adii1823
144 lines
3.3 KiB
Python
144 lines
3.3 KiB
Python
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# imports
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>>> from datetime import date, datetime, timedelta, timezone
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>>> import time
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>>> import calendar as cal
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>>> from zoneinfo import ZoneInfo
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# date
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>>> today = date.today()
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>>> today
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datetime.date(2021, 3, 28)
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>>> today.ctime()
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'Sun Mar 28 00:00:00 2021'
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>>> today.isoformat()
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'2021-03-28'
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>>> today.weekday()
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6
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>>> cal.day_name[today.weekday()]
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'Sunday'
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>>> today.day, today.month, today.year
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(28, 3, 2021)
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>>> today.timetuple()
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time.struct_time(
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tm_year=2021, tm_mon=3, tm_mday=28,
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tm_hour=0, tm_min=0, tm_sec=0,
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tm_wday=6, tm_yday=87, tm_isdst=-1
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)
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# time
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>>> time.ctime()
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'Sun Mar 28 15:23:17 2021'
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>>> time.daylight
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1
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>>> time.gmtime()
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time.struct_time(
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tm_year=2021, tm_mon=3, tm_mday=28,
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tm_hour=14, tm_min=23, tm_sec=34,
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tm_wday=6, tm_yday=87, tm_isdst=0
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)
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>>> time.gmtime(0)
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time.struct_time(
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tm_year=1970, tm_mon=1, tm_mday=1,
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tm_hour=0, tm_min=0, tm_sec=0,
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tm_wday=3, tm_yday=1, tm_isdst=0
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)
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>>> time.localtime()
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time.struct_time(
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tm_year=2021, tm_mon=3, tm_mday=28,
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tm_hour=15, tm_min=23, tm_sec=50,
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tm_wday=6, tm_yday=87, tm_isdst=1
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)
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>>> time.time()
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1616941458.149149
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# datetime, timezones and tiemdeltas
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>>> now = datetime.now()
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>>> utcnow = datetime.utcnow()
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>>> now
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datetime.datetime(2021, 3, 28, 15, 25, 16, 258274)
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>>> utcnow
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datetime.datetime(2021, 3, 28, 14, 25, 22, 918195)
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>>> now.date()
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datetime.date(2021, 3, 28)
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>>> now.day, now.month, now.year
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(28, 3, 2021)
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>>> now.date() == date.today()
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True
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>>> now.time()
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datetime.time(15, 25, 16, 258274)
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>>> now.hour, now.minute, now.second, now.microsecond
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(15, 25, 16, 258274)
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>>> now.ctime()
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'Sun Mar 28 15:25:16 2021'
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>>> now.isoformat()
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'2021-03-28T15:25:16.258274'
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>>> now.timetuple()
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time.struct_time(
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tm_year=2021, tm_mon=3, tm_mday=28,
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tm_hour=15, tm_min=25, tm_sec=16,
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tm_wday=6, tm_yday=87, tm_isdst=-1
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)
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>>> now.tzinfo
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>>> utcnow.tzinfo
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>>> now.weekday()
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6
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>>> f_bday = datetime(
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1975, 12, 29, 12, 50, tzinfo=ZoneInfo('Europe/Rome')
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)
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>>> h_bday = datetime(
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1981, 10, 7, 15, 30, 50, tzinfo=timezone(timedelta(hours=2))
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)
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>>> diff = h_bday - f_bday
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>>> type(diff)
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<class 'datetime.timedelta'>
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>>> diff.days
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2109
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>>> diff.total_seconds()
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182223650.0
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>>> today + timedelta(days=49)
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datetime.date(2021, 5, 16)
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>>> now + timedelta(weeks=7)
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datetime.datetime(2021, 5, 16, 15, 25, 16, 258274)
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# parsing (stdlib)
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>>> datetime.fromisoformat('1977-11-24T19:30:13+01:00')
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datetime.datetime(
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1977, 11, 24, 19, 30, 13,
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tzinfo=datetime.timezone(datetime.timedelta(seconds=3600))
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)
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>>> datetime.fromtimestamp(time.time())
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datetime.datetime(2021, 3, 28, 15, 42, 2, 142696)
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>>> datetime.now()
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datetime.datetime(2021, 3, 28, 15, 42, 1, 120094)
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# arrow small demo
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>>> import arrow
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>>> arrow.utcnow()
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<Arrow [2021-03-28T14:43:20.017213+00:00]>
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>>> arrow.now()
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<Arrow [2021-03-28T15:43:39.370099+01:00]>
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>>> local = arrow.now('Europe/Rome')
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>>> local
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<Arrow [2021-03-28T16:59:14.093960+02:00]>
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>>> local.to('utc')
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<Arrow [2021-03-28T14:59:14.093960+00:00]>
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>>> local.to('Europe/Moscow')
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<Arrow [2021-03-28T17:59:14.093960+03:00]>
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>>> local.to('Asia/Tokyo')
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<Arrow [2021-03-28T23:59:14.093960+09:00]>
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>>> local.datetime
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datetime.datetime(
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2021, 3, 28, 16, 59, 14, 93960,
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tzinfo=tzfile('/usr/share/zoneinfo/Europe/Rome')
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)
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>>> local.isoformat()
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'2021-03-28T16:59:14.093960+02:00'
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