def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
python类isleap()的实例源码
def _change_year(self, dt, year):
if dt.month == 2 and dt.day == 29 and not calendar.isleap(year):
return dt.replace(year=year, month=2, day=28)
return dt.replace(year=year)
def _change_year(self, new_year):
dt = self._datetime
if dt.month == 2 and dt.day == 29 and not calendar.isleap(new_year):
dt = dt.replace(month=2, day=28)
self._datetime = dt.replace(year=new_year)
def is_leap_year(year, learn=True):
"""
???????
:param year: 2004
:param learn: ?????????????
:return: True
"""
if learn:
return year % 400 == 0 or (year % 4 == 0 and year % 100 != 0)
else:
return calendar.isleap(year)
def test_leap_year(self):
for i in range(-3000, 3000):
self.failIf(is_leap_year(i, learn=True) != calendar.isleap(i))
def test_isleap(self):
# Make sure that the return is right for a few years, and
# ensure that the return values are 1 or 0, not just true or
# false (see SF bug #485794). Specific additional tests may
# be appropriate; this tests a single "cycle".
self.assertEqual(calendar.isleap(2000), 1)
self.assertEqual(calendar.isleap(2001), 0)
self.assertEqual(calendar.isleap(2002), 0)
self.assertEqual(calendar.isleap(2003), 0)
def test_isleap(self):
# Make sure that the return is right for a few years, and
# ensure that the return values are 1 or 0, not just true or
# false (see SF bug #485794). Specific additional tests may
# be appropriate; this tests a single "cycle".
self.assertEqual(calendar.isleap(2000), 1)
self.assertEqual(calendar.isleap(2001), 0)
self.assertEqual(calendar.isleap(2002), 0)
self.assertEqual(calendar.isleap(2003), 0)
def test_isleap(self):
# Make sure that the return is right for a few years, and
# ensure that the return values are 1 or 0, not just true or
# false (see SF bug #485794). Specific additional tests may
# be appropriate; this tests a single "cycle".
self.assertEqual(calendar.isleap(2000), 1)
self.assertEqual(calendar.isleap(2001), 0)
self.assertEqual(calendar.isleap(2002), 0)
self.assertEqual(calendar.isleap(2003), 0)
def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
def year_days(year):
return "{} has {} days".format(year, 365 + isleap(year))
def test_isleap(self):
# Make sure that the return is right for a few years, and
# ensure that the return values are 1 or 0, not just true or
# false (see SF bug #485794). Specific additional tests may
# be appropriate; this tests a single "cycle".
self.assertEqual(calendar.isleap(2000), 1)
self.assertEqual(calendar.isleap(2001), 0)
self.assertEqual(calendar.isleap(2002), 0)
self.assertEqual(calendar.isleap(2003), 0)
def is_leap_year(year):
"""Returns True if year is a leap year, otherwise False."""
return calendar.isleap(year)
def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
def leapyear(year, querytype='is'):
import calendar
querytype == querytype.lower()
if querytype == 'is':
return calendar.isleap(year)
elif querytype == 'closest':
return year % 4
# Return A Random String In Hexadecimal
def L(self):
"Boolean for whether it is a leap year; i.e. True or False"
return calendar.isleap(self.data.year)
def __add__(self, other):
if isinstance(other, relativedelta):
return relativedelta(years=other.years+self.years,
months=other.months+self.months,
days=other.days+self.days,
hours=other.hours+self.hours,
minutes=other.minutes+self.minutes,
seconds=other.seconds+self.seconds,
microseconds=(other.microseconds +
self.microseconds),
leapdays=other.leapdays or self.leapdays,
year=other.year or self.year,
month=other.month or self.month,
day=other.day or self.day,
weekday=other.weekday or self.weekday,
hour=other.hour or self.hour,
minute=other.minute or self.minute,
second=other.second or self.second,
microsecond=(other.microsecond or
self.microsecond))
if not isinstance(other, datetime.date):
raise TypeError("unsupported type for add operation")
elif self._has_time and not isinstance(other, datetime.datetime):
other = datetime.datetime.fromordinal(other.toordinal())
year = (self.year or other.year)+self.years
month = self.month or other.month
if self.months:
assert 1 <= abs(self.months) <= 12
month += self.months
if month > 12:
year += 1
month -= 12
elif month < 1:
year -= 1
month += 12
day = min(calendar.monthrange(year, month)[1],
self.day or other.day)
repl = {"year": year, "month": month, "day": day}
for attr in ["hour", "minute", "second", "microsecond"]:
value = getattr(self, attr)
if value is not None:
repl[attr] = value
days = self.days
if self.leapdays and month > 2 and calendar.isleap(year):
days += self.leapdays
ret = (other.replace(**repl)
+ datetime.timedelta(days=days,
hours=self.hours,
minutes=self.minutes,
seconds=self.seconds,
microseconds=self.microseconds))
if self.weekday:
weekday, nth = self.weekday.weekday, self.weekday.n or 1
jumpdays = (abs(nth)-1)*7
if nth > 0:
jumpdays += (7-ret.weekday()+weekday) % 7
else:
jumpdays += (ret.weekday()-weekday) % 7
jumpdays *= -1
ret += datetime.timedelta(days=jumpdays)
return ret
def __radd__(self, other):
if not isinstance(other, datetime.date):
raise TypeError("unsupported type for add operation")
elif self._has_time and not isinstance(other, datetime.datetime):
other = datetime.datetime.fromordinal(other.toordinal())
year = (self.year or other.year) + self.years
month = self.month or other.month
if self.months:
assert 1 <= abs(self.months) <= 12
month += self.months
if month > 12:
year += 1
month -= 12
elif month < 1:
year -= 1
month += 12
day = min(calendar.monthrange(year, month)[1],
self.day or other.day)
repl = {"year": year, "month": month, "day": day}
for attr in ["hour", "minute", "second", "microsecond"]:
value = getattr(self, attr)
if value is not None:
repl[attr] = value
days = self.days
if self.leapdays and month > 2 and calendar.isleap(year):
days += self.leapdays
ret = (other.replace(**repl)
+ datetime.timedelta(days=days,
hours=self.hours,
minutes=self.minutes,
seconds=self.seconds,
microseconds=self.microseconds))
if self.weekday:
weekday, nth = self.weekday.weekday, self.weekday.n or 1
jumpdays = (abs(nth) - 1) * 7
if nth > 0:
jumpdays += (7 - ret.weekday() + weekday) % 7
else:
jumpdays += (ret.weekday() - weekday) % 7
jumpdays *= -1
ret += datetime.timedelta(days=jumpdays)
return ret
def __radd__(self, other):
if not isinstance(other, datetime.date):
raise TypeError, "unsupported type for add operation"
elif self._has_time and not isinstance(other, datetime.datetime):
other = datetime.datetime.fromordinal(other.toordinal())
year = (self.year or other.year) + self.years
month = self.month or other.month
if self.months:
assert 1 <= abs(self.months) <= 12
month += self.months
if month > 12:
year += 1
month -= 12
elif month < 1:
year -= 1
month += 12
day = min(calendar.monthrange(year, month)[1],
self.day or other.day)
repl = {"year": year, "month": month, "day": day}
for attr in ["hour", "minute", "second", "microsecond"]:
value = getattr(self, attr)
if value is not None:
repl[attr] = value
days = self.days
if self.leapdays and month > 2 and calendar.isleap(year):
days += self.leapdays
ret = (other.replace(**repl)
+ datetime.timedelta(days=days,
hours=self.hours,
minutes=self.minutes,
seconds=self.seconds,
microseconds=self.microseconds))
if self.weekday:
weekday, nth = self.weekday.weekday, self.weekday.n or 1
jumpdays = (abs(nth) - 1) * 7
if nth > 0:
jumpdays += (7 - ret.weekday() + weekday) % 7
else:
jumpdays += (ret.weekday() - weekday) % 7
jumpdays *= -1
ret += datetime.timedelta(days=jumpdays)
return ret
