code: def get_module_data_path(modname, relpath=None, attr_name='DATAPATH'):
      
      datapath = getattr(sys.modules[modname], attr_name, '')
      if datapath:
          return datapath
      else:
          datapath = get_module_path(modname)
          parentdir = osp.join(datapath, osp.pardir)
          if osp.isfile(parentdir):
              # Parent directory is not a directory but the 'library.zip' file:
              # this is either a py2exe or a cx_Freeze distribution
              datapath = osp.abspath(osp.join(osp.join(parentdir, osp.pardir),
                                              modname))
          if relpath is not None:
              datapath = osp.abspath(osp.join(datapath, relpath))
          return datapath
docs: Return module *modname* data path
      Note: relpath is ignored if module has an attribute named *attr_name*
      
      Handles py2exe/cx_Freeze distributions