raise_error

Some decorators supports optoinal raise_error bool option. raise_error sets if a an error will be validation fails.

If raise_error is set to False then a attribute will be added to the decorated funciton.

from kwhelp.decorator import RuleCheckAll
from kwhelp import rules

@RuleCheckAll(rules.RuleIntPositive, raise_error=False)
def add_positives(*args) -> float:
    result = 0
    for arg in args:
        result += arg
    return result

>>> print(add_positives.is_rules_all_valid)
True
>>> result = add_positives(2, -4)
>>> print(add_positives.is_rules_all_valid)
False
>>> result = add_positives(2, 4)
>>> print(add_positives.is_rules_all_valid)
True
>>> print(result)
6