Date_Manipulation.py

#!/usr/bin/env python
# coding: utf-8

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from datetime import datetime
from datetime import timedelta


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# now = datetime.now()


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# now


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def convertStrToDateTime(strDate, formatStr = '%Y-%m-%d %H:%M:%S'):
    ret = datetime.strptime(strDate, formatStr)
    return int(ret.timestamp() * 1000)


def getMonthStart(now : datetime):
    ts = (now.replace(day=1, hour=0, minute=0, second=0, microsecond=0).timestamp()) * 1000
    return int(ts)


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# getMonthStart(now)


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def getPrevMonthEnd(now : datetime):
    return int(getMonthStart(now) - 1000)


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# getPrevMonthEnd(now)


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def getMonthEnd(now : datetime):
    for date in (range(31, 27, -1)):
        try:
            ts = (now.replace(day=date, hour=23, minute=59, second=59, microsecond=0).timestamp()) * 1000
            break
        except:
            continue
    return int(ts)


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# getMonthEnd(now)


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def getNextMonthStart(now : datetime):
    return getMonthEnd(now) + 1000


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# getNextMonthStart(now)


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# datetime.fromtimestamp(getNextMonthStart(now) / 1000)


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# datetime.fromtimestamp(getMonthStart(now) / 1000)


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# datetime.fromtimestamp(getPrevMonthEnd(now) / 1000)


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def getDayStart(now : datetime):
    # ts = datetime.combine(now, datetime.min.time()).timestamp() * 1000
    ts = (now.replace(hour=0, minute=0, second=0, microsecond=0).timestamp()) * 1000
    return ts


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def getDayEnd(now : datetime):
    ts = (now.replace(hour=23, minute=59, second=59, microsecond=0).timestamp()) * 1000
    return ts


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def getPrevDayStart(now : datetime):
    now = datetime.fromtimestamp((getDayStart(now) / 1000) - 1)
    ts = (now.replace(hour=0, minute=0, second=0, microsecond=0).timestamp()) * 1000
    return ts

def getPrevDayEnd(now : datetime):
    now = datetime.fromtimestamp((getDayStart(now) / 1000) - 1)
    ts = (now.replace(hour=0, minute=0, second=0, microsecond=0).timestamp()) * 1000
    return ts + 23 * 3600 * 1000 + 59 * 60 * 1000 + 59 * 1000


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now = datetime.now()


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# getDayStart(now)


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# getDayEnd(now)


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# getPrevDayStart(now)


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