"""Return module *modname* data path

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))