def login(request):
    next = request.GET.get('next','/relatorio/')

    print request.user.id

    if  request.user.id and not request.user.is_staff:
        return redirect('/relatorio/')
    else:
        sair(request)

    if request.method == 'POST':
        form = LoginForm(request.POST)

        if form.is_valid():
            u = authenticate(username=request.POST.get('email'), password=request.POST.get('senha'))
            if  u is not None:
                if u.is_active:
                    authlogin(request, u)
                    request.session['user_email'] = request.POST.get('email')

                    return redirect(next)
    else:
        form = LoginForm()

    VARS = {
        'form':form,
    }

    return render_to_response('login.html', VARS, context_instance=RequestContext(request))