stacktach/stacktach/datetime_to_decimal.py
2014-03-28 11:47:16 -03:00

50 lines
1.6 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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 datetime
import decimal
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 == 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)
def sec_to_str(sec):
sec = int(sec)
if sec < 60:
return "%ds" % sec
minutes = sec / 60
sec = sec % 60
if minutes < 60:
return "%d:%02ds" % (minutes, sec)
hours = minutes / 60
minutes = minutes % 60
return "%02d:%02d:%02d" % (hours, minutes, sec)