old_contents: from __future__ import absolute_import
  
  import celery
  
  from tornado import web
  
  from ..views import BaseHandler
  from ..models import TaskModel, WorkersModel
  
  
  class TaskView(BaseHandler):
      @web.authenticated
      def get(self, task_id):
          task = TaskModel.get_task_by_id(self.application, task_id)
          if task is None:
              raise web.HTTPError(404, "Unknown task '%s'" % task_id)
  
          self.render("task.html", task=task)
  
  
  class TasksView(BaseHandler):
      @web.authenticated
      def get(self):
          app = self.application
          limit = self.get_argument('limit', None)
          worker = self.get_argument('worker', None)
          type = self.get_argument('type', None)
          state = self.get_argument('state', None)
  
          try:
              limit = limit and int(limit)
          except ValueError:
              limit = None
  
          worker = worker if worker != 'All' else None
          type = type if type != 'All' else None
          state = state if state != 'All' else None
  
          tasks = TaskModel.iter_tasks(app, limit=limit, type=type,
                                       worker=worker, state=state)
          workers = WorkersModel.get_workers(app)
          seen_task_types = TaskModel.seen_task_types(app)
  
          self.render("tasks.html", tasks=tasks,
                      task_types=seen_task_types,
                      all_states=celery.states.ALL_STATES,
                      workers=workers,
                      limit=limit,
                      worker=worker,
                      type=type,
                      state=state)
  
new_contents: from __future__ import absolute_import
  
  import celery
  
  from tornado import web
  
  from ..views import BaseHandler
  from ..models import TaskModel, WorkersModel
  
  
  class TaskView(BaseHandler):
      @web.authenticated
      def get(self, task_id):
          task = TaskModel.get_task_by_id(self.application, task_id)
          if task is None:
              raise web.HTTPError(404, "Unknown task '%s'" % task_id)
  
          self.render("task.html", task=task)
  
  
  class TasksView(BaseHandler):
      @web.authenticated
      def get(self):
          app = self.application
          limit = self.get_argument('limit', None)
          worker = self.get_argument('worker', None)
          type = self.get_argument('type', None)
          state = self.get_argument('state', None)
  
          try:
              limit = limit and int(limit)
          except ValueError:
              raise web.HTTPError(400, "Bad limit '%s'" % limit)
  
          worker = worker if worker != 'All' else None
          type = type if type != 'All' else None
          state = state if state != 'All' else None
  
          tasks = TaskModel.iter_tasks(app, limit=limit, type=type,
                                       worker=worker, state=state)
          workers = WorkersModel.get_workers(app)
          seen_task_types = TaskModel.seen_task_types(app)
  
          self.render("tasks.html", tasks=tasks,
                      task_types=seen_task_types,
                      all_states=celery.states.ALL_STATES,
                      workers=workers,
                      limit=limit,
                      worker=worker,
                      type=type,
                      state=state)
  
subject: raise 400 on bad limit