Re: [yt-dev] yt with python3

Hi Jill, On Tue, Jul 8, 2014 at 4:25 PM, Jill Naiman wrote:

Hi Nathan,

I was trying to build yt-3.0. What python3 are you using? (I'm on 3.4).

Python 3.4, specifically: Python 3.4.0 (default, Apr 9 2014, 11:51:10) [GCC 4.2.1 Compatible Apple LLVM 5.1 (clang-503.0.38)] on darwin

Also, it doesn't seem to call 2to3 itself, this would be the yt-hg/setup.py script?

Yup. I also had to install several dependencies. Here is the sequence of commands: pip3 install numpy pip3 install sympy pip3 install matplotlib pip3 install cython pip3 install h5py pip3 install ipython then, inside the yt mercurial repo: python3 setup.py install Note that setup.py develop won't work, since apparently it does not do 2to3 in-place on the repository. That said, I'm not sure this will be worth the effort for you since large portions of yt will likely be badly broken - there were many unit test failures on my machine and only a fraction of the unit tests actually even ran.

-Jill

On Tue, Jul 8, 2014 at 12:34 PM, Nathan Goldbaum wrote:

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It looks like there are quite a few unit test failures.

On Tue, Jul 8, 2014 at 2:04 PM, Nathan Goldbaum wrote:

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I just tried, and I was able to build yt-3.0 under python3 with the following modification to EnzoHop.c:

http://paste.yt-project.org/show/4895/

I'm trying the unit tests right now....

On Tue, Jul 8, 2014 at 1:56 PM, Nathan Goldbaum wrote:

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Hi Jill,

Can you give a little bit more detail about which version of yt you're trying to build?

If you clone the yt mercurial repository and update to the yt-3.0 branch, you should be able to build with python3, although there may be breakage since we don't test it yet. 2to3 should be called directly by the setup script.

Right now the plan is to officially support python3 with the release of yt-3.1: https://trello.com/c/r45HQFUv

-Nathan

On Tue, Jul 8, 2014 at 1:50 PM, Jill Naiman wrote:

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Hi Folks!

So, I'm trying to build yt with python3. My python/c is still noobish, but so far I've converted everything with 2to3, however I'm getting some errors in regards to the kdtree libraries. I was wondering if anybody has tried a python3 build and/or if anybody has an idea on how to properly install new kdtree libraries for python3?

Thanks for any insights! -Jill

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