Validators

A validator takes a value and raise ValidationError if it doesn`t meet some criteria.

Built-in validators

class edipy.validators.Range(min_value, max_value)

Validate if a value is within a specific range of values

Parameters

• min_value – minimum value of the validation range.

• max_value – maximum value of the validation range.

class edipy.validators.MaxValue(max_value)

Validate if a value is greater than the limit

Parameters

max_value – maximum value allowed.

class edipy.validators.MinValue(min_value)

Validate if a value is less than the limit

Parameters

min_value – minimum value allowed.

class edipy.validators.Regex(pattern)

Validates if a value matches the pattern

Parameters

pattern – regular expression

class edipy.validators.Email

Validates if value is a valid email

How to extend

from edipy import validators, fields, exceptions, parser

class MyValidator(validators.Validator):

    def validate(self, value):
        if value != "edi":
            raise exceptions.ValidationError(message=u"Value should be edi")
        return True


class ValidatorExample(fields.EDIModel):
    data = fields.String(3, validators=[MyValidator()])

try:
    data = 'aaa'
    example = parser.parse(ValidatorExample, data)
except exceptions.ValidationError as e:
    print(e.message)