mojo: Update PRESBUMIT.py

mojo/PRESUBMIT.py

 # Copyright 2014 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.
 
 """Presubmit script for mojo
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
 """
 
 import os.path
 
 def CheckChangeOnUpload(input_api, output_api):
   # Additional python module paths (we're in src/mojo/); not everyone needs
   # them, but it's easiest to add them to everyone's path.
   # For ply and jinja2:
   third_party_path = os.path.join(
       input_api.PresubmitLocalPath(), "..", "third_party")
   # For the bindings generator:
   mojo_public_bindings_pylib_path = os.path.join(
       input_api.PresubmitLocalPath(), "public", "tools", "bindings", "pylib")
+  # For the python bindings:
+  mojo_python_bindings_path = os.path.join(
+      input_api.PresubmitLocalPath(), "public", "python")
+  # For the python bindings tests:
+  mojo_python_bindings_tests_path = os.path.join(
+      input_api.PresubmitLocalPath(), "python", "tests")
   # TODO(vtl): Don't lint these files until the (many) problems are fixed
   # (possibly by deleting/rewriting some files).
   temporary_black_list = input_api.DEFAULT_BLACK_LIST + \
       (r".*\bpublic[\\\/]tools[\\\/]bindings[\\\/]pylib[\\\/]mojom[\\\/]"
            r"generate[\\\/].+\.py$",
        r".*\bpublic[\\\/]tools[\\\/]bindings[\\\/]generators[\\\/].+\.py$",
        r".*\bspy[\\\/]ui[\\\/].+\.py$",
        r".*\btools[\\\/]pylib[\\\/]transitive_hash\.py$",
        r".*\btools[\\\/]test_runner\.py$")
 
   results = []
-  pylint_extra_paths = [third_party_path, mojo_public_bindings_pylib_path]
+  pylint_extra_paths = [
+      third_party_path,
+      mojo_public_bindings_pylib_path,
+      mojo_python_bindings_path,
+      mojo_python_bindings_tests_path,
+  ]
   results += input_api.canned_checks.RunPylint(
       input_api, output_api, extra_paths_list=pylint_extra_paths,
       black_list=temporary_black_list)
   return results