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For some reason (probably cut and paste), __ipow__ for new-style

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classes was called with three arguments.  This makes no sense, there's
no way to pass in the "modulo" 3rd argument as for __pow__, and
classic classes don't do this.  [SF bug 620179]

I don't want to backport this to 2.2.2, because it could break
existing code that has developed a work-around.  Code in 2.2.2 that
wants to use __ipow__ and wants to be forward compatible with 2.3
should be written like this:

  def __ipow__(self, exponent, modulo=None):
      ...
This commit is contained in:
Guido van Rossum 2002-10-15 01:01:53 +00:00
parent 13b1a5cc99
commit 6e5680fc83
2 changed files with 13 additions and 2 deletions
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4
Objects/typeobject.c
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@ -3399,7 +3399,7 @@ SLOT1(slot_nb_inplace_subtract, "__isub__", PyObject *, "O")
SLOT1(slot_nb_inplace_multiply, "__imul__", PyObject *, "O")
SLOT1(slot_nb_inplace_divide, "__idiv__", PyObject *, "O")
SLOT1(slot_nb_inplace_remainder, "__imod__", PyObject *, "O")
SLOT2(slot_nb_inplace_power, "__ipow__", PyObject *, PyObject *, "OO")
SLOT1(slot_nb_inplace_power, "__ipow__", PyObject *, "O")
SLOT1(slot_nb_inplace_lshift, "__ilshift__", PyObject *, "O")
SLOT1(slot_nb_inplace_rshift, "__irshift__", PyObject *, "O")
SLOT1(slot_nb_inplace_and, "__iand__", PyObject *, "O")
@ -4038,7 +4038,7 @@ static slotdef slotdefs[] = {
IBSLOT("__imod__", nb_inplace_remainder, slot_nb_inplace_remainder,
wrap_binaryfunc, "%"),
IBSLOT("__ipow__", nb_inplace_power, slot_nb_inplace_power,
wrap_ternaryfunc, "**"),
wrap_binaryfunc, "**"),
IBSLOT("__ilshift__", nb_inplace_lshift, slot_nb_inplace_lshift,
wrap_binaryfunc, "<<"),
IBSLOT("__irshift__", nb_inplace_rshift, slot_nb_inplace_rshift,