stacktach-notification-utils/notification_utils/__init__.py
Levi Blackstone c5b313c297 Add PEP8 check and fix related issues
- Add PEP8 section to tox.ini
- Add hacking to requirements to enforce OpenStack style requirements
- Fix formatting issues flagged by flake8 check
- Add copyright notices to all remaining files
- Update .gitignore file

Change-Id: I8133009ef5db8e98bb4aa00dbdd36d837eabe84f
2015-05-04 15:16:48 -05:00

66 lines
2.0 KiB
Python

# Copyright (c) 2014 Dark Secret Software 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.
import calendar
import collections
import datetime
import decimal
import json
def now():
"""Broken out for testing."""
return datetime.datetime.utcnow()
def dt_to_decimal(utc):
decimal.getcontext().prec = 30
return (decimal.Decimal(str(calendar.timegm(utc.utctimetuple()))) +
(decimal.Decimal(str(utc.microsecond)) / decimal.Decimal(
"1000000.0")))
def dt_from_decimal(dec):
if dec is None:
return "n/a"
integer = int(dec)
micro = (dec - decimal.Decimal(integer)) * decimal.Decimal(1000000)
daittyme = datetime.datetime.utcfromtimestamp(integer)
return daittyme.replace(microsecond=micro)
class DateTimeEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, datetime.datetime):
if obj.utcoffset() is not None:
obj = obj - obj.utcoffset()
return str(dt_to_decimal(obj))
return super(DateTimeEncoder, self).default(obj)
# This is a hack for comparing structures load'ed from json
# (which are always unicode) back to strings. It's used
# for assertEqual() in the tests and is very slow and expensive.
def unicode_to_string(data):
if isinstance(data, basestring):
return str(data)
elif isinstance(data, collections.Mapping):
return dict(map(unicode_to_string, data.iteritems()))
elif isinstance(data, collections.Iterable):
return type(data)(map(unicode_to_string, data))
else:
return data