How to force Sphinx to use Python 3.x interpreter

Question

I try to create documentation for a project written with Python 3.x. Sphinx is the tool I want to use and, according to the official site, its last version 1.1.2 is

Answer 1

It seems that Sphinx is installed only with Python-2 support. Although there are various ways to install Sphinx for python3, just use virtualenv to create a custom environment that uses python3 by default.

virtualenv -p /path/to/python-3 foo

And inside the virtualenv install Sphinx:

pip install Sphinx

As a bonus, this approach allows you to create custom environments for different projects.

PS. You might want to consider using virtualenvwrapper.