BaseController: refactor, extract _determine_auth_user function No changes - just a trivial step towards more interesting refactorings. Make it a static function so it in principle easily can be unit tested and is easier to review. Based on work by Søren Løvborg.

[tox]
envlist = py{26,27}-{pytest,nose}

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    nose: nose
    pytest: pytest
commands =
    nose: nosetests {posargs}
    pytest: py.test {posargs}