IKFast incompatibility with newer sympy versions

[Bahram Maleki-Fard]

Hi,

as I haven't got any reply on the issue on github
(https://github.com/rdiankov/openrave/issues/287), I'll try asking here :)

We're working on an openrave package for Fedora, and so far it looks
very good. Except for IKFast, which seems to be incompatible with newer
sympy Versions (see link above).
Not only is that crucial for the rpm, but also for our own work with
OpenRAVE in general, as we rely on IKFast of course :) Or for anybody
else using latest Fedora.

 From our point of view, this is needed asap. Has the ticket been noted?
Is anybody working on it, or are there any plans to do so?
And what would be the best way to communicate on this? Mailing-list,
openrave-github or maybe the Review Request on Bugzilla on the
openrave-rpm ?

Thanks a lot!

Cheers,
Bahram

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[Rosen Diankov]

dear bahram,

thanks for the ticket and the feedback on fedora!

sympy is a fast moving target and newer versions always seem to break compatibility with openrave's ikfast. unfortunately newer versions are not going to make ikfast better or robust, so it's hard to find the time to play catch-up.

i haven't looked into the problems at hand, perhaps they are really trivial and you would be able to solve them yourself. if you can, please create a ikfast_sympy0.7.4.py file and look at the CMakeLists.txt to see how we dynamically swap ikfast versions depending on the sympy version (this happens right now for sympy 0.6.7). afterwards, do a pull request on openrave

best,

rosen,

2014-02-21 2:59 GMT+09:00 Bahram Maleki-Fard <[hidden email]>:

Hi,

as I haven't got any reply on the issue on github
(https://github.com/rdiankov/openrave/issues/287), I'll try asking here :)

We're working on an openrave package for Fedora, and so far it looks
very good. Except for IKFast, which seems to be incompatible with newer
sympy Versions (see link above).
Not only is that crucial for the rpm, but also for our own work with
OpenRAVE in general, as we rely on IKFast of course :) Or for anybody
else using latest Fedora.

 From our point of view, this is needed asap. Has the ticket been noted?
Is anybody working on it, or are there any plans to do so?
And what would be the best way to communicate on this? Mailing-list,
openrave-github or maybe the Review Request on Bugzilla on the
openrave-rpm ?

Thanks a lot!

Cheers,
Bahram

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