Create subdirectory and boilerplate for reviewbot app.

reviewbot/PRESUBMIT.py

+# Copyright (c) 2013 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.
+
+"""Top-level presubmit script for reviewbot.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts for
+details on the presubmit API built into gcl.
+"""
+
+
+def CommonChecks(input_api, output_api):
+  output = []
+
+  join = input_api.os_path.join
+  root = input_api.PresubmitLocalPath()
+  while True:
+    if input_api.os_path.isfile(join(root, 'google_appengine', 'VERSION')):
+      break
+    next_root = input_api.os_path.dirname(root)
+    if next_root == root:
+      return [output_api.PresubmitError('Failed to find Google AppEngine SDK')]
+    root = next_root
+  input_api.logging.debug('Found GAE SDK in %s' % root)
+
+  import sys
+  sys_path_backup = sys.path
+  try:
+    sys.path = [
+        join(root, 'google_appengine'),
+        join(root, 'google_appengine', 'lib'),
+        join(root, 'google_appengine', 'lib', 'webapp2-2.5.2'),
+        join(root, 'google_appengine', 'lib', 'webob-1.2.3'),
+        join('third_party', 'google-api-python-client'),
+    ] + sys.path
+    output.extend(input_api.canned_checks.RunPylint(
+        input_api,
+        output_api))
+  finally:
+    sys.path = sys_path_backup
+
+  return output
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  return CommonChecks(input_api, output_api)
+
+
+def CheckChangeOnCommit(input_api, output_api):
+  return CommonChecks(input_api, output_api)