old_contents: import sys
  
  from .command import Command
  from .init import Init
  from .build import Build
  from .register import Register
  from .publish import Publish
  from .test import Test
  
  
  class Main(Command):
  
      commands = {
          'init': Init,
          'build': Build,
          'register': Register,
          'publish': Publish,
          'test': Test,
      }
  
      def run(self, args=None):
          self._ensure_current_directory_is_on_path()
          print('')
          if args is None:
              args = sys.argv[:]
          args.pop(0)
          command_key = args.pop(0) if args else None
          if command_key:
              self._run_command(command_key, args)
          else:
              self._show_help()
          print('')
  
      def _ensure_current_directory_is_on_path(self):
          if '' not in sys.path:
              sys.path.append('')
  
      def _show_help(self):
          self.echo('Commands:')
          self.echo('')
          self.echo('init                Create a package.py file in your current directory')
          self.echo('build               Reads the package.py file and builds the package')
          self.echo('register ENV        Register the built package with PyPI (staging or production)')
          self.echo('publish ENV         Uploads the built package to PyPI (staging or production)')
  
      def _run_command(self, command_key, args):
          command_class = self.commands.get(command_key)
          if not command_class:
              self.abort('ABORT: Unknown command "' + command_key + '"')
          command = command_class()
          command.run(*args)
  
  
  def run():
      Main().run()
  
  
  if __name__ == '__main__':
      run()
  
new_contents: import sys
  
  from .command import Command
  from .init import Init
  from .build import Build
  from .register import Register
  from .publish import Publish
  from .test import Test
  
  
  class Main(Command):
  
      commands = {
          'init': Init,
          'build': Build,
          'register': Register,
          'publish': Publish,
          'test': Test,
      }
  
      def run(self, args=None):
          self._ensure_current_directory_is_on_path()
          print('')
          if args is None:
              args = sys.argv[:]
          args.pop(0)
          command_key = args.pop(0) if args else None
          if command_key:
              self._run_command(command_key, args)
          else:
              self._show_help()
          print('')
  
      def _ensure_current_directory_is_on_path(self):
          if '' not in sys.path:
              sys.path.append('')
  
      def _show_help(self):
          self.echo('Commands:')
          self.echo('')
          self.echo('init                Create a package.py file in your current directory')
          self.echo('build               Reads the package.py file and builds the package')
          self.echo('register ENV        Register the built package with PyPI (staging or production)')
          self.echo('publish ENV         Uploads the built package to PyPI (staging or production)')
          self.echo('test PACKAGE        Installs the specified PACKAGE from the staging server (with pip)')
  
      def _run_command(self, command_key, args):
          command_class = self.commands.get(command_key)
          if not command_class:
              self.abort('ABORT: Unknown command "' + command_key + '"')
          command = command_class()
          command.run(*args)
  
  
  def run():
      Main().run()
  
  
  if __name__ == '__main__':
      run()
  
subject: Add help text for the test command