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# 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.
import collections
import dateutil.parser
import numbers
import six
#from toscalib.utils.gettextutils import _
def str_to_num(value):
'''Convert a string representation of a number into a numeric type.'''
if isinstance(value, numbers.Number):
return value
try:
return int(value)
except ValueError:
return float(value)
def validate_number(value):
return str_to_num(value)
def validate_integer(value):
if not isinstance(value, int):
try:
value = int(value)
except Exception:
raise ValueError(_('"%s" is not an integer') % value)
return value
def validate_float(value):
if not isinstance(value, float):
raise ValueError(_('"%s" is not a float') % value)
return validate_number(value)
def validate_string(value):
if not isinstance(value, six.string_types):
raise ValueError(_('"%s" is not a string') % value)
return value
def validate_list(value):
if not isinstance(value, list):
raise ValueError(_('"%s" is not a list') % value)
return value
def validate_map(value):
if not isinstance(value, collections.Mapping):
raise ValueError(_('"%s" is not a map') % value)
return value
def validate_boolean(value):
if isinstance(value, bool):
return value
if isinstance(value, str):
normalised = value.lower()
if normalised in ['true', 'false']:
return normalised == 'true'
raise ValueError(_('"%s" is not a boolean') % value)
def validate_timestamp(value):
return dateutil.parser.parse(value)
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