[Findit] Reorganizing findit_for_*.py

appengine/findit/crash/azalea.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 crash.culprit import Culprit
+
+# TODO(http://crbug.com/659346): write coverage tests.
+class Azalea(object): # pragma: no cover
+  """The Main entry point into the Azalea library."""
+
+  def __init__(self, cl_classifier, component_classifier, project_classifier):
+    self.cl_classifier = cl_classifier
+    self.component_classifier = component_classifier
+    self.project_classifier = project_classifier
+
+  def FindCulprit(self, report):
+    """Given a CrashReport, return a Culprit."""
+    suspected_cls = self.cl_classifier(report)
+
+    suspected_project = self.project_classifier.Classify(
+        suspected_cls, report.stacktrace.crash_stack)
+
+    suspected_components = self.component_classifier.Classify(
+        suspected_cls, report.stacktrace.crash_stack)
+
+    return Culprit(
+        project = suspected_project,
+        components = suspected_components,
+        cls = suspected_cls,
+        regression_range = report.regression_range,
+        algorithm = 'core_algorithm')