code: def get_module_name(package):
      
      distribution = get_distribution(package.DISTRIBUTION_NAME)
      entry_info = distribution.get_entry_info(package.DIST_GROUP, package.ENTRY_POINT)
      if not entry_info:
          raise RuntimeError(
              "Can't find entry info for distribution: %r (group: %r, entry point: %r)" % (
                  package.DISTRIBUTION_NAME, package.DIST_GROUP, package.ENTRY_POINT
              )
          )
      return entry_info.module_name
docs: package must have these attributes:
      e.g.:
          package.DISTRIBUTION_NAME = "DragonPyEmulator"
          package.DIST_GROUP = "console_scripts"
          package.ENTRY_POINT = "DragonPy"
  
      :return: a string like: "dragonpy.core.cli"