from django.contrib.auth.views import logout as original_logout
from django.contrib.auth.views import login as original_login
from django.contrib.sessions.backends.base import SessionBase

def alt_logout(request, *args, **kwargs):
    """
    Info on why this exists: http://code.djangoproject.com/ticket/6941
    Clears out any session data on logout that would otherwise persist
    for any subsequent logins regardless of user_id.
    """
    for sesskey in request.session.keys():
        del request.session[sesskey]
    return original_logout(request, *args, **kwargs)

def alt_login(request, *args, **kwargs):
    """
    Info on why this exists: http://code.djangoproject.com/ticket/6941
    Clears out any session data on login that would otherwise persist
    for any subsequent logins regardless of user_id.
    Session data is only cleared if the test cookie is not present.
    If its present, the session data is already cleared and this does nothing.
    """
    if SessionBase.TEST_COOKIE_NAME not in request.session:
        for sesskey in request.session.keys():
            del request.session[sesskey]
    return original_login(request, *args, **kwargs)