Python time.second方法代码示例

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def _partial_date_slice(self, reso, parsed, use_lhs=True, use_rhs=True):
        is_monotonic = self.is_monotonic
        if (is_monotonic and reso in ['day', 'hour', 'minute', 'second'] and
                self._resolution >= Resolution.get_reso(reso)):
            # These resolution/monotonicity validations came from GH3931,
            # GH3452 and GH2369.

            # See also GH14826
            raise KeyError

        if reso == 'microsecond':
            # _partial_date_slice doesn't allow microsecond resolution, but
            # _parsed_string_to_bounds allows it.
            raise KeyError

        t1, t2 = self._parsed_string_to_bounds(reso, parsed)
        stamps = self.asi8

        if is_monotonic:

            # we are out of range
            if (len(stamps) and ((use_lhs and t1.value < stamps[0] and
                                  t2.value < stamps[0]) or
                                 ((use_rhs and t1.value > stamps[-1] and
                                   t2.value > stamps[-1])))):
                raise KeyError

            # a monotonic (sorted) series can be sliced
            left = stamps.searchsorted(
                t1.value, side='left') if use_lhs else None
            right = stamps.searchsorted(
                t2.value, side='right') if use_rhs else None

            return slice(left, right)

        lhs_mask = (stamps >= t1.value) if use_lhs else True
        rhs_mask = (stamps <= t2.value) if use_rhs else True

        # try to find a the dates
        return (lhs_mask & rhs_mask).nonzero()[0] 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def _time_to_micros(time):
    seconds = time.hour * 60 * 60 + 60 * time.minute + time.second
    return 1000000 * seconds + time.microsecond 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def to_julian_date(self):
        """
        Convert DatetimeIndex to Float64Index of Julian Dates.
        0 Julian date is noon January 1, 4713 BC.
        http://en.wikipedia.org/wiki/Julian_day
        """

        # http://mysite.verizon.net/aesir_research/date/jdalg2.htm
        year = np.asarray(self.year)
        month = np.asarray(self.month)
        day = np.asarray(self.day)
        testarr = month < 3
        year[testarr] -= 1
        month[testarr] += 12
        return Float64Index(day +
                            np.fix((153 * month - 457) / 5) +
                            365 * year +
                            np.floor(year / 4) -
                            np.floor(year / 100) +
                            np.floor(year / 400) +
                            1721118.5 +
                            (self.hour +
                             self.minute / 60.0 +
                             self.second / 3600.0 +
                             self.microsecond / 3600.0 / 1e+6 +
                             self.nanosecond / 3600.0 / 1e+9
                             ) / 24.0) 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def resolution(self):
        """
        Returns day, hour, minute, second, or microsecond
        """
        reso = self._resolution
        return get_reso_string(reso) 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def parse_time(string, locale=LC_TIME):
    """Parse a time from a string.

    This function uses the time format for the locale as a hint to determine
    the order in which the time fields appear in the string.

    >>> parse_time('15:30:00', locale='en_US')
    datetime.time(15, 30)

    :param string: the string containing the time
    :param locale: a `Locale` object or a locale identifier
    :return: the parsed time
    :rtype: `time`
    """
    # TODO: try ISO format first?
    format = get_time_format(locale=locale).pattern.lower()
    hour_idx = format.index('h')
    if hour_idx < 0:
        hour_idx = format.index('k')
    min_idx = format.index('m')
    sec_idx = format.index('s')

    indexes = [(hour_idx, 'H'), (min_idx, 'M'), (sec_idx, 'S')]
    indexes.sort()
    indexes = dict([(item[1], idx) for idx, item in enumerate(indexes)])

    # FIXME: support 12 hour clock, and 0-based hour specification
    #        and seconds should be optional, maybe minutes too
    #        oh, and time-zones, of course

    numbers = re.findall(r'(\d+)', string)
    hour = int(numbers[indexes['H']])
    minute = int(numbers[indexes['M']])
    second = int(numbers[indexes['S']])
    return time(hour, minute, second) 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def format_milliseconds_in_day(self, num):
        msecs = self.value.microsecond // 1000 + self.value.second * 1000 + \
            self.value.minute * 60000 + self.value.hour * 3600000
        return self.format(msecs, num) 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def get_period_id(time, tzinfo=None, type=None, locale=LC_TIME):
    """
    Get the day period ID for a given time.

    This ID can be used as a key for the period name dictionary.

    >>> get_period_names(locale="de")[get_period_id(time(7, 42), locale="de")]
    u'Morgen'

    :param time: The time to inspect.
    :param tzinfo: The timezone for the time. See ``format_time``.
    :param type: The period type to use. Either "selection" or None.
                 The selection type is used for selecting among phrases such as
                 “Your email arrived yesterday evening” or “Your email arrived last night”.
    :param locale: the `Locale` object, or a locale string
    :return: period ID. Something is always returned -- even if it's just "am" or "pm".
    """
    time = _get_time(time, tzinfo)
    seconds_past_midnight = int(time.hour * 60 * 60 + time.minute * 60 + time.second)
    locale = Locale.parse(locale)

    # The LDML rules state that the rules may not overlap, so iterating in arbitrary
    # order should be alright, though `at` periods should be preferred.
    rulesets = locale.day_period_rules.get(type, {}).items()

    for rule_id, rules in rulesets:
        for rule in rules:
            if "at" in rule and rule["at"] == seconds_past_midnight:
                return rule_id

    for rule_id, rules in rulesets:
        for rule in rules:
            start_ok = end_ok = False

            if "from" in rule and seconds_past_midnight >= rule["from"]:
                start_ok = True
            if "to" in rule and seconds_past_midnight <= rule["to"]:
                # This rule type does not exist in the present CLDR data;
                # excuse the lack of test coverage.
                end_ok = True
            if "before" in rule and seconds_past_midnight < rule["before"]:
                end_ok = True
            if "after" in rule:
                raise NotImplementedError("'after' is deprecated as of CLDR 29.")

            if start_ok and end_ok:
                return rule_id

    if seconds_past_midnight < 43200:
        return "am"
    else:
        return "pm" 

# 需要导入模块: from datetime import time [as 别名]
# 或者: from datetime.time import second [as 别名]
def __getitem__(self, name):
        char = name[0]
        num = len(name)
        if char == 'G':
            return self.format_era(char, num)
        elif char in ('y', 'Y', 'u'):
            return self.format_year(char, num)
        elif char in ('Q', 'q'):
            return self.format_quarter(char, num)
        elif char in ('M', 'L'):
            return self.format_month(char, num)
        elif char in ('w', 'W'):
            return self.format_week(char, num)
        elif char == 'd':
            return self.format(self.value.day, num)
        elif char == 'D':
            return self.format_day_of_year(num)
        elif char == 'F':
            return self.format_day_of_week_in_month()
        elif char in ('E', 'e', 'c'):
            return self.format_weekday(char, num)
        elif char == 'a':
            # TODO: Add support for the rest of the period formats (a*, b*, B*)
            return self.format_period(char)
        elif char == 'h':
            if self.value.hour % 12 == 0:
                return self.format(12, num)
            else:
                return self.format(self.value.hour % 12, num)
        elif char == 'H':
            return self.format(self.value.hour, num)
        elif char == 'K':
            return self.format(self.value.hour % 12, num)
        elif char == 'k':
            if self.value.hour == 0:
                return self.format(24, num)
            else:
                return self.format(self.value.hour, num)
        elif char == 'm':
            return self.format(self.value.minute, num)
        elif char == 's':
            return self.format(self.value.second, num)
        elif char == 'S':
            return self.format_frac_seconds(num)
        elif char == 'A':
            return self.format_milliseconds_in_day(num)
        elif char in ('z', 'Z', 'v', 'V', 'x', 'X', 'O'):
            return self.format_timezone(char, num)
        else:
            raise KeyError('Unsupported date/time field %r' % char)