How to use the yamale.validators.base.Validator function in yamale

try:
    from collections.abc import Sequence, Mapping
except ImportError:
    from collections import Sequence, Mapping


class String(Validator):
    """String validator"""
    tag = 'str'
    constraints = [con.LengthMin, con.LengthMax, con.CharacterExclude]

    def _is_valid(self, value):
        return util.isstr(value)


class Number(Validator):
    """Number/float validator"""
    value_type = float
    tag = 'num'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, (int, float))


class Integer(Validator):
    """Integer validator"""
    value_type = int
    tag = 'int'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):

def fail(self, value):
        return '\'%s\' not in %s' % (value, self.enums)


class Day(Validator):
    """Day validator. Format: YYYY-MM-DD"""
    value_type = date
    tag = 'day'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, date)


class Timestamp(Validator):
    """Timestamp validator. Format: YYYY-MM-DD HH:MM:SS"""
    value_type = datetime
    tag = 'timestamp'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, datetime)


class Map(Validator):
    """Map and dict validator"""
    tag = 'map'

    def __init__(self, *args, **kwargs):
        super(Map, self).__init__(*args, **kwargs)
        self.validators = [val for val in args if isinstance(val, Validator)]

class Enum(Validator):
    """Enum validator"""
    tag = 'enum'

    def __init__(self, *args, **kwargs):
        super(Enum, self).__init__(*args, **kwargs)
        self.enums = args

    def _is_valid(self, value):
        return value in self.enums

    def fail(self, value):
        return '\'%s\' not in %s' % (value, self.enums)


class Day(Validator):
    """Day validator. Format: YYYY-MM-DD"""
    value_type = date
    tag = 'day'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, date)


class Timestamp(Validator):
    """Timestamp validator. Format: YYYY-MM-DD HH:MM:SS"""
    value_type = datetime
    tag = 'timestamp'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):

flags = 0
        for k, v in util.get_iter(self._regex_flags):
            flags |= v if kwargs.pop(k, False) else 0

        self.regexes = [re.compile(arg, flags) for arg in args if util.isstr(arg)]
        super(Regex, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return util.isstr(value) and any(r.match(value) for r in self.regexes)

    def get_name(self):
        return self.regex_name or self.tag + " match"


class Ip(Validator):
    """IP address validator"""
    tag = 'ip'
    constraints = [con.IpVersion]

    def _is_valid(self, value):
        return self.ip_address(value)

    def ip_address(self, value):
        try:
            import ipaddress
        except ImportError:
            raise ImportError("You must install the ipaddress backport in Py2")
        try:
            ipaddress.ip_interface(util.to_unicode(value))
        except ValueError:
            return False

import re
from datetime import date, datetime
from .base import Validator
from . import constraints as con
from .. import util

# ABCs for containers were moved to their own module
try:
    from collections.abc import Sequence, Mapping
except ImportError:
    from collections import Sequence, Mapping


class String(Validator):
    """String validator"""
    tag = 'str'
    constraints = [con.LengthMin, con.LengthMax, con.CharacterExclude]

    def _is_valid(self, value):
        return util.isstr(value)


class Number(Validator):
    """Number/float validator"""
    value_type = float
    tag = 'num'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, (int, float))

return self.include_name


class Any(Validator):
    """Any of several types validator"""
    tag = 'any'

    def __init__(self, *args, **kwargs):
        self.validators = [val for val in args if isinstance(val, Validator)]
        super(Any, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return True


class Null(Validator):
    """Validates null"""
    value_type = None
    tag = 'null'

    def _is_valid(self, value):
        return value is None


class Regex(Validator):
    """Regular expression validator"""
    tag = 'regex'
    _regex_flags = {'ignore_case': re.I, 'multiline': re.M, 'dotall': re.S}

    def __init__(self, *args, **kwargs):
        self.regex_name = kwargs.pop('name', None)

tag = 'int'
    constraints = [con.Min, con.Max]

    def _is_valid(self, value):
        return isinstance(value, int)


class Boolean(Validator):
    """Boolean validator"""
    tag = 'bool'

    def _is_valid(self, value):
        return isinstance(value, bool)


class Enum(Validator):
    """Enum validator"""
    tag = 'enum'

    def __init__(self, *args, **kwargs):
        super(Enum, self).__init__(*args, **kwargs)
        self.enums = args

    def _is_valid(self, value):
        return value in self.enums

    def fail(self, value):
        return '\'%s\' not in %s' % (value, self.enums)


class Day(Validator):
    """Day validator. Format: YYYY-MM-DD"""

super(Any, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return True


class Null(Validator):
    """Validates null"""
    value_type = None
    tag = 'null'

    def _is_valid(self, value):
        return value is None


class Regex(Validator):
    """Regular expression validator"""
    tag = 'regex'
    _regex_flags = {'ignore_case': re.I, 'multiline': re.M, 'dotall': re.S}

    def __init__(self, *args, **kwargs):
        self.regex_name = kwargs.pop('name', None)

        flags = 0
        for k, v in util.get_iter(self._regex_flags):
            flags |= v if kwargs.pop(k, False) else 0

        self.regexes = [re.compile(arg, flags) for arg in args if util.isstr(arg)]
        super(Regex, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return util.isstr(value) and any(r.match(value) for r in self.regexes)

"""Include validator"""
    tag = 'include'

    def __init__(self, *args, **kwargs):
        self.include_name = args[0]
        self.strict = kwargs.pop('strict', None)
        super(Include, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return True

    def get_name(self):
        return self.include_name


class Any(Validator):
    """Any of several types validator"""
    tag = 'any'

    def __init__(self, *args, **kwargs):
        self.validators = [val for val in args if isinstance(val, Validator)]
        super(Any, self).__init__(*args, **kwargs)

    def _is_valid(self, value):
        return True


class Null(Validator):
    """Validates null"""
    value_type = None
    tag = 'null'