本文整理匯總了Python中datetime.tzinfo.__new__方法的典型用法代碼示例。如果您正苦於以下問題：Python tzinfo.__new__方法的具體用法？Python tzinfo.__new__怎麽用？Python tzinfo.__new__使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類datetime.tzinfo的用法示例。
在下文中一共展示了tzinfo.__new__方法的8個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: __new__
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def __new__(cls, offset, name=_Omitted):
if not isinstance(offset, timedelta):
raise TypeError("offset must be a timedelta")
if name is cls._Omitted:
if not offset:
return cls.utc
name = None
elif not isinstance(name, str):
raise TypeError("name must be a string")
if not cls._minoffset <= offset <= cls._maxoffset:
raise ValueError(
"offset must be a timedelta "
"strictly between -timedelta(hours=24) and "
"timedelta(hours=24)."
)
return cls._create(offset, name) 示例2: test_subclass_date
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_subclass_date(self):
class C(self.theclass):
theAnswer = 42
def __new__(cls, *args, **kws):
temp = kws.copy()
extra = temp.pop('extra')
result = self.theclass.__new__(cls, *args, **temp)
result.extra = extra
return result
def newmeth(self, start):
return start + self.year + self.month
args = 2003, 4, 14
dt1 = self.theclass(*args)
dt2 = C(*args, **{'extra': 7})
self.assertEqual(dt2.__class__, C)
self.assertEqual(dt2.theAnswer, 42)
self.assertEqual(dt2.extra, 7)
self.assertEqual(dt1.toordinal(), dt2.toordinal())
self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month - 7) 示例3: test_subclass_time
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_subclass_time(self):
class C(self.theclass):
theAnswer = 42
def __new__(cls, *args, **kws):
temp = kws.copy()
extra = temp.pop('extra')
result = self.theclass.__new__(cls, *args, **temp)
result.extra = extra
return result
def newmeth(self, start):
return start + self.hour + self.second
args = 4, 5, 6
dt1 = self.theclass(*args)
dt2 = C(*args, **{'extra': 7})
self.assertEqual(dt2.__class__, C)
self.assertEqual(dt2.theAnswer, 42)
self.assertEqual(dt2.extra, 7)
self.assertEqual(dt1.isoformat(), dt2.isoformat())
self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7) 示例4: _create
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def _create(cls, offset, name=None):
self = tzinfo.__new__(cls)
self._offset = offset
self._name = name
return self 示例5: test_pickling_base
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_pickling_base(self):
# There's no point to pickling tzinfo objects on their own (they
# carry no data), but they need to be picklable anyway else
# concrete subclasses can't be pickled.
orig = tzinfo.__new__(tzinfo)
self.assertIs(type(orig), tzinfo)
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertIs(type(derived), tzinfo) 示例6: test_subclass_datetime
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_subclass_datetime(self):
class C(self.theclass):
theAnswer = 42
def __new__(cls, *args, **kws):
temp = kws.copy()
extra = temp.pop('extra')
result = self.theclass.__new__(cls, *args, **temp)
result.extra = extra
return result
def newmeth(self, start):
return start + self.year + self.month + self.second
args = 2003, 4, 14, 12, 13, 41
dt1 = self.theclass(*args)
dt2 = C(*args, **{'extra': 7})
self.assertEqual(dt2.__class__, C)
self.assertEqual(dt2.theAnswer, 42)
self.assertEqual(dt2.extra, 7)
self.assertEqual(dt1.toordinal(), dt2.toordinal())
self.assertEqual(dt2.newmeth(-7), dt1.year + dt1.month +
dt1.second - 7) 示例7: test_subclass_timetz
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_subclass_timetz(self):
class C(self.theclass):
theAnswer = 42
def __new__(cls, *args, **kws):
temp = kws.copy()
extra = temp.pop('extra')
result = self.theclass.__new__(cls, *args, **temp)
result.extra = extra
return result
def newmeth(self, start):
return start + self.hour + self.second
args = 4, 5, 6, 500, FixedOffset(-300, "EST", 1)
dt1 = self.theclass(*args)
dt2 = C(*args, **{'extra': 7})
self.assertEqual(dt2.__class__, C)
self.assertEqual(dt2.theAnswer, 42)
self.assertEqual(dt2.extra, 7)
self.assertEqual(dt1.utcoffset(), dt2.utcoffset())
self.assertEqual(dt2.newmeth(-7), dt1.hour + dt1.second - 7)
# Testing datetime objects with a non-None tzinfo. 示例8: test_pickling_base
# 需要導入模塊: from datetime import tzinfo [as 別名]
# 或者: from datetime.tzinfo import __new__ [as 別名]
def test_pickling_base(self):
# There's no point to pickling tzinfo objects on their own (they
# carry no data), but they need to be picklable anyway else
# concrete subclasses can't be pickled.
orig = tzinfo.__new__(tzinfo)
self.assertTrue(type(orig) is tzinfo)
for pickler, unpickler, proto in pickle_choices:
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertTrue(type(derived) is tzinfo)