[oi-dev] [OpenIndiana-discuss] Calibre doc converter to ebooks formats for OpenIndiana??

Milan Jurik milan.jurik at xylab.cz
Thu Aug 9 19:23:28 UTC 2012


Hi,

Francois Dion píše v čt 09. 08. 2012 v 10:28 -0400:
> On Thu, Aug 9, 2012 at 9:03 AM, Milan Jurik <milan.jurik at xylab.cz> wrote:
> > On 09.08.2012 14:33, Francois Dion wrote:
> >> Calibre is written in python, not just the build script. The list of
> >> requirements is (the minimum versions):
> >>
> >> python  2.7.1 not 3.x
> > Sooner or later Python 3.2 will be provided in OI SFE but I am not sure how
> > much it can coexists with 2.6
> 
> As Jan points out in his post 2.x and 3.x can coexist fine. By design,
> since python 3 is so different from python 2.4-2.7 it is supposed to
> be invoked as python3. Per the release "Python 3.0, also known as
> “Python 3000” or “Py3K”, is the first ever intentionally backwards
> incompatible Python release".
> 
> This duality is normal, and so you have a 2.x and a 3.x series interpreter.
> 
> As far as handling multiple python from a 2.x series, that is also
> possible. For example, Solaris 10 is stuck at 2.4, so /usr/bin/python
> is python 2.4. I installed 2.6 and If you put python2.6 in your #!
> statement, then it will call that. You can also install setuptools to
> that 2.6 and if you call the easy_install from the python 2.6, all the
> eggs are fetched and installed correctly in the 2.6, even though 2.4
> is the main version.
> 
> Going back to calibre, 3.x wouldn't help. It is written using syntax
> that is unique to 2.x, and is close 2.6, except the heavy use of
> dictionary features that are only in 2.7, such as dictionary
> comprehension. I think this is the first 2.x based project I've
> encountered to use that (calibre is also not your typical python
> project in that it has quite a dependency on binary libs).
> 
> In other words, it needs python 2.7. We probably need it anyway if we
> are to grow our python community.
> 

OK, then, please, add Python 2.7 to oi-build, leaving 2.6 as default for
now.

> 
> 
> Francois
> 

Best regards,

Milan





More information about the oi-dev mailing list