iaga2hdf.py 文件源码

def read_hdf(hdf_fname, key):
    """
    Read contents of HDF file *hdf_fname* associated with *key* and
    return a :class:`DataFrame`, header tuple.
    """
    if not os.path.isfile(hdf_fname):
        raise ValueError('file {} does not exist'.format(hdf_fname))
    with PD.HDFStore(hdf_fname) as store:
        df = store.get(key)
        header = store.get_storer(key).attrs.header
        return df, header