| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import base64 |
| import glob |
| import logging |
| import os |
| import shutil |
| |
| class ImageDiffPublisher(object): |
| """ |
| Class that takes care of creating the HTML file output when a pdiff |
| comparison fails. It moves each of the three images to a folder in the |
| results directory. It then writes a html file that references these images. |
| |
| """ |
| |
| VIEWER_FILES = '/usr/local/autotest/cros/image_comparison/diffviewer/*' |
| |
| JS = """ |
| $(document).ready(function() { |
| $("#fullsizeimage").attr("src", $("#golden").attr("src")); |
| $(".thumb").click(function() { |
| $("#fullsizeimage").attr("src", $(this).attr("src")); |
| }); |
| }); |
| """ |
| |
| CSS = """ |
| #testrundetails { |
| height: 200px; |
| } |
| |
| #thumbnails { |
| top: 250px; |
| left: 10px; |
| width: 260px; |
| margin: 0px; |
| padding: 0px; |
| position: absolute; |
| } |
| |
| .thumb { |
| width: 200px; |
| height: auto; |
| cursor: pointer; |
| border: 3px solid black; |
| } |
| |
| .thumb:hover { |
| border: 3px solid blue; |
| } |
| |
| #content { |
| margin-left: 260px; |
| } |
| |
| .tagname { |
| font-weight: bold; |
| } |
| """ |
| |
| def __init__(self, results_folder): |
| """ |
| @param results_folder: path, where to publish to |
| """ |
| self.results_folder = results_folder |
| |
| def publish(self, golden_image_path, test_image_path, diff_image_path, |
| tags): |
| """ |
| Move viewer files to the results folder and base64 encode the images. |
| Write tags to HTML file. |
| |
| @param golden_image_path: path, complete path to a golden image. |
| @param test_image_path: path, complete path to a test image. |
| @param diff_image_path: path, complete path to a diff image. |
| @param tags: list, run information. |
| """ |
| |
| try: |
| # Copy the files needed for the viewer to resultsdir |
| for diff_viewer_file in glob.glob(self.VIEWER_FILES): |
| shutil.copy(diff_viewer_file, self.results_folder) |
| |
| except shutil.Error as error: |
| logging.debug('Failed to copy files to results directory') |
| logging.debug(error) |
| raise |
| |
| # Encode the images to base64 |
| base64_images = [] |
| with open(golden_image_path, "rb") as image_file: |
| base64_images.append(base64.b64encode(image_file.read())) |
| with open(test_image_path, "rb") as image_file: |
| base64_images.append(base64.b64encode(image_file.read())) |
| with open(diff_image_path, "rb") as image_file: |
| base64_images.append(base64.b64encode(image_file.read())) |
| |
| # Append all of the things we push to the html template |
| tags = [self.CSS, self.JS] + tags + base64_images |
| |
| html_file_fullpath = os.path.join(self.results_folder, 'index.html') |
| self._write_tags_to_html(tags, html_file_fullpath) |
| |
| def _write_tags_to_html(self, tags, html_filename): |
| """ |
| Writes tags to the HTML file |
| |
| @param tags the tags to write into the html template |
| @param html_filename the full path to the html template |
| """ |
| |
| with open(html_filename, 'r+') as f: |
| html = f.read() |
| formatted_html = html.format(*tags) |
| f.seek(0) |
| f.write(formatted_html) |