code: def parse_args(pargs=None):
      parser = argparse.ArgumentParser(
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
          description="Sample for sizer",
      )
  
      parser.add_argument(
          "--data0",
          required=False,
          default="../../datas/yhoo-1996-2015.txt",
          help="Data to be read in",
      )
  
      parser.add_argument(
          "--fromdate",
          required=False,
          default="2005-01-01",
          help="Starting date in YYYY-MM-DD format",
      )
  
      parser.add_argument(
          "--todate",
          required=False,
          default="2006-12-31",
          help="Ending date in YYYY-MM-DD format",
      )
  
      parser.add_argument(
          "--ind",
          required=False,
          action="store",
          default=TALibStrategy.INDS[0],
          choices=TALibStrategy.INDS,
          help=("Which indicator pair to show together"),
      )
  
      parser.add_argument(
          "--no-doji",
          required=False,
          action="store_true",
          help=("Remove Doji CandleStick pattern checker"),
      )
  
      parser.add_argument(
          "--use-next",
          required=False,
          action="store_true",
          help=("Use next (step by step) " "instead of once (batch)"),
      )
  
      # Plot options
      parser.add_argument(
          "--plot",
          "-p",
          nargs="?",
          required=False,
          metavar="kwargs",
          const=True,
          help=(
              "Plot the read data applying any kwargs passed\n"
              "\n"
              "For example (escape the quotes if needed):\n"
              "\n"
              '  --plot style="candle" (to plot candles)\n'
          ),
      )
  
      if pargs is not None:
          return parser.parse_args(pargs)
  
      return parser.parse_args()
  
file_path: backtrader/samples/talib/talibtest.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
label_desc: Use image node_id 2 for calling a global function with example usage: parse_args(pargs) and returns: parser, parser