Add --sky support in mojo_shell.py.

mojo/tools/mojo_shell.py

 #!/usr/bin/env python
 # 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.
 
 import argparse
 import logging
 import sys
+import os.path
 
 import devtools
 devtools.add_lib_to_path()
 from devtoolslib.android_shell import AndroidShell
 from devtoolslib.linux_shell import LinuxShell
 from devtoolslib import shell_arguments
 
 from mopy.config import Config
 from mopy.paths import Paths
 
@@ skipping 34 matching lines @@
                       choices=['x64', 'x86', 'arm'])
 
   # Arguments configuring the shell run.
   parser.add_argument('--origin', help='Origin for mojo: URLs.')
   parser.add_argument('--window-manager', default=_DEFAULT_WINDOW_MANAGER,
                       help='Window manager app to be mapped as '
                       'mojo:window_manager. By default it is ' +
                       _DEFAULT_WINDOW_MANAGER)
   parser.add_argument('--no-debugger', action="store_true",
                       help='Do not spawn mojo:debugger.')
+  parser.add_argument('--sky',

[qsr, 2015/06/08 15:18:52]

This is not only sky. This is for all embeddable application. What about
--embed?

[ppi, 2015/06/08 15:29:14]

As discussed offline, this is quite sky specific, so leaving it as it is.

Stopped relying on the content-type and fixed the port, ptal.

+                      help='Loads the given Sky file.')
   parser.add_argument('-v', '--verbose', action="store_true",
                       help="Increase output verbosity")
 
   # Android-only arguments.
   parser.add_argument('--target-device', help='Device to run on.')
   parser.add_argument('--logcat-tags', help='Comma-separated list of '
                       'additional logcat tags to display on the console.')
 
   launcher_args, args = parser.parse_known_args()
   if launcher_args.android:
@@ skipping 18 matching lines @@
     shell = LinuxShell(paths.mojo_shell_path)
 
   if launcher_args.origin:
     args.append('--origin=' + launcher_args.origin)
   args = shell_arguments.AppendToArgument(args, '--url-mappings=',
                                           'mojo:window_manager=%s' %
                                           launcher_args.window_manager)
   if not launcher_args.no_debugger:
     args.extend(shell_arguments.ConfigureDebugger(shell))
 
+  if launcher_args.sky:
+    packages_local_path = os.path.join(paths.build_dir, 'gen', 'dart-pkg',
+                                       'packages')
+    additional_mappings = [
+        ('packages/', packages_local_path),
+    ]
+    server_url = shell.ServeLocalDirectory(paths.src_root,
+        additional_mappings=additional_mappings)
+    sky_url = server_url + launcher_args.sky
+
+    args.append('mojo:window_manager %s' % sky_url)
+    args = shell_arguments.AppendToArgument(args, '--content-handlers=',
+                                            'text/sky,mojo:sky_viewer')
+    args = shell_arguments.AppendToArgument(args, '--content-handlers=',
+                                            'application/dart,mojo:sky_viewer')
+  if launcher_args.verbose:
+    print "Shell arguments: " + str(args)
+
   shell.Run(args)
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())