tut01-lesson6-match_name-2.py

def match_name(self, name_tuple):
    match_list = []
    combinations = self.generate_combinations(name_tuple)
    for comb_tuple in combinations:
        concat_name = self.generate_normalized_name(comb_tuple)
        metaphone_tuple = doublemetaphone(concat_name)
        if metaphone_tuple[0] in self.__lookup_dict[0]:
            match_list.append((concat_name, self.__lookup_dict[0][metaphone_tuple[0]]))
    # Iterate through all matches and check for single result tuples
    # Ensure that the singe result tuples are pointing to the same id
    # If not or no single result tuple exists, return 'None'
    unique_id = None
    for match_tuple in match_list:
        if len(match_tuple[1]) == 1:
            if  unique_id is not None:
                if unique_id != match_tuple[1][0]:
                    unique_id = None
                    break
            else:
                unique_id = match_tuple[1][0]
    return unique_id, match_list