|
max_len = 21
|
|
min_len = 1
|
|
|
|
class IdentityName(str):
|
|
def __new__(cls, data):
|
|
if data[0] == '0':
|
|
raise ValueError("Name cannot start with 0")
|
|
if not len(data) in list(range(1, 21)):
|
|
raise ValueError(f"Must be in range({min_len}, {max_len})")
|
|
return super().__new__(cls, data) |