|
|
@@ -3,6 +3,12 @@ from numbers import Number
|
|
|
from src.errors.argument_exception import argument_exception
|
|
|
|
|
|
class validator:
|
|
|
+ # Singleton
|
|
|
+ def __new__(cls):
|
|
|
+ if not hasattr(cls, "instance"):
|
|
|
+ cls.instance = super(validator, cls).__new__(cls)
|
|
|
+ return cls.instance
|
|
|
+
|
|
|
def check_type(self, value, exp_type):
|
|
|
"""
|
|
|
Валидация аргумента по типу
|
