Vulcanize Settings

chrome/browser/resources/settings/vulcanize.py

+#!/usr/bin/env python
+# Copyright 2015 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.
+
+# usage: vulcanize.py (linux|chromeos)
+
+# note: first, run /patch_vulcanize.sh for $i18n{..} support
+
+# TODO: ui/webui needs to be flattened, e.g. cr_elements/icons.html,
+#     css/roboto.css, md_select_css.html
+
+import os
+import re
+import subprocess
+import shutil
+import sys
+import tempfile
+import flatten_settings
+
+_HERE_PATH = os.path.join(os.path.dirname(__file__))
+
+_HTML_OUT_PATH = os.path.join(_HERE_PATH, 'vulcanized.html')
+_JS_OUT_PATH = os.path.join(_HERE_PATH, 'crisper.js')
+
+_SRC_PATH = os.path.normpath(os.path.join(_HERE_PATH, '..', '..', '..', '..'))
+
+_RESOURCES_PATH = os.path.join(_SRC_PATH, 'ui', 'webui', 'resources')
+
+_CR_ELEMENTS_PATH = os.path.join(_RESOURCES_PATH, 'cr_elements')
+_CSS_RESOURCES_PATH = os.path.join(_RESOURCES_PATH, 'css')
+_HTML_RESOURCES_PATH = os.path.join(_RESOURCES_PATH, 'html')
+_JS_RESOURCES_PATH = os.path.join(_RESOURCES_PATH, 'js')
+
+_POLYMER_PATH = os.path.join(
+    _SRC_PATH, 'third_party', 'polymer', 'v1_0', 'components-chromium')
+
+def main():
+  def _run_cmd(cmd_parts, stdout=None):
+    cmd = "'" + "' '".join(cmd_parts) + "'"
+    process = subprocess.Popen(
+        cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
+    stdout, stderr = process.communicate()
+
+    if stderr:
+      print >> sys.stderr, '%s failed: %s' % (cmd, stderr)
+      raise
+
+    return stdout
+
+  def _run_vulcanize(settings_dir):
+    _VULCANIZE_ARGS = [
+      '--exclude', 'crisper.js',
+
+      # These files are already combined and minified.
+      '--exclude', 'chrome://resources/html/polymer.html',
+      '--exclude', 'web-animations-next-lite.min.js',
+
+      # These files are dynamically created by C++.
+      '--exclude', 'load_time_data.js',
+      '--exclude', 'strings.js',
+      '--exclude', 'text_defaults.css',
+      '--exclude', 'text_defaults_md.css',
+
+      '--inline-css',
+      '--inline-scripts',
+
+      # last-to-first
+      '--redirect', '/|%s' % settings_dir,
+      '--redirect', 'chrome://md-settings/|%s' % settings_dir,
+      '--redirect', 'chrome://resources/cr_elements/|%s' % _CR_ELEMENTS_PATH,
+      '--redirect', 'chrome://resources/css/|%s' % _CSS_RESOURCES_PATH,
+      '--redirect', 'chrome://resources/html/|%s' % _HTML_RESOURCES_PATH,
+      '--redirect', 'chrome://resources/js/|%s' % _JS_RESOURCES_PATH,
+      '--redirect', 'chrome://resources/polymer/v1_0/|%s' % _POLYMER_PATH,
+
+      '--strip-comments',
+    ]
+
+    _HTML_IN_PATH = os.path.join('/settings.html')
+    output = _run_cmd(['vulcanize'] + _VULCANIZE_ARGS + [_HTML_IN_PATH])
+
+    with tempfile.NamedTemporaryFile(mode='wt+', delete=False) as tmp:
+      tmp.write(output.replace(
+          '<include src="', '<include src="../../../../ui/webui/resources/js/'))
+
+    try:
+      _run_cmd(['crisper', '--source', tmp.name,
+                           '--script-in-head', 'false',
+                           '--html', _HTML_OUT_PATH,
+                           '--js', _JS_OUT_PATH])
+
+      # TODO: encoding issue breaking grit
+      with open(_HTML_OUT_PATH, 'r+') as outfile:
+        html_out = outfile.read().decode('utf-8').replace(u'\u2715', '&#x2715;').encode('utf-8')
+        outfile.seek(0)
+        outfile.write(html_out)
+
+    finally:
+      os.remove(tmp.name)
+
+  chromeos = len(sys.argv) > 1 and sys.argv[1] == 'chromeos'
+  settings_dir = flatten_settings.flatten(sys.argv[1])
+  try:
+    _run_vulcanize(settings_dir)
+  finally:
+    shutil.rmtree(settings_dir)
+
+
+if __name__ == '__main__':
+  main()