[Predator] Generate all changelogs in regression ranges instead of only matched changelogs

appengine/findit/crash/scorers/aggregated_scorer.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.
-
-"""Aggregated scorer which uses aggregators to aggregate results from
-different scorers."""
-
-from crash.scorers import aggregators
-
-
-class AggregatedScorer(object):
-
-  def __init__(self, scorers):
-    self.scorers = scorers
-
-  def Score(self, result,
-            score_aggregator=aggregators.Multiplier(),
-            reasons_aggregator=aggregators.IdentityAggregator(),
-            changed_files_aggregator=aggregators.ChangedFilesAggregator()):
-    """Aggregates score, reasons and changed_files from all the scorers.
-
-    Note: This method sets confidence, reasons and changed_files of results.
-    """
-    # Transforms array of [(score1, reason1, changed_files1), (score2, reason2,
-    # changed_files2)] to [(score1, score2), (reason1, reason2),
-    # (changed_files1, changed_files2)] for aggregators to aggregate.
-    scores, reasons, changed_files = zip(*[
-        scorer(result) for scorer in self.scorers])
-
-    result.confidence = score_aggregator(list(scores))
-    result.reasons = reasons_aggregator(list(reasons))
-    result.changed_files = changed_files_aggregator(list(changed_files))
-
-    return result.confidence, result.reasons, result.changed_files