a4f4351013
"gettext" command is provided by gettext-base package in Xenial. To make build-openstack-releasenotes work we need to check commands like "msgmerge" provided by gettext package. Change-Id: I6c9f303dd5f284d7df68a4b764b84a05309f6693
Ensure sphinx is installed
Installs sphinx. Also installs any dependencies needed in the first of doc/requirements.txt and test-requirements.txt to be found.
All pip installs are done with a provided constraints file, if given.
Role Variables
Optional path to a pip constraints file for installing python libraries.