How do I install GMPY 1.11 on a Mac with OS X 10.6 and Python 3.1?

[Benjamin Kaplan]

On Thu, Dec 24, 2009 at 9:11 PM, Mensanator <mensanator at aol.com> wrote:
> Ok, so I got a MacBook Air.
>
> Has OS X 10.6 (Snow Leopard) and Python 2.6.1 already installed.
>
> So I install Xcode, download macports and download gmpy-1.11rc1.
>
> Following the instructions in mac_build.txt, I do the following:
>
> - sudo /opt/local/bin/port install gmp
>
> This works fine.
>
> Then I do
>
> - python setup.py install
>
> This also works (a few warnings, but nothing looked serious).
>
> Python 2.6.1 (r261:67515, Jul  7 2009, 23:51:51)
> [GCC 4.2.1 (Apple Inc. build 5646)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import gmpy
>>>> gmpy.version()
> '1.11'
>
> python gmpy_test.py
> Unit tests for gmpy 1.11
>    on Python 2.6.1 (r261:67515, Jul  7 2009, 23:51:51)
> [GCC 4.2.1 (Apple Inc. build 5646)]
> Testing gmpy 1.11 (GMP 4.3.1), default caching (100, 128)
> gmpy_test_cvr 151 tests, 0 failures
> .
> .
> .
>  25 tests in gmpy_test_rnd.__test__.rand
> 1469 tests in 42 items.
> 1469 passed and 0 failed.
> Test passed.
>
> Looks like a viable gmpy module for 2.6.
>
> What do I do AFTER I install Python 3.1? Just running python3.1 from
> the
> same directory doesn't work.
>
> I've spent the last 5 days trying to figure that out. I hosed it so
> bad
> I somehow wrecked the 2.6 version to the point where it won't even
> load.
>
> I just got done doing a factory restore of the entire OS to undo
> everything
> I did. Re-did all the above and got it back working. Haven't re-
> installed 3.1
> yet.
>
> Anbody have any idea how to make this work?

Did you run setup.py with python3? Python 3.1 won't install itself as
the default python install for compatibility reasons so you have to
run "python3 install setup.py" to install it for that version of
python.

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