75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
#
|
|
# 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 oslo_utils import strutils
|
|
|
|
from heat.common.i18n import _
|
|
|
|
|
|
def extract_bool(name, value):
|
|
'''
|
|
Convert any true/false string to its corresponding boolean value,
|
|
regardless of case.
|
|
'''
|
|
if str(value).lower() not in ('true', 'false'):
|
|
raise ValueError(_('Unrecognized value "%(value)s" for "%(name)s", '
|
|
'acceptable values are: true, false.')
|
|
% {'value': value, 'name': name})
|
|
return strutils.bool_from_string(value, strict=True)
|
|
|
|
|
|
def extract_int(name, value, allow_zero=True, allow_negative=False):
|
|
if value is None:
|
|
return None
|
|
|
|
if not strutils.is_int_like(value):
|
|
raise ValueError(_("Only integer is acceptable by "
|
|
"'%(name)s'.") % {'name': name})
|
|
|
|
if value in ('0', 0):
|
|
if allow_zero:
|
|
return int(value)
|
|
raise ValueError(_("Only non-zero integer is acceptable by "
|
|
"'%(name)s'.") % {'name': name})
|
|
try:
|
|
result = int(value)
|
|
except (TypeError, ValueError):
|
|
raise ValueError(_("Value '%(value)s' is invalid for '%(name)s' "
|
|
"which only accepts integer.") %
|
|
{'name': name, 'value': value})
|
|
|
|
if allow_negative is False and result < 0:
|
|
raise ValueError(_("Value '%(value)s' is invalid for '%(name)s' "
|
|
"which only accepts non-negative integer.") %
|
|
{'name': name, 'value': value})
|
|
|
|
return result
|
|
|
|
|
|
def extract_tags(subject):
|
|
tags = subject.split(',')
|
|
for tag in tags:
|
|
if len(tag) > 80:
|
|
raise ValueError(_('Invalid tag, "%s" is longer than 80 '
|
|
'characters') % tag)
|
|
return tags
|
|
|
|
|
|
def extract_template_type(subject):
|
|
template_type = subject.lower()
|
|
if template_type not in ('cfn', 'hot'):
|
|
raise ValueError(_('Invalid template type "%(value)s", valid '
|
|
'types are: cfn, hot.') %
|
|
{'value': subject})
|
|
return template_type
|