divisibleBy with floating point numbers about jsonschema HOT 3 CLOSED

from decimal import Decimal
...
    def validate_divisibleBy(self, dB, instance, schema):
        x = Decimal(str(instance))
        y = Decimal(str(dB))
        failed = x % y != Decimal(0)

        if failed:
            self.error(u"%r is not divisible by %r" % (instance, dB))

import decimal
import jsonschema

s = {
                "type": "object",
                "properties": {
                    "price": {
                        "type": "number",
                        "divisibleBy": decimal.Decimal("0.01")
                    }
                }
}

jsonschema.validate({"price": decimal.Decimal("1.09")}, s, number_types=(int, float, decimal.Decimal)) # OK
jsonschema.validate({"price": decimal.Decimal("1.89")}, s, number_types=(int, float, decimal.Decimal)) # OK