from pyramid.view import view_config

@view_config(route_name='login')

def login_form(request):

    request.response.text = render_view(request, 'login')

    return request.response

@view_config(route_name='login', request_param=('__login', '__password'))

def login_password_login(request):

    login = request.params['__login']

    password = request.params['__password']

    try:

        with repo.internal_cnx() as cnx:

            user = repo.authenticate_user(cnx, login, password=password)

            user_eid = user.eid

    except cubicweb.AuthenticationError:

        request.cw_request.set_message(request.cw_request._(

            "Authentication failed. Please check your credentials."))

        request.cw_request.post = dict(request.params)

        del request.cw_request.post['__password']

        return login_form(request)

    headers = security.remember(request, user_eid)

    new_path = request.params.get('postlogin_path', '/')

    if new_path == 'login':

        new_path = '/'

    raise HTTPSeeOther(new_path, headers=headers)

@view_config(route_name='login', effective_principals=security.Authenticated)

def login_already_loggedin(request):

    raise HTTPSeeOther('/')

    config.scan('pyramid_cubicweb.login')