code: def get_entry_map(self, group=None):
          
          try:
              ep_map = self._ep_map
          except AttributeError:
              ep_map = self._ep_map = EntryPoint.parse_map(
                  self._get_metadata('entry_points.txt'), self
              )
          if group is not None:
              return ep_map.get(group, {})
          return ep_map
docs: Return the entry point map for `group`, or the full entry map