old_contents: import uuid
  
  from gittip.orm import db
  from gittip.models.participant import Participant
  
  
  class User(Participant):
      """Represent a website user.
  
      Every current website user is also a participant, though if the user is
      anonymous then the methods from Participant will fail with NoParticipantId.
      """
  
      @classmethod
      def from_session_token(cls, token):
          user = User.query.filter_by(session_token=token).first()
          if user and not user.is_suspicious:
              user = user
          else:
              user = User()
          return user
  
      @classmethod
      def from_id(cls, user_id):
          user = User.query.filter_by(id=user_id).first()
          if user and not user.is_suspicious:
              user.session_token = uuid.uuid4().hex
              db.session.add(user)
              db.session.commit()
          else:
              user = User()
          return user
  
      @property
      def ADMIN(self):
          return self.id is not None and self.is_admin
  
      @property
      def ANON(self):
          return self.id is None
  
      def __unicode__(self):
          return '<User: %s>' % getattr(self, 'id', 'Anonymous')
  
new_contents: import uuid
  
  from gittip.orm import db
  from gittip.models.participant import Participant
  
  
  class User(Participant):
      """Represent a website user.
  
      Every current website user is also a participant, though if the user is
      anonymous then the methods from gittip.Participant will fail with
      NoParticipantId.  The methods
  
      """
  
      @classmethod
      def from_session_token(cls, token):
          user = User.query.filter_by(session_token=token).first()
          if user and not user.is_suspicious:
              user = user
          else:
              user = User()
          return user
  
      @classmethod
      def from_id(cls, user_id):
          user = User.query.filter_by(id=user_id).first()
          if user and not user.is_suspicious:
              user.session_token = uuid.uuid4().hex
              db.session.add(user)
              db.session.commit()
          else:
              user = User()
          return user
  
      @property
      def ADMIN(self):
          return self.id is not None and self.is_admin
  
      @property
      def ANON(self):
          return self.id is None
  
      def __unicode__(self):
          return '<User: %s>' % getattr(self, 'id', 'Anonymous')
  
subject: Clarify comment re: Participant class