deb-sahara/sahara/utils/types.py
Ken Chen 41a38a981d Transform configuration values into int or float when needed
All configuration values from Horizon are read as string. We turn
them into int or float.

Closes-Bug: #1460763
Change-Id: I1c04dd74077624cb75d00cbd65692af1246b4d69
2015-06-09 08:51:20 +08:00

108 lines
2.5 KiB
Python

# Copyright (c) 2013 Mirantis 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 sahara.i18n import _
class FrozenList(list):
def append(self, p_object):
raise FrozenClassError(self)
def extend(self, iterable):
raise FrozenClassError(self)
def insert(self, index, p_object):
raise FrozenClassError(self)
def pop(self, index=None):
raise FrozenClassError(self)
def remove(self, value):
raise FrozenClassError(self)
def reverse(self):
raise FrozenClassError(self)
def sort(self, cmp=None, key=None, reverse=False):
raise FrozenClassError(self)
def __add__(self, y):
raise FrozenClassError(self)
def __delitem__(self, y):
raise FrozenClassError(self)
def __delslice__(self, i, j):
raise FrozenClassError(self)
def __iadd__(self, y):
raise FrozenClassError(self)
def __imul__(self, y):
raise FrozenClassError(self)
def __setitem__(self, i, y):
raise FrozenClassError(self)
def __setslice__(self, i, j, y):
raise FrozenClassError(self)
class FrozenDict(dict):
def clear(self):
raise FrozenClassError(self)
def pop(self, k, d=None):
raise FrozenClassError(self)
def popitem(self):
raise FrozenClassError(self)
def setdefault(self, k, d=None):
raise FrozenClassError(self)
def update(self, E=None, **F):
raise FrozenClassError(self)
def __delitem__(self, y):
raise FrozenClassError(self)
def __setitem__(self, i, y):
raise FrozenClassError(self)
class FrozenClassError(Exception):
def __init__(self, instance):
self.message = _("Class %s is immutable!") % type(instance).__name__
def is_int(s):
try:
int(s)
return True
except Exception:
return False
def transform_to_num(s):
# s can be a string or non-string.
try:
return int(str(s))
except ValueError:
try:
return float(str(s))
except ValueError:
return s