Nowadays, a lot of operating systems come with Python as a standard component. Most Linux distributions and Unix-based systems such as FreeBSD, NetBSD, OpenBSD, or OS X come with Python are either installed by default or available through system package repositories. Many of them even use it as part of some core components—Python powers the installers of Ubuntu (Ubiquity), Red Hat Linux (Anaconda), and Fedora (Anaconda again).
Due to this fact, a lot of packages from PyPI are also available as native packages managed by the system's package management tools such as
apt-get (Debian, Ubuntu),
rpm (Red Hat Linux), or
emerge (Gentoo). Although it should be remembered that the list of available libraries ...