text: import os
  import sys
  import argparse
  
  import prosto as pr
  #from prosto.Prosto import *
  
  import logging
  log = logging.getLogger("prosto")
  
  
  def run(script_file):
  
      # TODO: Not implemented
      log.error("Script execution is not implemented.".format())
  
      return 0
  
  def main(args = None):
      if not args: args = sys.argv[1:]
  
      programVersion = "Version " + pr.__version__
      programDescription = "Prosto data processing toolkit" + programVersion
  
      parser = argparse.ArgumentParser(description=programDescription)
      parser.add_argument("-v", "--version", action="version", version=programVersion)
  
      parser.add_argument("-l", "--log", dest="loglevel", required=False, choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"], default="INFO", help="Set the logging level (default INFO)")
  
      parser.add_argument("script_file", type=str, help="Script file name")
  
      arguments = parser.parse_args(args)
  
      # Configure logging
      logging.basicConfig(stream=sys.stderr, level=arguments.loglevel, format="%(asctime)s - %(name)s - %(levelname)s: %(message)s")
  
      # Environment
      log.info(programDescription)
  
      exitcode = 1
      try:
          exitcode = run(arguments.script_file)
      except Exception as e:
          log.error("Error executing script file {}.".format(arguments.script_file))
          log.exception(e)
  
      logging.shutdown()
  
      return exitcode
  
  if __name__ == "__main__":
  
      exitcode = main(sys.argv[1:])
  
      if(not exitcode):
          exit()
      else:
          exit(exitcode)
  