text: # !/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  """
  MIT License
  
  Copyright (c) 2018 Pierre Bouillon [https://pierrebouillon.tech/]
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
  """
  
  import argparse
  from argparse import ArgumentParser
  
  import cli
  from cli import CLI
  
  import interpreter
  from interpreter import Interpreter
  
  import time
  from time import clock
  
  PROG_DESC = """
      Brainfuck interpreter written in Python3.X
      See https://github.com/pBouillon/pynterpreter.git
  """
  
  
  def parse_args():
      """Parse provided args
  
      Add -c option
      Add -f option
      
      Returns:
          (dict) : {opt: val}
      """
      parser = ArgumentParser(description=PROG_DESC)
  
      group = parser.add_mutually_exclusive_group()
      group.add_argument(
          '-c',
          '--code',
          help='Raw BF code'
      )
      group.add_argument(
          '-f',
          '--file',
          help='Path to BF source'
      )
  
      return vars(parser.parse_args())
  
  
  def show_elapsed(beg):
      """Print time elapsed since `beg`
      
      Parameter:
          beg (int) : 
      """
      print('Finished in {0:.3f} ms.'.format(clock() - beg))
  
  
  if __name__ == '__main__':
      beg = clock()
  
      args = parse_args()
      code = args['code']
      source = args['file']
  
      pyint = Interpreter()
  
      # execute raw code
      if code:
          out = pyint.run(code=code)
          print('Output:\n\t' + out)
          show_elapsed(beg)
  
      # execute code from file
      elif source:
          out = pyint.run(file=source)
          print('Output:\n\t' + out)
          show_elapsed(beg)
  
      # cli
      else:
          CLI.run(pyint)
  