AutoFlatten is_leaf

is_leaf.py

def is_leaf(self, data):
    '''
    Description: 
    This function checks if the particular field in the schema is a leaf or not.
    Types not considered as a leaf : struct, array

    :param data: [type: dict] a dictionary containing metadata about a field

    :return leaf: [type: bool] indicates whether a given field is a leaf or not
    '''
    try:
        if isinstance(data['type'], str):
            leaf = True if data['type'] != 'struct' else False
        else:
            leaf = True if data['type']['type'] == 'map' else False
    except:
        leaf = False
    finally:
      return leaf