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# mode: run
# tag: exttype, final
cimport cython
cdef class TopBase:
cdef method(self):
return None
cdef class BaseClass(TopBase):
"""
>>> obj = BaseClass()
>>> obj.call_base()
'base'
"""
cdef base(self):
return '@base'
cdef method(self):
return 'base'
def call_base(self):
return self.method()
@cython.final
cdef class ChildClass(BaseClass):
"""
>>> obj = ChildClass()
>>> obj.call_base()
'child'
>>> obj.call_child()
'child'
"""
cdef child(self):
return '@child'
cdef method(self):
return 'child'
def call_child(self):
# original bug: this requires a proper cast for self
return self.method()
def test_BaseClass():
"""
>>> test_BaseClass()
'@base'
'base'
"""
cdef BaseClass obj = BaseClass()
print(repr(obj.base()))
print(repr(obj.method()))
def test_ChildClass():
"""
>>> test_ChildClass()
'@base'
'@child'
'child'
'@base'
'@child'
'child'
"""
cdef ChildClass obj = ChildClass()
print(repr(obj.base()))
print(repr(obj.child()))
print(repr(obj.method()))
cdef BaseClass bobj = obj
print(repr(obj.base()))
print(repr(obj.child()))
print(repr(bobj.method()))
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