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# mode: run
# tag: cpdef
# ticket: 1771
def _call_method(cls):
obj = cls()
obj.callmeth()
obj = cls()
obj.callmeth()
obj.callmeth()
obj = cls()
obj.callmeth()
obj.callmeth()
obj.callmeth()
cdef class BaseType:
"""
>>> BaseType().callmeth()
BaseType.meth
>>> obj = BaseType()
>>> obj.callmeth()
BaseType.meth
>>> obj.callmeth()
BaseType.meth
>>> _call_method(BaseType)
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
"""
cpdef callmeth(self):
return self.callmeth2()
cpdef callmeth2(self):
# not overridden by subclasses
return self.meth()
cpdef meth(self):
# overridden by subclasses
print("BaseType.meth")
class NonOverride(BaseType):
"""
>>> NonOverride().callmeth()
BaseType.meth
>>> obj = NonOverride()
>>> obj.callmeth()
BaseType.meth
>>> obj.callmeth()
BaseType.meth
>>> _call_method(NonOverride)
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
BaseType.meth
"""
class PyClass(BaseType):
"""
>>> PyClass().callmeth()
PyClass.meth
>>> obj = PyClass()
>>> obj.callmeth()
PyClass.meth
>>> obj.callmeth()
PyClass.meth
>>> obj.callmeth()
PyClass.meth
>>> _call_method(PyClass)
PyClass.meth
PyClass.meth
PyClass.meth
PyClass.meth
PyClass.meth
PyClass.meth
"""
def meth(self):
print("PyClass.meth")
class PySlotsClass(BaseType):
"""
>>> PySlotsClass().callmeth()
PySlotsClass.meth
>>> obj = PySlotsClass()
>>> obj.callmeth()
PySlotsClass.meth
>>> obj.callmeth()
PySlotsClass.meth
>>> obj.callmeth()
PySlotsClass.meth
>>> _call_method(PySlotsClass)
PySlotsClass.meth
PySlotsClass.meth
PySlotsClass.meth
PySlotsClass.meth
PySlotsClass.meth
PySlotsClass.meth
"""
__slots__ = []
def meth(self):
print("PySlotsClass.meth")
class DynamicOverride(BaseType):
"""
>>> DynamicOverride().callmeth()
meth1
>>> obj = DynamicOverride()
>>> obj.callmeth()
meth1
>>> obj.callmeth()
meth2
>>> obj.callmeth()
BaseType.meth
>>> obj.callmeth()
BaseType.meth
>>> _call_method(DynamicOverride)
meth1
meth1
meth2
meth1
meth2
BaseType.meth
"""
def __init__(self):
self.meth = self.meth1
def meth1(self):
self.meth = self.meth2
print("meth1")
def meth2(self):
del self.meth
print("meth2")
|
