Without this version, markers will fail to install in a growing number
of projects.
Change global-requirements to prevent
pip -r requirements.txt; pip install .
failing with an already installed and too old for setup_requires pbr.
Change update.py to signal to setuptools the minimum version required,
giving clearer error messages in the case of downgrades during
devstack.
Change-Id: I074274b470a7a4f2c95211677b135038ab2c942c
In python < 2.7.4, a lazy loading of package `pbr` will break
setuptools if some other modules registered functions in `atexit`.
solution from: http://bugs.python.org/issue15881#msg170215
This problem originally appeared in stevedore before the library
was adopted by Oslo
(74a719b117)
Change-Id: Icd412ca8435dca4b0f3b4075eca39b903dde6d27
Turn requirements into a dummy package that, if installed, will
install all of OpenStack's requirements.
Change-Id: Ie2670278b740173bee09608d8ef9bf892f498aa1