Python calendar.leapdays方法代码示例

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def timegm(year, month, day, hour, minute, second):
    """
    Convert time tuple in GMT to seconds since epoch, GMT
    """
    EPOCH = 1970
    if year < EPOCH:
        raise ValueError("Years prior to %d not supported" % (EPOCH,))
    assert 1 <= month <= 12
    days = 365*(year-EPOCH) + calendar.leapdays(EPOCH, year)
    for i in range(1, month):
        days = days + calendar.mdays[i]
    if month > 2 and calendar.isleap(year):
        days = days + 1
    days = days + day - 1
    hours = days*24 + hour
    minutes = hours*60 + minute
    seconds = minutes*60 + second
    return seconds 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def xyearfrac(start_date, end_date, basis=0):
    raise_errors(basis, start_date, end_date)
    basis = tuple(flatten(basis, None))
    if len(basis) != 1 or isinstance(basis[0], bool):
        return Error.errors['#VALUE!']
    basis = 0 if basis[0] is sh.EMPTY else basis[0]
    if not is_number(basis) or int(basis) not in (0, 1, 2, 3, 4):
        return Error.errors['#NUM!']
    dates = [tuple(flatten(d, None)) for d in (start_date, end_date)]
    if any(isinstance(d[0], bool) for d in dates):
        return Error.errors['#VALUE!']
    # noinspection PyTypeChecker
    basis, dates = int(basis), [xday(*d, slice(0, 3)) for d in dates]
    err = get_error(*dates)
    if err:
        return err

    (y1, m1, d1), (y2, m2, d2) = sorted(dates)
    denom = 360
    if basis in (0, 4):  # US 30/360 & Eurobond 30/360
        d1 = min(d1, 30)
        if basis == 4:
            d2 = min(d2, 30)
        elif d1 == 30:
            d2 = max(d2, 30)
        n_days = 360 * (y2 - y1) + 30 * (m2 - m1) + (d2 - d1)
    else:  # Actual/actual & Actual/360 & Actual/365
        n_days = xdate(y2, m2, d2) - xdate(y1, m1, d1)
        if basis == 3:
            denom = 365
        elif basis == 1:
            denom = 365 + calendar.leapdays(y1, y2 + 1) / (y2 - y1 + 1)
    return n_days / denom 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def test_no_range(self):
        # test when no range i.e. two identical years as args
        self.assertEqual(calendar.leapdays(2010,2010), 0) 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def test_no_leapdays(self):
        # test when no leap years in range
        self.assertEqual(calendar.leapdays(2010,2011), 0) 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def test_no_leapdays_upper_boundary(self):
        # test no leap years in range, when upper boundary is a leap year
        self.assertEqual(calendar.leapdays(2010,2012), 0) 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def test_one_leapday_lower_boundary(self):
        # test when one leap year in range, lower boundary is leap year
        self.assertEqual(calendar.leapdays(2012,2013), 1) 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def test_several_leapyears_in_range(self):
        self.assertEqual(calendar.leapdays(1997,2020), 5) 

# 需要导入模块: import calendar [as 别名]
# 或者: from calendar import leapdays [as 别名]
def builtin_date(name, args, pos):
    """
    date(year, month, day) builtin function.

    @return Days since 1 jan 1 of the given date.
    """
    days_in_month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
    if len(args) != 3:
        raise generic.ScriptError("date() requires exactly 3 arguments", pos)
    identifier.ignore_all_invalid_ids = True
    year = args[0].reduce(global_constants.const_list)
    identifier.ignore_all_invalid_ids = False
    try:
        month = args[1].reduce_constant().value
        day = args[2].reduce_constant().value
    except generic.ConstError:
        raise generic.ScriptError("Month and day parameters of date() should be compile-time constants", pos)
    generic.check_range(month, 1, 12, "month", args[1].pos)
    generic.check_range(day, 1, days_in_month[month-1], "day", args[2].pos)

    if not isinstance(year, ConstantNumeric):
        if month != 1 or day != 1:
            raise generic.ScriptError("when the year parameter of date() is not a compile time constant month and day should be 1", pos)
        #num_days = year*365 + year/4 - year/100 + year/400
        part1 = BinOp(nmlop.MUL, year, ConstantNumeric(365))
        part2 = BinOp(nmlop.DIV, year, ConstantNumeric(4))
        part3 = BinOp(nmlop.DIV, year, ConstantNumeric(100))
        part4 = BinOp(nmlop.DIV, year, ConstantNumeric(400))
        res = BinOp(nmlop.ADD, part1, part2)
        res = BinOp(nmlop.SUB, res, part3)
        res = BinOp(nmlop.ADD, res, part4)
        return res

    generic.check_range(year.value, 0, 5000000, "year", year.pos)
    day_in_year = 0
    for i in range(month - 1):
        day_in_year += days_in_month[i]
    day_in_year += day
    if month >= 3 and (year.value % 4 == 0) and ((not year.value % 100 == 0) or (year.value % 400 == 0)):
        day_in_year += 1
    return ConstantNumeric(year.value * 365 + calendar.leapdays(0, year.value) + day_in_year - 1, pos)