[Findit] A huge refactoring and some bug fixing.

appengine/findit/model/wf_swarming_task.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from collections import defaultdict
 
 from google.appengine.ext import ndb
 
 from model.base_build_model import BaseBuildModel
-from model import wf_analysis_status
+from model import analysis_status
 
 
 class WfSwarmingTask(BaseBuildModel):
   """Represents a swarming task for a failed step.
 
   'Wf' is short for waterfall.
   """
   # The id of the Swarming task scheduled or running on Swarming Server.
   task_id = ndb.StringProperty(indexed=False)
 
   # A dict to keep track of running information for each test:
   # number of total runs, number of each status (such as 'SUCCESS' or 'FAILED')
   tests_statuses = ndb.JsonProperty(default={}, indexed=False, compressed=True)
 
   # The status of the swarming task.
   status = ndb.IntegerProperty(
-      default=wf_analysis_status.PENDING, indexed=False)
+      default=analysis_status.PENDING, indexed=False)
 
   # The revision of the failed build.
   build_revision = ndb.StringProperty(indexed=False)
 
   # Time when the task is created.
   created_time = ndb.DateTimeProperty(indexed=True)
   # Time when the task is started.
   started_time = ndb.DateTimeProperty(indexed=False)
   # Time when the task is completed.
   completed_time = ndb.DateTimeProperty(indexed=False)
@@ skipping 33 matching lines @@
       master_name, builder_name, build_number, step_name):  # pragma: no cover
     return WfSwarmingTask(
         key=WfSwarmingTask._CreateKey(
             master_name, builder_name, build_number, step_name))
 
   @staticmethod
   def Get(
       master_name, builder_name, build_number, step_name):  # pragma: no cover
     return WfSwarmingTask._CreateKey(
         master_name, builder_name, build_number, step_name).get()