On 2015-09-30 04:15, Chris Angelico wrote:
On Wed, Sep 30, 2015 at 1:00 PM, Mario Figueiredo <mar...@gmx.com> wrote:
Personally, I use the regular 'make install', but that's because I'm
on Debian - the system Python is 2.7.
Unfortunately Ubuntu based distros are going through a 2.x to 3.x
transition period. Both Pythons are installed and are system dependencies.
And their finicky dependency on Python really make these distros not
very friendly for Python development. If I do end up successfully
upgrading from 3.4 to 3.5, I will most likely forfeit my ability to
upgrade the Mint version in the future without a full system
installation. So the solution is to just maintain 3 different versions
of python my machine. Ridiculous.
Three different Python versions? Ehh, no big deal.
rosuav@sikorsky:~$ python2 --version
Python 2.7.9
rosuav@sikorsky:~$ python3.4 --version
Python 3.4.2
rosuav@sikorsky:~$ python3.5 --version
Python 3.5.0b1+
rosuav@sikorsky:~$ python3.6 --version
Python 3.6.0a0
rosuav@sikorsky:~$ pypy --version
Python 2.7.8 (2.4.0+dfsg-3, Dec 20 2014, 13:30:46)
[PyPy 2.4.0 with GCC 4.9.2]
rosuav@sikorsky:~$ jython --version
"my" variable $jythonHome masks earlier declaration in same scope at
/usr/bin/jython line 15.
Jython 2.5.3
And Steven D'Aprano probably can beat that by an order of magnitude.
Keep your multiple interpreters around; it doesn't hurt. Unless you're
seriously bothered by disk space issues, the biggest cost is keeping
track of which one you've installed some third-party package into.
Well, I have 16 of them!
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