Comment #20 on issue 1262 by [email protected]: fix sympy to work in
python3.0
http://code.google.com/p/sympy/issues/detail?id=1262
I have written some more patches that finally allow SymPy to be run in
Python 3. There are still errors, some things are implemented via hacks
(the cmp-related stuff) in order to expose the other errors. In the end,
though, it works and a majority of tests do pass.
To run SymPy with Python 3, first you'll need to fetch my branch from:
https://github.com/vperic/sympy/tree/porting (expect rebases)
After that, run the 2to3 tool. If you've got the python3.2 version
installed, use that one:
2to3-3.2 -w -n --no-diff ./
Now run tests, do whatever. Currently, 2465 tests pass, 35 fail and we have
208 exceptions. Many of the exceptions are the same, so I expect that last
number to fall rapidly. Some are known issues, which I've marked with
FIXME-py3k in the code.
The 2to3 step takes about 3 mins now, after the removal of pyglet (it took
at least 5) before and the test suite also runs in about 5-6 mins (used to
run ~12 for me). Whether this is a consequence of all the exceptions, or a
speedup in Python, I wouldn't know.
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