code: def main():
      cli_helper = Helper()
      # Config is required to run first so it can
      # initialize/find datmo home directory (.datmo)
      # This is required for logging to place the logs in a
      # place for the user.
      config = Config()
      config.set_home(os.getcwd())
  
      log = DatmoLogger.get_logger(__name__)
      log.info("handling command %s", config.home)
  
      # parse_args defaults to [1:] for args, but you need to
      # exclude the rest of the args too, or validation will fail
      # args = parser.parse_args(sys.argv[1:2])
      if (
          len(sys.argv) > 1
          and sys.argv[1] in cli_helper.get_command_choices()
      ):
          command_name = sys.argv[1]
          # commands in project.py
          if command_name == "init":
              command_name = "project"
          elif (
              command_name == "version"
              or command_name == "--version"
              or command_name == "-v"
          ):
              command_name = "project"
              sys.argv[1] = "version"
          elif command_name == "status":
              command_name = "project"
              sys.argv[1] = "status"
          elif command_name == "cleanup":
              command_name = "project"
              sys.argv[1] = "cleanup"
          elif command_name == "dashboard":
              command_name = "project"
              sys.argv[1] = "dashboard"
          elif command_name == "configure":
              command_name = "project"
              sys.argv[1] = "configure"
          # commands in workspace.py
          elif command_name in [
              "notebook",
              "jupyterlab",
              "terminal",
              "rstudio",
          ]:
              sys.argv[1] = command_name
              command_name = "workspace"
          # commands in run.py
          elif command_name == "rerun":
              command_name = "run"
              sys.argv[1] = "rerun"
          elif command_name == "run":
              if len(sys.argv) == 2:
                  command_name = "run"
                  sys.argv.append("--help")
              else:
                  command_name = "run"
          elif command_name == "stop":  # stop command in run.py
              if len(sys.argv) == 2:
                  command_name = "run"
                  sys.argv.append("--help")
              else:
                  command_name = "run"
          elif command_name == "ls":  # ls command in run.py
              command_name = "run"
          elif command_name == "delete":  # delete command in run.py
              command_name = "run"
          command_class = cli_helper.get_command_class(command_name)
      elif len(sys.argv) == 1:
          command_name = "datmo_command"
          command_class = cli_helper.get_command_class(command_name)
      else:
          command_class = BaseCommand
  
      # instantiate the command class
      try:
          command_instance = command_class(cli_helper)
      except TypeError as ex:
          cli_helper.echo(
              __("error", "cli.general", "%s %s" % (type(ex), ex))
          )
          return 1
  
      # parse the command line arguments
      try:
          command_instance.parse(sys.argv[1:])
      except CLIArgumentError as ex:
          cli_helper.echo(
              __("error", "cli.general", "%s %s" % (type(ex), ex))
          )
          return 1
  
      try:
          command_instance.execute()
          return 0
      except Exception as ex:
          cli_helper.echo(
              __("error", "cli.general", "%s %s" % (type(ex), ex))
          )
          return 1
  
file_path: datmo/datmo/cli/main.py
imports: import os
  import sys
  from datmo.cli.command.base import BaseCommand
  from datmo.cli.driver.helper import Helper
  from datmo.core.util.exceptions import CLIArgumentError
  from datmo.core.util.i18n import get
  from datmo.core.util.logger import DatmoLogger
  from datmo.config import Config
label_desc: Use image node_id 1 for calling a global function with example usage: main() and returns: int, int, int, int