Instead of specifying the version of a library in devstack, use the version from
global-requirements
Add new function get_from_global_requirements and use it
where it makes sense.
Change-Id: I6b2f062761ac05ef72fc6cc9993bc204faf06fa5
Set PIP_VIRTUAL_ENV to install the package(s) into an existing virtual
environment. This works by simply using the pip command already
in the venv, and not using sudo.
Change-Id: I910e1752e58a666174f83b4f97e547851e66e655
Move Python-related functions into inc/python
Should be transparent to all callers as it is sourced from functions-common
Change-Id: I88043830cef9211b4e0baa91bfcc7a92125afa9f