class UserLogin: """This class is intended to provide a login """ def __init__(self): self.users = {'diane': 'password'} def login(self, username, password): if not self.users.has_key(username): return False elif self.users[username] == password: return True else: return False ####### class UserUI(UserLogin): _q_export = ['action', 'logout'] def __init__(self): UserLogin.__init__(self) def _q_index(self, req): session = get_session() if session is None or session.user is None: context = datamanagers[self.user].create_context() return get_template(req, 'login', context) else: return datamanagaers.setdefault(self.user, DatamanagerUI()) def action(self, req): session = get_session() user = req.get_form_var('user', None) password = req.get_form_var('password', None) if self.login(user, password): session.user = user return datamanagaers.setdefault(self.user, DatamanagerUI()) else: context = datamanagers[self.user].create_context() context.addGlobal('badlogin', True) return get_getmplate(req, 'login', context) def logout(self, req): session = get_session() get_session_manager().expire_session(req) if session.user: return "user %s logged out" % (session.user) else: return "logged out"