====== python ======
Python programming language.

===== Information =====

  * Version: 3.9 (3.9.17)
  * Added: October, 2014
  * Updated: June, 2023
  * Link: https://www.python.org

===== Usage =====

See versions which are available:
<code>$ module avail python</code>

Load one version into your environment and run it:
<code>$ module load python/3.9
$ python -V</code>

===== Installation ======
Notes from the sysadmin during installation:

<code>$ cd /tmp
$ wget https://www.python.org/ftp/python/3.9.14/Python-3.9.17.tar.xz
$ tar xf Python-3.9.17.tar.xz
$ cd Python-3.9.17
$ CFLAGS="${CFLAGS/-O2/-O3} -fno-semantic-interposition"
$ LDFLAGS="$LDFLAGS -fno-semantic-interposition"
$ ./configure --prefix=/export/apps/python/3.9 --enable-shared --with-computed-gotos --enable-optimizations --with-lto --enable-ipv6 --with-tzpath=/usr/share/zoneinfo
$ chrt -i 0 make -j4 # this make doesn't seem to scale well
$ sudo mv /export/apps/python/3.9 /export/apps/python/3.9.bak
$ sudo mkdir /export/apps/python/3.9
$ sudo chown aorth /export/apps/python/3.9
$ make install
$ make maninstall
$ ln -s /export/apps/python/3.9/bin/python3 /export/apps/python/3.9/bin/python
$ ln -s /export/apps/python/3.9/share/man/man1/python3.9.1 /export/apps/python/3.9/share/man/man1/python.1
$ ln -s /export/apps/python/3.9/bin/pip3 /export/apps/python/3.9/bin/pip
$ sudo chown -R root:root /export/apps/python/3.9</code>

Configure options borrowed from [[https://github.com/archlinux/svntogit-packages/blob/e5ab596d9c13836b894d2d248da7421ae97d0590/trunk/PKGBUILD|Arch Linux's Python package]].