[sword-devel] cmake python

Greg Hellings greg.hellings at gmail.com
Sun Dec 16 22:40:50 MST 2012

On Sat, Dec 1, 2012 at 9:44 PM, Ben <cricketc at gmail.com> wrote:
> On 11/21/2012 10:27 PM, Ben wrote:
>> Hello,
>> A couple thoughts related to building python bindings with cmake:
>> 1. <build dir>/bindings/swig/python/setup.py has the following line:
>> #!/usr/bin/python python
>> Looks like that should just be /usr/bin/python, or /usr/bin/env python?
>> 2. It'd be nice to be able to install the python module to some
>> non-standard location, so as to not require root access or conflict with
>> system packages.
>> <source dir>/bindings/swig/python/install.cmake - I added --user to the
>> python setup.py install command, and that installed it just to my user
>> directory. That doesn't require root access, although it still might
>> conflict some with a system package. Another option might be to just
>> install the python bindings to the same custom prefix as the sword
>> library? Not sure what the best way is to implement this option.
> I'm attaching a patch that corrects number 1. For number 2, I set it up to
> allow installing the python Sword module to the user's directory, if
> -DPYTHON_USER_INSTALL=Yes is passed to the cmake command. If the option's
> not there, it just operates as normal.

I committed a fix for 1. It's more of a linting issue than a functional issue.

> I tried to set it up with running "python setup.py install --home=<dir>",
> but I didn't get it working with directories with spaces in the path.

I'll experiment with some ways to do this. I have already done a solid
reworking of the Python build and install process and cleaned up quite
a few warnings since the last SWORD release so they build much more
cleanly now. This is a good change to have as well.

The cmake install system should allow quite a bit more ease of
flexibility for configuring and installing to target locations. I will
try to remember to add this when I add that functionality as well.


> Feedback and suggestions are welcome.
> Thanks,
> -Ben
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