How to use the cerberus.validator.Validator function in Cerberus

"""

from __future__ import absolute_import

from cerberus.validator import DocumentError, Validator
from cerberus.schema import rules_set_registry, schema_registry, SchemaError
from cerberus.utils import TypeDefinition


__version__ = "1.2"

__all__ = [
    DocumentError.__name__,
    SchemaError.__name__,
    TypeDefinition.__name__,
    Validator.__name__,
    'schema_registry',
    'rules_set_registry',
]

def get_Validator_class():
    global Validator
    if 'Validator' not in globals():
        from cerberus.validator import Validator
    return Validator

from cerberus.validator import DocumentError, Validator
from cerberus.schema import rules_set_registry, schema_registry, SchemaError
from cerberus.utils import TypeDefinition


try:
    __version__ = get_distribution("Cerberus").version
except DistributionNotFound:
    __version__ = "unknown"

__all__ = [
    DocumentError.__name__,
    SchemaError.__name__,
    TypeDefinition.__name__,
    Validator.__name__,
    "schema_registry",
    "rules_set_registry",
]

def get_Validator_class():
    global Validator
    if 'Validator' not in globals():
        from cerberus.validator import Validator
    return Validator

raise ValidationError({'package': ['No module named {}'.format(package)]})


def load_schema(directory, filename=None):
    try:
        return load_yaml_schema(directory)
    except IOError:
        try:
            return load_py_schema(directory)
        except ImportError:
            raise IOError(
                'Neither .yaml nor .py schema found in %s' %
                directory)


class PatchedValidator(Validator):

    def _validate_description(self, description, field, value):
        """ {'type': 'string'} """
        pass

    def _validate_values_description(self, values_description, field, value):
        """ {'type': 'dict'} """
        pass

    def _validate_tutorial_link(self, tutorial_link, field, value):
        """ {'type': 'string'} """
        pass

    def _validate_examples(self, examples, field, value):
        """ {'type': 'dict'} """
        pass

raise ValidationError({'package': ['No module named {}'.format(package)]})


def load_schema(directory, filename=None):
    try:
        return load_yaml_schema(directory)
    except IOError:
        try:
            return load_py_schema(directory)
        except ImportError:
            raise IOError(
                'Neither .yaml nor .py schema found in %s' %
                directory)


class PatchedValidator(Validator):

    def _validate_description(self, description, field, value):
        """ {'type': 'string'} """
        pass

    def _validate_values_description(self, values_description, field, value):
        """ {'type': 'dict'} """
        pass

    def _validate_tutorial_link(self, tutorial_link, field, value):
        """ {'type': 'string'} """
        pass

    def _validate_examples(self, examples, field, value):
        """ {'type': 'dict'} """
        pass