validation_integer.py

from .base_validation import BaseValidation

class ValidationInteger(BaseValidation):
    def __init__(self, cldr, params = {}):
        super(ValidationInteger, self).__init__(cldr = cldr, params = params)

        self.__message          = self.rulemessage or ':attribute harus berupa angka bilangan bulat.'
        
    def validate(self):
        ok  = True
        if (self.value is None) or (self.value == ''):
            ok = not self.required
        else:
            try:
               val = int(self.value)
            except ValueError:
               ok = False

        if not ok:
            self.colander_invalid[self.inputname] = self.__message.replace(':attribute', self.title)
            
        return ok