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|
# ticket: t608
# see "builtin_type_inheritance_T608_py2only.pyx" for inheritance from int
cdef class MyFloat(float):
"""
>>> MyFloat(1.0)== 1.0
True
>>> MyFloat(1.0).attr is None
True
"""
cdef readonly object attr
ustring = u'abc'
cdef class MyUnicode(unicode):
"""
>>> MyUnicode(ustring) == ustring
True
>>> MyUnicode(ustring + ustring) == ustring
False
>>> MyUnicode(ustring).attr is None
True
"""
cdef readonly object attr
cdef class MyList(list):
"""
>>> MyList([1,2,3]) == [1,2,3]
True
>>> MyList([1,2,3]).attr is None
True
"""
cdef readonly object attr
cdef class MyListOverride(list):
"""
>>> MyListOverride([1,2,3]) == [1,2,3]
True
>>> l = MyListOverride([1,2,3])
>>> l.reverse()
>>> l
[1, 2, 3, 5]
>>> l._reverse()
>>> l
[1, 2, 3, 5, 5]
"""
# not doctested:
"""
>>> l = MyListOverride([1,2,3])
>>> l.append(8)
>>> l
[1, 2, 3, 0, 8]
>>> l._append(9)
>>> l
[1, 2, 3, 0, 8, 0, 9]
"""
def reverse(self):
self[:] = self + [5]
def _reverse(self):
self.reverse()
## FIXME: this doesn't currently work:
## cdef int append(self, value) except -1:
## self[:] = self + [0] + [value]
## return 0
## def _append(self, value):
## self.append(value)
cdef class MyDict(dict):
"""
>>> MyDict({1:2, 3:4}) == {1:2, 3:4}
True
>>> MyDict({1:2, 3:4}).attr is None
True
"""
cdef readonly object attr
cdef class MyException(Exception):
"""
>>> raise MyException(3) # doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
MyException: 3
"""
cdef readonly int value
def __cinit__(self, value):
self.value = value
def test_exception_isinstance(maybe_exn):
"""
>>> test_exception_isinstance(Exception())
True
>>> test_exception_isinstance(MyException(3))
True
>>> test_exception_isinstance(3)
False
"""
return isinstance(maybe_exn, Exception)
def test_exception_type_cast(Exception maybe_exn):
"""
>>> test_exception_type_cast(Exception())
>>> test_exception_type_cast(MyException(3))
>>> test_exception_type_cast(3) # doctest: +ELLIPSIS
Traceback (most recent call last):
...
TypeError: Argument 'maybe_exn' has incorrect type (expected ...Exception, got int)
"""
cdef object o = maybe_exn
cdef Exception e = o
|
