[Numpy-discussion] Python 3 porting

[Charles R Harris]

On Mon, Feb 15, 2010 at 12:58 PM, Pauli Virtanen <pav at iki.fi> wrote:

> ma, 2010-02-15 kello 21:41 +0200, Stéfan van der Walt kirjoitti:
> [clip]
> > > On Python 3.1, the numpymemoryview_init is a stub function that does
> > > nothing. I guess this is another single-file compilation issue -- the
> > > new file should be included in multiarraymodule_onefile.c. Should be
> > > fixed now.
> >
> > Thanks, it works now.
> >
> > I wonder if 2to3 is doing its job, though.  I had to make the attached
> > changes before I could import.
>
> This seems to be the same problem Bruce had.
>
> Doesn't seem like 2to3 is doing what it's supposed to do. In fact, the
> 2to3 shipped with Python 2.6 does those changes by itself, but the one
> with Python 3.1.1 does not. Obviously, I was all the time using Python
> 2.6 shipped 2to3. I'll try to find a workaround.
>
>
> > Progress:  the unit test suite starts to run, but fails soon after.
> >
> > .................Fatal Python error: Inconsistent interned string
> > state.
> >
> > Program received signal SIGABRT, Aborted.
> > 0x00007fff84e1efe6 in __kill ()
> > (gdb) bt
> > #0  0x00007fff84e1efe6 in __kill ()
> > #1  0x00007fff84ebfe32 in abort ()
> > #2  0x00000001000cd715 in Py_FatalError ()
> > #3  0x0000000100069508 in unicode_dealloc ()
> > #4  0x000000010065cd1f in UNICODE_to_STRING (ip=0x101f06fd0 "a",
> > op=0x101f01470 "abc", n=4, aip=0x101ce5de8, aop=0x101901a28) at
> > arraytypes.c.src:1501
> > #5  0x00000001006771ca in PyArray_CastTo (out=0x101901a28,
> > mp=0x101ce5de8) at convert_datatype.c:336
> > #6  0x00000001006772e1 in PyArray_CastToType (mp=0x101ce5de8,
> > at=<value temporarily unavailable, due to optimizations>, fortran_=0)
> > at convert_datatype.c:73
> > #7  0x0000000100681569 in array_cast (self=0x101ce5de8, args=<value
> > temporarily unavailable, due to optimizations>) at methods.c:760
>
> The platform is OSX -- 32 or 64 bits? Is your Python unicode narrow or
> wide? Which test triggers the issue?
>
>
Is there an easy way to discover what the unicode size is?

Chuck
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