How to Install Python3 Packages with Pip on Ubuntu?

Installing Python3 Packages via Pip on Ubuntu

When faced with Ubuntu 12.04 and both Python 2.7 and Python 3.2 installed, where the symbolic link 'python' points to Python 2.7, it becomes challenging to install Python 3 versions of packages using pip. As pip defaults to installing Python 2 versions, it's important to find a way to specify the Python 3 version.

Solution for Ubuntu 12.10 and Fedora 13

Ubuntu and Fedora provide a Python 3 pip package known as 'python3-pip.' Installing this package directly sets up 'pip-3.2' (or newer versions for later releases) without any additional steps.

Solution for Ubuntu 12.04 without Python3-pip

For Ubuntu 12.04 without Python3-pip:

1. Install 'python3-setuptools' using 'sudo aptitude install python3-setuptools.'
2. Use easy_install3 to install pip with Python 3: 'sudo easy_install3 pip.' This will create the command 'pip-3.2.'
3. Utilize 'pip-3.2 install ' to install PyPI packages, ensuring packages are installed in the base system (which requires root permissions).

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