Python datetime.strftime() Examples

def sendMention(to, mid, firstmessage):
    try:
        arrData = ""
        text = "%s " %(str(firstmessage))
        arr = []
        mention = "@x \n"
        slen = str(len(text))
        elen = str(len(text) + len(mention) - 1)
        arrData = {'S':slen, 'E':elen, 'M':mid}
        arr.append(arrData)
        today = datetime.today()
        future = datetime(2018,3,1)
        hari = (str(future - today))
        comma = hari.find(",")
        hari = hari[:comma]
        teman = cl.getAllContactIds()
        gid = cl.getGroupIdsJoined()
        tz = pytz.timezone("Asia/Jakarta")
        timeNow = datetime.now(tz=tz)
        eltime = time.time() - mulai
        bot = runtime(eltime)
        text += mention+"◐ Jam : "+datetime.strftime(timeNow,'%H:%M:%S')+" Wib\n⏩ Group : "+str(len(gid))+"\n⏩ Teman : "+str(len(teman))+"\n⏩ Expired : In "+hari+"\n⏩ Version : ANTIJS2\n⏩ Tanggal : "+datetime.strftime(timeNow,'%Y-%m-%d')+"\n⏩ Runtime : \n • "+bot
        cl.sendMessage(to, text, {'MENTION': str('{"MENTIONEES":' + json.dumps(arr) + '}')}, 0)
    except Exception as error:
        cl.sendMessage(to, "[ INFO ] Error :\n" + str(error)) 

def dump_machinelogs(self, timestep_id, done, reward, reward_aslist, cumul_rew, datetime):
        if self.csv_writer is None:
            return

        param_env_name = self.parameters
        level = self.level
        chronic_name = self.environment.get_current_chronic_name()
        max_iter = self.max_iter
        timestep = timestep_id
        time = datetime.strftime("%Y-%m-%d %H:%M")
        game_over = done
        timestep_reward_aslist = reward_aslist
        timestep_reward = reward
        cumulated_reward = cumul_rew

        self.csv_writer.writerow([param_env_name, level, chronic_name, max_iter, timestep, time, game_over,
                                  timestep_reward_aslist, timestep_reward, cumulated_reward]) 

def dtime2doy(dt):
    """
    Returns day of year of a datetime object.

    Parameters
    ----------
    dt : datetime

    Returns
    -------
    doy : int
        Day of year
    """
    return int(dt.strftime('%j')) 

def _timestamp_strftime(arg, format_str):
    """
    Format timestamp according to the passed format string. Format string may
    depend on backend, but we try to conform to ANSI strftime (e.g. Python
    built-in datetime.strftime)

    Parameters
    ----------
    format_str : string

    Returns
    -------
    formatted : string
    """
    return ops.Strftime(arg, format_str).to_expr() 

def online_time_to_string(value, timeFormat, utcOffset=0):
    """Converts AGOL timestamp to formatted string.

    Args:
        value (float): A UTC timestamp as reported by AGOL (time in ms since Unix epoch * 1000)
        timeFormat (str): Date/Time format string as parsed by :py:func:`datetime.strftime`.
        utcOffset (int): Hours difference from UTC and desired output. Default is 0 (remain in UTC).

    Returns:
        str: A string representation of the timestamp.

    Examples:
        >>> rcrest.general.online_time_to_string(1457167261000.0, "%Y-%m-%d %H:%M:%S")
        '2016-03-05 00:41:01'
        >>> rcrest.general.online_time_to_string(731392515000.0, '%m/%d/%Y %H:%M:%S', -8) # PST is UTC-8:00
        '03/05/1993 12:35:15'

    See Also:
       :py:func:`local_time_to_online` for converting a :py:class:`datetime.datetime` object to AGOL timestamp

    """

    try:
        return datetime.datetime.fromtimestamp(value/1000 + utcOffset*3600).strftime(timeFormat)
    except:
        return ""
    finally:
        pass
#---------------------------------------------------------------------- 

def online_time_to_string(value, timeFormat, utcOffset=0):
    """Converts AGOL timestamp to formatted string.

    Args:
        value (float): A UTC timestamp as reported by AGOL (time in ms since Unix epoch * 1000)
        timeFormat (str): Date/Time format string as parsed by :py:func:`datetime.strftime`.
        utcOffset (int): Hours difference from UTC and desired output. Default is 0 (remain in UTC).

    Returns:
        str: A string representation of the timestamp.

    Examples:
        >>> arcresthelper.common.online_time_to_string(1457167261000.0, "%Y-%m-%d %H:%M:%S")
        '2016-03-05 00:41:01'
        >>> arcresthelper.common.online_time_to_string(731392515000.0, '%m/%d/%Y %H:%M:%S', -8) # PST is UTC-8:00
        '03/05/1993 12:35:15'

    See Also:
       :py:func:`local_time_to_online` for converting a :py:class:`datetime.datetime` object to AGOL timestamp

    """

    try:
        return datetime.datetime.fromtimestamp(value/1000 + utcOffset*3600).strftime(timeFormat)
    except:
        line, filename, synerror = trace()
        raise ArcRestHelperError({
                    "function": "online_time_to_string",
                    "line": line,
                    "filename":  filename,
                    "synerror": synerror,
                                    }
                                    )
    finally:
        pass
#---------------------------------------------------------------------- 

def format_datetime(datetime, include_seconds=True):
    format = '%Y-%m-%d %H:%M' + (':%S' if include_seconds else '')
    return datetime.strftime(format) 

def utc_to_local(utc_dt):
    return utc_dt.replace(tzinfo=datetime.timezone.utc).astimezone(tz=None).strftime("%H:%M%p %d/%m/%y") 

def dt_to_str(dt):
    return dt.strftime('%H:%M:%S')

#delete log if pass more than 24 hours 

def _to_timestamp(datetime):
        '''convert datetime to unix timestamp in python2 compatible manner.'''

        try:
            return datetime.timestamp()
        except AttributeError:
            return int(datetime.strftime('%s')) 

def test_date_formatter_callable():
    scale = -11
    locator = Mock(_get_unit=Mock(return_value=scale))
    callable_formatting_function = (lambda dates, _:
                                    [dt.strftime('%d-%m//%Y') for dt in dates])

    formatter = mdates.AutoDateFormatter(locator)
    formatter.scaled[-10] = callable_formatting_function
    assert formatter([datetime.datetime(2014, 12, 25)]) == ['25-12//2014'] 

def generate_x_pos_x_labels(self, dates):
        time_delta  = self._parse_datetime(dates[1]) - self._parse_datetime(dates[0])
        x_pos = []
        x_labels = []
        for i, d in enumerate(dates):
            dt = self._parse_datetime(d) - time_delta
            if dt.hour == 0 and dt.minute == 0:
                x_pos.append(i)
                x_labels.append(dt.strftime('%m/%d'))
        return x_pos, x_labels 

def _getKLineCount(self, sampleDict):
        if not sampleDict['UseSample']:
            return 1

        if sampleDict['KLineCount'] > 0:
            return sampleDict['KLineCount']

        if len(sampleDict['BeginTime']) > 0:
            return sampleDict['BeginTime']

        if sampleDict['AllK']:
            nowDateTime = datetime.now()
            if self._getKLineType() == EEQU_KLINE_DAY:
                threeYearsBeforeDateTime = nowDateTime - relativedelta(years = 3)
                threeYearsBeforeStr = datetime.strftime(threeYearsBeforeDateTime, "%Y%m%d")
                return threeYearsBeforeStr
            elif self._getKLineType() == EEQU_KLINE_HOUR or self._getKLineType() == EEQU_KLINE_MINUTE:
                oneMonthBeforeDateTime = nowDateTime - relativedelta(months = 1)
                oneMonthBeforeStr = datetime.strftime(oneMonthBeforeDateTime, "%Y%m%d")
                return oneMonthBeforeStr
            elif self._getKLineType() == EEQU_KLINE_SECOND:
                oneWeekBeforeDateTime = nowDateTime - relativedelta(days = 7)
                oneWeekBeforeStr = datetime.strftime(oneWeekBeforeDateTime, "%Y%m%d")
                return oneWeekBeforeStr
            else:
                raise NotImplementedError

    # //////////////////////////K线处理接口//////////////////////// 

def _getKLineCount(self, sampleDict):
        if not sampleDict['UseSample']:
            return 1

        if sampleDict['KLineCount'] > 0:
            return sampleDict['KLineCount']

        if len(sampleDict['BeginTime']) > 0:
            return sampleDict['BeginTime']

        if sampleDict['AllK']:
            nowDateTime = datetime.now()
            if self.getKLineType() == EEQU_KLINE_DAY:
                threeYearsBeforeDateTime = nowDateTime - relativedelta(years=3)
                threeYearsBeforeStr = datetime.strftime(threeYearsBeforeDateTime, "%Y%m%d")
                return threeYearsBeforeStr
            elif self.getKLineType() == EEQU_KLINE_HOUR or self.getKLineType() == EEQU_KLINE_MINUTE:
                oneMonthBeforeDateTime = nowDateTime - relativedelta(months=1)
                oneMonthBeforeStr = datetime.strftime(oneMonthBeforeDateTime, "%Y%m%d")
                return oneMonthBeforeStr
            elif self.getKLineType() == EEQU_KLINE_SECOND:
                oneWeekBeforeDateTime = nowDateTime - relativedelta(days=7)
                oneWeekBeforeStr = datetime.strftime(oneWeekBeforeDateTime, "%Y%m%d")
                return oneWeekBeforeStr
            else:
                raise NotImplementedError 

def create_search_criterion_by_date(datetime, relative=None, sent=False):
    """Return a search criteria by date.

    .. versionadded:: 0.4

    :param relative: Can be one of 'BEFORE', 'SINCE', 'ON'.
    :param sent: Search after "sent" date instead of "received" date.
    """
    if relative not in ['BEFORE', 'ON', 'SINCE']:
        relative = 'SINCE'
    formated_date = datetime.strftime('%d-%h-%Y')
    return '{}{} {}'.format('SENT'
                            if sent is True
                            else '', relative, formated_date) 

def test_date_formatter_callable():
    scale = -11
    locator = Mock(_get_unit=Mock(return_value=scale))
    callable_formatting_function = (lambda dates, _:
                                    [dt.strftime('%d-%m//%Y') for dt in dates])

    formatter = mdates.AutoDateFormatter(locator)
    formatter.scaled[-10] = callable_formatting_function
    assert formatter([datetime.datetime(2014, 12, 25)]) == ['25-12//2014'] 

def datetime_to_string(datetime):
    '''
    Method for changing a datetime into a standard string format used by all packages.
    '''
    return datetime.strftime('%Y-%m-%d_%H-%M') 

def record(self, request_or_user, **metadata):
        from canvas import fact
        # A unique key per day.

        if hasattr(request_or_user, 'user'):
            request = request_or_user
            user = request.user
        else:
            request = None
            user = request_or_user

        def _record(timestamp_key):
            if request:
                RedisSet(timestamp_key + ":unique_ips").sadd(util.ip_to_int(request.META.get('REMOTE_ADDR')))
            if user:
                RedisSet(timestamp_key + ":uniques").sadd(user.id)
            RedisKey(timestamp_key + ":count").incr(1)

        _record(self.basekey + ":" + Services.time.strftime("%Y.%m.%d"))
        _record(self.basekey + ":" + Services.time.strftime("%Y.%m.%d.%H"))
        self.timestamp_key.set(str(Services.time.time()))

        if self.threshold:
            ThresholdMetric(self.basekey, threshold=self.threshold, minutes=self.alarm_minutes).increment()

        if metadata.get('record_fact', True):
            fact.record('metric', request_or_user, dict(metadata, metric=self.name)) 

def daykey(self, day, type):
        return self.basekey + ":" + day.strftime("%Y.%m.%d") + ":" + type 

def hourly_count(self, datetime):
        return int(RedisKey(self.basekey + ":" + datetime.strftime("%Y.%m.%d.%H") + ":count").get() or 0) 

def hourly_uniques(self, datetime, ip=False):
        return int(RedisSet(self.basekey + ":"
                            + datetime.strftime("%Y.%m.%d.%H")
                            + (":uniques" if not ip else ":unique_ips")).scard()
                   or 0) 

def isotime(at=None, subsecond=False):
    """Stringify time in ISO 8601 format.

    .. deprecated:: 1.5.0
       Use :func:`utcnow` and :func:`datetime.datetime.isoformat` instead.
    """
    if not at:
        at = utcnow()
    st = at.strftime(_ISO8601_TIME_FORMAT
                     if not subsecond
                     else _ISO8601_TIME_FORMAT_SUBSECOND)
    tz = at.tzinfo.tzname(None) if at.tzinfo else 'UTC'
    # Need to handle either iso8601 or python UTC format
    st += ('Z' if tz in ('UTC', 'UTC+00:00') else tz)
    return st 

def strtime(at=None, fmt=PERFECT_TIME_FORMAT):
    """Returns formatted utcnow.

    .. deprecated:: 1.5.0
       Use :func:`utcnow()`, :func:`datetime.datetime.isoformat`
       or :func:`datetime.strftime` instead:

       * ``strtime()`` => ``utcnow().isoformat()``
       * ``strtime(fmt=...)`` => ``utcnow().strftime(fmt)``
       * ``strtime(at)`` => ``at.isoformat()``
       * ``strtime(at, fmt)`` => ``at.strftime(fmt)``
    """
    if not at:
        at = utcnow()
    return at.strftime(fmt) 

def test_date_formatter_callable():
    scale = -11
    locator = mock.Mock(_get_unit=mock.Mock(return_value=scale))
    callable_formatting_function = (lambda dates, _:
                                    [dt.strftime('%d-%m//%Y') for dt in dates])

    formatter = mdates.AutoDateFormatter(locator)
    formatter.scaled[-10] = callable_formatting_function
    assert formatter([datetime.datetime(2014, 12, 25)]) == ['25-12//2014'] 

def test_date_formatter_strftime():
    """
    Tests that DateFormatter matches datetime.strftime,
    check microseconds for years before 1900 for bug #3179
    as well as a few related issues for years before 1900.
    """
    def test_strftime_fields(dt):
        """For datetime object dt, check DateFormatter fields"""
        # Note: the last couple of %%s are to check multiple %s are handled
        # properly; %% should get replaced by %.
        formatter = mdates.DateFormatter("%w %d %m %y %Y %H %I %M %S %%%f %%x")
        # Compute date fields without using datetime.strftime,
        # since datetime.strftime does not work before year 1900
        formatted_date_str = (
            "{weekday} {day:02d} {month:02d} {year:02d} {full_year:04d} "
            "{hour24:02d} {hour12:02d} {minute:02d} {second:02d} "
            "%{microsecond:06d} %x"
            .format(
                weekday=str((dt.weekday() + 1) % 7),
                day=dt.day,
                month=dt.month,
                year=dt.year % 100,
                full_year=dt.year,
                hour24=dt.hour,
                hour12=((dt.hour-1) % 12) + 1,
                minute=dt.minute,
                second=dt.second,
                microsecond=dt.microsecond))
        with pytest.warns(MatplotlibDeprecationWarning):
            assert formatter.strftime(dt) == formatted_date_str

        try:
            # Test strftime("%x") with the current locale.
            import locale  # Might not exist on some platforms, such as Windows
            locale_formatter = mdates.DateFormatter("%x")
            locale_d_fmt = locale.nl_langinfo(locale.D_FMT)
            expanded_formatter = mdates.DateFormatter(locale_d_fmt)
            with pytest.warns(MatplotlibDeprecationWarning):
                assert locale_formatter.strftime(dt) == \
                    expanded_formatter.strftime(dt)
        except (ImportError, AttributeError):
            pass

    for year in range(1, 3000, 71):
        # Iterate through random set of years
        test_strftime_fields(datetime.datetime(year, 1, 1))
        test_strftime_fields(datetime.datetime(year, 2, 3, 4, 5, 6, 12345)) 

def test_date_formatter_strftime():
    """
    Tests that DateFormatter matches datetime.strftime,
    check microseconds for years before 1900 for bug #3179
    as well as a few related issues for years before 1900.
    """
    def test_strftime_fields(dt):
        """For datetime object dt, check DateFormatter fields"""
        # Note: the last couple of %%s are to check multiple %s are handled
        # properly; %% should get replaced by %.
        formatter = mdates.DateFormatter("%w %d %m %y %Y %H %I %M %S %%%f %%x")
        # Compute date fields without using datetime.strftime,
        # since datetime.strftime does not work before year 1900
        formatted_date_str = (
            "{weekday} {day:02d} {month:02d} {year:02d} {full_year:04d} "
            "{hour24:02d} {hour12:02d} {minute:02d} {second:02d} "
            "%{microsecond:06d} %x"
            .format(
                weekday=str((dt.weekday() + 1) % 7),
                day=dt.day,
                month=dt.month,
                year=dt.year % 100,
                full_year=dt.year,
                hour24=dt.hour,
                hour12=((dt.hour-1) % 12) + 1,
                minute=dt.minute,
                second=dt.second,
                microsecond=dt.microsecond))
        with pytest.warns(MatplotlibDeprecationWarning):
            assert formatter.strftime(dt) == formatted_date_str

        try:
            # Test strftime("%x") with the current locale.
            import locale  # Might not exist on some platforms, such as Windows
            locale_formatter = mdates.DateFormatter("%x")
            locale_d_fmt = locale.nl_langinfo(locale.D_FMT)
            expanded_formatter = mdates.DateFormatter(locale_d_fmt)
            with pytest.warns(MatplotlibDeprecationWarning):
                assert locale_formatter.strftime(dt) == \
                    expanded_formatter.strftime(dt)
        except (ImportError, AttributeError):
            pass

    for year in range(1, 3000, 71):
        # Iterate through random set of years
        test_strftime_fields(datetime.datetime(year, 1, 1))
        test_strftime_fields(datetime.datetime(year, 2, 3, 4, 5, 6, 12345)) 

def test_date_formatter_strftime():
    """
    Tests that DateFormatter matches datetime.strftime,
    check microseconds for years before 1900 for bug #3179
    as well as a few related issues for years before 1900.
    """
    def test_strftime_fields(dt):
        """For datetime object dt, check DateFormatter fields"""
        # Note: the last couple of %%s are to check multiple %s are handled
        # properly; %% should get replaced by %.
        formatter = mdates.DateFormatter("%w %d %m %y %Y %H %I %M %S %%%f %%x")
        # Compute date fields without using datetime.strftime,
        # since datetime.strftime does not work before year 1900
        formatted_date_str = (
            "{weekday} {day:02d} {month:02d} {year:02d} {full_year:04d} "
            "{hour24:02d} {hour12:02d} {minute:02d} {second:02d} "
            "%{microsecond:06d} %x"
            .format(
                weekday=str((dt.weekday() + 1) % 7),
                day=dt.day,
                month=dt.month,
                year=dt.year % 100,
                full_year=dt.year,
                hour24=dt.hour,
                hour12=((dt.hour-1) % 12) + 1,
                minute=dt.minute,
                second=dt.second,
                microsecond=dt.microsecond))
        assert formatter.strftime(dt) == formatted_date_str

        try:
            # Test strftime("%x") with the current locale.
            import locale  # Might not exist on some platforms, such as Windows
            locale_formatter = mdates.DateFormatter("%x")
            locale_d_fmt = locale.nl_langinfo(locale.D_FMT)
            expanded_formatter = mdates.DateFormatter(locale_d_fmt)
            assert locale_formatter.strftime(dt) == \
                expanded_formatter.strftime(dt)
        except (ImportError, AttributeError):
            pass

    for year in range(1, 3000, 71):
        # Iterate through random set of years
        test_strftime_fields(datetime.datetime(year, 1, 1))
        test_strftime_fields(datetime.datetime(year, 2, 3, 4, 5, 6, 12345))