openwebrx-clone/owrx/form/input/validator.py

27 lines
792 B
Python

from abc import ABC, abstractmethod
from owrx.form.error import ValidationError
class Validator(ABC):
@abstractmethod
def validate(self, key, value):
pass
class RequiredValidator(Validator):
def validate(self, key, value):
if value is None or value == "":
raise ValidationError(key, "Field is required")
class RangeValidator(Validator):
def __init__(self, minValue, maxValue):
self.minValue = minValue
self.maxValue = maxValue
def validate(self, key, value):
if value is None or value == "":
return # Ignore empty values
n = float(value)
if n < self.minValue or n > self.maxValue:
raise ValidationError(key, 'Value must be between %s and %s'%(self.minValue, self.maxValue))