Add a presubmit script and pylintrc for content/test/gpu

content/test/gpu/gpu_tests/cloud_storage_test_base.py

 # Copyright 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.
 
 """Base classes for a test and validator which upload results
 (reference images, error images) to cloud storage."""
 
 import os
 import re
 import tempfile
 
 from catapult_base import cloud_storage
 from telemetry.page import page_test
 from telemetry.util import image_util
 from telemetry.util import rgba_color
 
-import gpu_test_base
+from gpu_tests import gpu_test_base
 
 test_data_dir = os.path.abspath(os.path.join(
     os.path.dirname(__file__), '..', '..', 'data', 'gpu'))
 
 default_generated_data_dir = os.path.join(test_data_dir, 'generated')
 
 error_image_cloud_storage_bucket = 'chromium-browser-gpu-tests'
 
 def _CompareScreenshotSamples(screenshot, expectations, device_pixel_ratio):
   for expectation in expectations:
@@ skipping 157 matching lines @@
     cloud_storage.Get(self.options.refimg_cloud_storage_bucket,
                       self._FormatReferenceImageName(img_name, page, tab),
                       temp_file)
     return image_util.FromPngFile(temp_file)
 
   def _UploadErrorImagesToCloudStorage(self, image_name, screenshot, ref_img):
     """For a failing run, uploads the failing image, reference image (if
     supplied), and diff image (if reference image was supplied) to cloud
     storage. This subsumes the functionality of the
     archive_gpu_pixel_test_results.py script."""
-    machine_name = re.sub('\W+', '_', self.options.test_machine_name)
+    machine_name = re.sub(r'\W+', '_', self.options.test_machine_name)
     upload_dir = '%s_%s_telemetry' % (self.options.build_revision, machine_name)
     base_bucket = '%s/runs/%s' % (error_image_cloud_storage_bucket, upload_dir)
     image_name_with_revision = '%s_%s.png' % (
       image_name, self.options.build_revision)
     self._UploadBitmapToCloudStorage(
       base_bucket + '/gen', image_name_with_revision, screenshot,
       public=True)
     if ref_img is not None:
       self._UploadBitmapToCloudStorage(
         base_bucket + '/ref', image_name_with_revision, ref_img, public=True)
@@ skipping 52 matching lines @@
         default='')
     group.add_option('--test-machine-name',
         help='Name of the test machine. Specifying this argument causes this '
         'script to upload failure images and diffs to cloud storage directly, '
         'instead of relying on the archive_gpu_pixel_test_results.py script.',
         default='')
     group.add_option('--generated-dir',
         help='Overrides the default on-disk location for generated test images '
         '(only used for local testing without a cloud storage account)',
         default=default_generated_data_dir)