Moved most of html lib generating scripts into tools.

sdk/lib/html/scripts/idlsync.py

-#!/usr/bin/python
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-import optparse
-import os
-import os.path
-import re
-import shutil
-import subprocess
-import sys
-
-SCRIPT_PATH = os.path.abspath(os.path.dirname(__file__))
-DART_PATH = os.path.abspath(os.path.join(SCRIPT_PATH, '..', '..', '..', '..'))
-
-# Path to install latest IDL.
-IDL_PATH = os.path.join(DART_PATH, 'third_party', 'WebCore')
-
-# Whitelist of files to keep.
-WHITELIST = [
-    r'LICENSE(\S+)',
-    r'(\S+)\.idl']
-
-# README file to generate.
-README = os.path.join(IDL_PATH, 'README')
-
-# SVN URL to latest Dartium version of WebKit.
-DEPS = 'http://dart.googlecode.com/svn/branches/bleeding_edge/deps/dartium.deps/DEPS'
-URL_PATTERN = r'"dartium_webkit_trunk": "(\S+)",'
-REV_PATTERN = r'"dartium_webkit_revision": "(\d+)",'
-WEBCORE_SUBPATH = 'Source/WebCore'
-
-
-def RunCommand(cmd):
-  """Executes a shell command and return its stdout."""
-  print ' '.join(cmd)
-  pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-  output = pipe.communicate()
-  if pipe.returncode == 0:
-    return output[0]
-  else:
-    print output[1]
-    print 'FAILED. RET_CODE=%d' % pipe.returncode
-    sys.exit(pipe.returncode)
-
-
-def GetWebkitSvnRevision():
-  """Returns a tuple with the (dartium webkit repo, latest revision)."""
-  deps = RunCommand(['svn', 'cat', DEPS])
-  url = re.search(URL_PATTERN, deps).group(1)
-  revision = re.search(REV_PATTERN, deps).group(1)
-  return (url, revision)
-
-
-def RefreshIDL(url, revision):
-  """Refreshes the IDL to specific WebKit url / revision."""
-  cwd = os.getcwd()
-  try:
-    shutil.rmtree(IDL_PATH)
-    os.chdir(os.path.dirname(IDL_PATH))
-    RunCommand(['svn', 'export', '-r', revision, url + '/' + WEBCORE_SUBPATH])
-  finally:
-    os.chdir(cwd)
-
-
-def PruneExtraFiles():
-  """Removes all files that do not match the whitelist."""
-  pattern = re.compile(reduce(lambda x,y: '%s|%s' % (x,y),
-                              map(lambda z: '(%s)' % z, WHITELIST)))
-  for (root, dirs, files) in os.walk(IDL_PATH, topdown=False):
-    for f in files:
-      if not pattern.match(f):
-        os.remove(os.path.join(root, f))
-    for d in dirs:
-      dirpath = os.path.join(root, d)
-      if not os.listdir(dirpath):
-        shutil.rmtree(dirpath)
-
-
-def ParseOptions():
-  parser = optparse.OptionParser()
-  parser.add_option('--revision', '-r', dest='revision',
-                    help='Revision to install', default=None)
-  args, _ = parser.parse_args()
-  return args.revision
-
-
-def GenerateReadme(url, revision):
-  readme = """This directory contains a copy of WebKit/WebCore IDL files.
-See the attached LICENSE-* files in this directory.
-
-Please do not modify the files here.  They are periodically copied
-using the script: $DART_ROOT/sdk/lib/html/scripts/%(script)s
-
-The current version corresponds to:
-URL: %(url)s
-Current revision: %(revision)s
-""" % {
-    'script': os.path.basename(__file__),
-    'url': url,
-    'revision': revision }
-  out = open(README, 'w')
-  out.write(readme)
-  out.close()
-
-
-def main():
-  revision = ParseOptions()
-  url, latest = GetWebkitSvnRevision()
-  if not revision:
-    revision = latest
-  RefreshIDL(url, revision)
-  PruneExtraFiles()
-  GenerateReadme(url, revision)
-
-
-if __name__ == '__main__':
-  main()