[Findit] Refactor Findit pipeline.

appengine/findit/waterfall/try_job_pipeline.py

-# Copyright 2015 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 common.pipeline_wrapper import BasePipeline
-from model import analysis_status
-from model.wf_try_job import WfTryJob
-from waterfall.identify_try_job_culprit_pipeline import (
-    IdentifyTryJobCulpritPipeline)
-from waterfall.monitor_try_job_pipeline import MonitorTryJobPipeline
-from waterfall.schedule_try_job_pipeline import ScheduleTryJobPipeline
-
-
-class TryJobPipeline(BasePipeline):
-  """Root pipeline to start a try job on current build."""
-
-  def __init__(
-      self, master_name, builder_name, build_number,
-      good_revision, bad_revision, blame_list, try_job_type,
-      compile_targets=None, targeted_tests=None, suspected_revisions=None):
-    super(TryJobPipeline, self).__init__(
-        master_name, builder_name, build_number, good_revision, bad_revision,
-        blame_list, try_job_type, compile_targets, targeted_tests,
-        suspected_revisions)
-    self.master_name = master_name
-    self.builder_name = builder_name
-    self.build_number = build_number
-
-  def _LogUnexpectedAbort(self, was_aborted):
-    """Marks the WfTryJob status as error, indicating that it was aborted.
-
-    Args:
-      was_aborted (bool): True if the pipeline was aborted due to some error
-      or exception, otherwise False.
-    """
-    if was_aborted:
-      try_job_result = WfTryJob.Get(
-          self.master_name, self.builder_name, self.build_number)
-      if try_job_result:  # In case the result is deleted manually.
-        try_job_result.status = analysis_status.ERROR
-        try_job_result.put()
-
-  def finalized(self):
-    """Finalizes this Pipeline after execution."""
-    self._LogUnexpectedAbort(self.was_aborted)
-
-  # Arguments number differs from overridden method - pylint: disable=W0221
-  def run(
-      self, master_name, builder_name, build_number, good_revision,
-      bad_revision, blame_list, try_job_type, compile_targets, targeted_tests,
-      suspected_revisions):
-    try_job_id = yield ScheduleTryJobPipeline(
-        master_name, builder_name, build_number, good_revision, bad_revision,
-        try_job_type, compile_targets, targeted_tests, suspected_revisions)
-    try_job_result = yield MonitorTryJobPipeline(
-        master_name, builder_name, build_number, try_job_type, try_job_id)
-    yield IdentifyTryJobCulpritPipeline(
-        master_name, builder_name, build_number, blame_list, try_job_type,
-        try_job_id, try_job_result)