This makes selenium in Firefox work on the Mac.

tests/selenium/unpack_firefox.py

+#!/usr/bin/env python
+
+import sys
+import os
+import shutil
+import subprocess
+
+script_dir = os.path.normpath(os.path.dirname(os.path.abspath(__file__)))
+o3d_dir = os.path.dirname(os.path.dirname(script_dir))
+src_dir = os.path.dirname(o3d_dir)
+third_party_dir = os.path.join(src_dir, 'third_party')
+internal_dir = os.path.join(src_dir, 'o3d-internal')
+gflags_dir = os.path.join(third_party_dir, 'gflags', 'python')
+sys.path.append(gflags_dir)
+
+import gflags
+
+# Command line flags
+FLAGS = gflags.FLAGS
+gflags.DEFINE_boolean("cleanup", False,
+                      "If this is set, then the script cleans up "
+                      "instead of unpacking.")
+gflags.DEFINE_string("plugin_path", "", "This is the path to the plugin.")
+gflags.DEFINE_string("product_path", "",
+                     "This is the path to the built products.")
+
+if sys.platform != "darwin":
+  print "This script is only for use on Mac OS X"
+  sys.exit(-1)
+
+def Cleanup(dir):
+  shutil.rmtree(dir, ignore_errors=True)
+
+def InstallInternal(internal_firefox_dir, firefox_dir):
+  firefox_app = os.path.join(firefox_dir, 'Firefox.app')
+  firefox_tgz = os.path.join(internal_firefox_dir, 'firefox.tgz')
+  print "Unpacking Firefox in '%s' to staging area." % firefox_tgz
+  os.mkdir(firefox_dir)
+  subprocess.call(['tar', '-C', firefox_dir, 'xfz', firefox_tgz])
+  dest_plugin_path = os.path.join(firefox_app, 'Contents', 'MacOS',
+                                  'plugins',
+                                  os.path.basename(FLAGS.plugin_path))
+  os.symlink(FLAGS.plugin_path, dest_plugin_path)
+  return 0
+
+def Install(firefox_dir):
+  # No hermetic version, look for Firefox.app in /Applications
+  source_app = '/Applications/Firefox.app'
+  print "Copying Firefox in '%s' to staging area." % source_app
+
+  if not os.path.exists(source_app):
+    print "Unable to find Firefox in %s, is it installed?" % source_app
+    sys.exit(-1)
+
+  firefox_app = os.path.join(firefox_dir, 'Firefox.app')
+  dest_plugin_path = os.path.join(firefox_app, 'Contents', 'MacOS',
+                                  'plugins',
+                                  os.path.basename(FLAGS.plugin_path))
+  os.mkdir(firefox_dir)
+  subprocess.call(['ditto', source_app,  firefox_app])
+  os.symlink(FLAGS.plugin_path, dest_plugin_path)
+  return 0
+
+def main(args):
+  internal_firefox_dir = os.path.join(internal_dir, 'firefox')
+  if not os.path.exists(FLAGS.plugin_path):
+    print "Plugin '%s' is missing." % FLAGS.plugin_path
+    sys.exit(-1)
+
+  if not os.path.exists(FLAGS.product_path):
+    print "Product path '%s' is missing." % FLAGS.product_path
+    sys.exit(-1)
+
+  # Cleanup any residual stuff.
+  firefox_dir = os.path.join(FLAGS.product_path, 'selenium_firefox')
+  Cleanup(firefox_dir)
+
+  if not FLAGS.cleanup:
+    # if we have a hermetic version of Firefox, then use it.
+    if os.path.exists(internal_firefox_dir):
+        sys.exit(InstallInternal(internal_firefox_dir, firefox_dir))
+    # Otherwise, we just copy what the user has installed.
+    else:
+      if not FLAGS.cleanup:
+        sys.exit(Install(firefox_dir))
+  sys.exit(0)
+
+if __name__ == "__main__":
+  bare_args = FLAGS(sys.argv)
+  main(bare_args)