Function _get_index_level

python/pyarrow/pandas_compat.py:517–527

Get the index level of a DataFrame given 'name' (column name in an arrow Schema).

(df, name)

def _get_index_level(df, name):
    """
    Get the index level of a DataFrame given 'name' (column name in an arrow
    Schema).
    """
    key = name
    if name not in df.index.names and _is_generated_index_name(name):
        # we know we have an autogenerated name => extract number and get
        # the index level positionally
        key = int(name[len("__index_level_"):-2])
    return df.index.get_level_values(key)


def _level_name(name):