root / iooclient / timehandler.py @ 235a5968
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# Copyright 2012 Leonidas Poulopoulos
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import datetime |
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import time |
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def asdayPeriod(timestamp): |
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'''
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Transforms a python datetime timestamp to Alcatel friendly timestamp
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@type timestamp: Python datetime
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@param timestamp: The datetime timestamp
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@rtype: String
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@return: An Alcatel-friendly string: YYYYMMDDQH where QH in [00,96] representing 15min periods in a day.
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'''
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daystring = timestamp.strftime('%Y%m%d')
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dayquarter = "%s" %((timestamp.hour*60 + timestamp.minute)//15) |
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return "%s%s" %(daystring,dayquarter.zfill(2)) |
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def fromdayPeriod(timestring): |
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'''
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Transforms an Alcatel-friendly timestamp to a python datetime timestamp
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@type timestring: String
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@param timestring: An Alcatel-friendly string: YYYYMMDDQH where QH in [00,96] representing 15min periods in a day.
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@rtype: Datetime
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@return: A python datetime timestamp
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'''
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textdate = timestring[0:8] |
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dayquarter = timestring[8:10] |
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# we "steal" a quarter of an hour here...
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daymins = (int(dayquarter)-1)*15 |
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hours = daymins//60
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mins = daymins - hours*60
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datetimestamp = datetime.datetime(*time.strptime(textdate, '%Y%m%d')[:3]+(hours, mins)) |
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# ...and we return it here:
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datetimestamp = datetimestamp + datetime.timedelta(minutes=15)
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return datetimestamp
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