convert_to_mp3

import os
def convert_to_mp3(file,source_dir = "",dest_dir = "",reduce_noise = False):
  """Converts file to mp3
  Creates source_dir if required
  Returns ffmpeg exit code"""
  file_ext = file.split(".")[-1]
  
  if not os.path.isdir(dest_dir):
    os.mkdir(dest_dir)
    
  ffmpeg_command = "ffmpeg -y "
  ffmpeg_command += "-i "+source_dir+"/"+file+" "
  
  """Reduce background noise"""
  if reduce_noise:
    ffmpeg_command += "-af \"highpass=f=200, lowpass=f=3000\" "
    
  ffmpeg_command += dest_dir+"/"+file[:-(len(file_ext)+1)]+".mp3"
  print(ffmpeg_command)
  return os.system(ffmpeg_command)