def __setitem__(self, index, value):
if index < 0:
sql = self.__set_element_from_back
else:
sql = self.__set_element_from_front
cursor = self.conn.execute(sql,
(index, to_db(value,
self.pickle_protocol)))
def __get_helper(self, key):
cursor = self.conn.execute(self.__get_STMT, (to_db(key),))
return cursor.fetchone()
def __delitem__(self, key):
result = self.__get_helper(key)
if result is None:
raise KeyError(key)
self.conn.execute(self.__delete_STMT, (to_db(key),))
self.conn.commit()
def __setitem__(self, key, value):
self.conn.execute(self.__set_STMT, (to_db(key), to_db(value)))
self.conn.commit()
def appendleft(self, value):
self.__decrement_front_finger()
self.__set_helper(self.__set_element_from_front,
0, to_db(value, self.pickle_protocol))
self.conn.commit()
def append(self, value):
self.__set_helper(self.__set_element_from_back,
0, to_db(value, self.pickle_protocol))
self.__increment_back_finger()
self.conn.commit()