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Using Python on Unix platforms
Getting and installing the latest version of Python
On Linux
Python comes preinstalled on most Linux distributions, and is available as a package on all others. However there are certain features you might want to use that are not available on your distro’s package. You can easily compile the latest version of Python from source.
In the event that Python doesn’t come preinstalled and isn’t in the repositories as well, you can easily make packages for your own distro. Have a look at the following links:
See also
- http://www.linux.com/articles/60383
- for Debian users
- http://linuxmafia.com/pub/linux/suse-linux-internals/chapter35.html
- for OpenSuse users
- http://docs.fedoraproject.org/drafts/rpm-guide-en/ch-creating-rpms.html
- for Fedora users
- http://www.slackbook.org/html/package-management-making-packages.html
- for Slackware users
On FreeBSD and OpenBSD
FreeBSD users, to add the package use:
pkg_add -r python
OpenBSD users use:
pkg_add ftp://ftp.openbsd.org/pub/OpenBSD/4.2/packages/<insert your architecture here>/python-<version>.tgz
For example i386 users get the 2.5.1 version of Python using:
pkg_add ftp://ftp.openbsd.org/pub/OpenBSD/4.2/packages/i386/python-2.5.1p2.tgz
On OpenSolaris
To install the newest Python versions on OpenSolaris, install blastwave (http://www.blastwave.org/howto.html) and type “pkg_get -i python” at the prompt.
Building Python
If you want to compile CPython yourself, first thing you should do is get the source. You can download either the latest release’s source or just grab a fresh checkout.
The build process consists the usual
./configure
make
make install
invocations. Configuration options and caveats for specific Unix platforms are extensively documented in the README file in the root of the Python source tree.
Warning
make install can overwrite or masquerade the python binary. make altinstall is therefore recommended instead of make install since it only installs exec_prefix/bin/pythonversion.
Miscellaneous
To easily use Python scripts on Unix, you need to make them executable, e.g. with
$ chmod +x script
and put an appropriate Shebang line at the top of the script. A good choice is usually
#!/usr/bin/env python
which searches for the Python interpreter in the whole PATH. However, some Unices may not have the env command, so you may need to hardcode /usr/bin/python as the interpreter path.
To use shell commands in your python scripts, look at the subprocess module.
Editors
Vim and Emacs are excellent editors which support Python very well. For more information on how to code in python in these editors, look at:
http://www.vim.org/scripts/script.php?script_id=790 http://sourceforge.net/projects/python-mode
Geany is an excellent IDE with support for a lot of languages. For more information, read: http://geany.uvena.de/
Komodo edit is another extremely good IDE. It also has support for a lot of languages. For more information, read: http://www.activestate.com/store/productdetail.aspx?prdGuid=20f4ed15-6684-4118-a78b-d37ff4058c5f