Source code for horizon.utils.validators

# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2012 Nebula, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from django.core.exceptions import ValidationError  # noqa
from django.utils.translation import ugettext_lazy as _

from horizon import conf


[docs]def validate_port_range(port): if port not in range(-1, 65536): raise ValidationError(_("Not a valid port number"))
[docs]def validate_ip_protocol(ip_proto): if ip_proto not in range(-1, 256): raise ValidationError(_("Not a valid IP protocol number"))
[docs]def password_validator(): return conf.HORIZON_CONFIG["password_validator"]["regex"]
[docs]def password_validator_msg(): return conf.HORIZON_CONFIG["password_validator"]["help_text"]
[docs]def validate_port_or_colon_separated_port_range(port_range): """Accepts a port number or a single-colon separated range.""" if port_range.count(':') > 1: raise ValidationError(_("One colon allowed in port range")) ports = port_range.split(':') for port in ports: try: if int(port) not in range(-1, 65536): raise ValidationError(_("Not a valid port number")) except ValueError: raise ValidationError(_("Port number must be integer"))