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# ticket: t561
# tag: py3, warnings
# This file tests the behavior of special methods under Python 3
# after #561. (Only methods whose behavior differs between Python 2 and 3
# are tested here; see special_methods_T561.pyx for the rest of the tests.)
__doc__ = u"""
>>> vs0 = VerySpecial(0)
VS __init__ 0
>>> # Python 3 does not use __cmp__, __div__, __idiv__, __oct__ or __hex__;
>>> # These methods have no special behaviour and aren't tested beyond that
>>> # they don't break compilation.
>>> # Python 3 does not use __long__; if you define __long__ but not
>>> # __int__, the __long__ definition will be used for __int__.
>>> Ll = Long().__long__ # doctest: +ELLIPSIS
Traceback (most recent call last):
AttributeError: 'special_methods_T561_py3.Long' object has no attribute '__long__'...
>>> Li = Long().__int__
>>> Li()
Long __long__
>>> # As of Python 3, defining __nonzero__ gives you a __bool__ method instead.
>>> vs0_bool = vs0.__bool__
>>> vs0_bool()
VS __nonzero__ 0
False
"""
cdef class VerySpecial:
cdef readonly int value
def __init__(self, v):
self.value = v
print(f"VS __init__ {self.value}")
def __nonzero__(self):
print(f"VS __nonzero__ {self.value}")
def __oct__(self):
print(f"VS __oct__ {self.value}")
def __hex__(self):
print(f"VS __hex__ {self.value}")
def __cmp__(self, other):
print(f"VS __cmp__ {self.value} {other.value}")
def __div__(self, other):
print(f"VS __div__ {self.value} / {other.value}")
def __idiv__(self, other):
print(f"VS __idiv__ {self.value} /= {other.value}")
cdef class Bool:
"""
>>> b = Bool()
>>> bool(b)
VS __bool__
False
"""
def __bool__(self):
print("VS __bool__")
def __nonzero__(self):
print("VS __nonzero__")
return self.__bool__()
cdef class Long:
def __long__(self):
print("Long __long__")
_WARNINGS = """
38:4: __nonzero__ was removed in Python 3; use __bool__ instead
67:4: __nonzero__ was removed in Python 3; ignoring it and using __bool__ instead
73:4: __long__ was removed in Python 3; use __int__ instead
"""
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