code: def parse_args(args=None):
      
      import sys
      from argparse import ArgumentParser
      from path_helpers import path
  
      if args is None:
          args = sys.argv
  
      parser = ArgumentParser(description='Example app for drawing shapes from '
                              'dataframe, scaled to fit to GTK canvas while '
                              'preserving aspect ratio (a.k.a., aspect fit).')
      parser.add_argument('svg_filepath', type=path, default=None)
      parser.add_argument('-p', '--padding-fraction', type=float, default=0)
  
      args = parser.parse_args()
      return args
docs: Parses arguments, returns (options, args).