text: '''formats/utils.py'''
  
  def safe_mkdir(path):
      from shutil import rmtree
      from os import mkdir
      try:
          mkdir(path)
      except OSError:
          rmtree(path)
          mkdir(path)
      return path
  
  def get_width_height(inp):
      if(len(inp.video_streams) == 0):
          return None, None
      else:
          return inp.video_streams[0]['width'], inp.video_streams[0]['height']
  
  def indent(base, *args):
      # type: (int, str) -> str
      r = ''
      for line in args:
          r += ('\t' * base) + line + '\n'
      return r
  