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.
python类__new__()的实例源码
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)
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)
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.
def _create(cls, offset, name=None):
self = tzinfo.__new__(cls)
self._offset = offset
self._name = name
return self
def _create(cls, offset, name=None):
self = tzinfo.__new__(cls)
self._offset = offset
self._name = name
return self
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)
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)
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.
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)
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)
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.
def _create(cls, offset, name=None):
self = tzinfo.__new__(cls)
self._offset = offset
self._name = name
return self
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)
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)
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.