of the mp3 file to transcribe
    
    Returns
    -------
    True: if job started successfully
    
    """
    # this is the location of your mp3 file
    file_uri = f'https://s3.amazonaws.com/{bucket}/{file}'
    
    # try launching the job and return any error messages
    try:
        transcribe.start_transcription_job(
            TranscriptionJobName=job_name,
            Media={'MediaFileUri': file_uri},
            MediaFormat='mp3',
            LanguageCode='en-US')
        return True
    except Exception as e:
        return e