Remove thirdparty/unittest2 from webkitpy and require python2.7.

Tools/Scripts/webkitpy/test/main.py

 # Copyright (C) 2012 Google, Inc.
 # Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
 #     documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 """unit testing code for webkitpy."""
 
+import StringIO
 import logging
 import multiprocessing
 import optparse
 import os
-import StringIO
 import sys
 import time
 import traceback
 import unittest
 
 from webkitpy.common.webkit_finder import WebKitFinder
 from webkitpy.common.system.filesystem import FileSystem
 from webkitpy.common.system.executive import Executive
 from webkitpy.test.finder import Finder
 from webkitpy.test.printer import Printer
@@ skipping 69 matching lines @@
 
         return parser.parse_args(argv)
 
     def run(self):
         argv = sys.argv[1:]
         self._options, args = self._parse_args(argv)
 
         # Make sure PYTHONPATH is set up properly.
         sys.path = self.finder.additional_paths(sys.path) + sys.path
 
-        # FIXME: unittest2 needs to be in sys.path for its internal imports to work.
+        # FIXME: coverage needs to be in sys.path for its internal imports to work.
         thirdparty_path = self.webkit_finder.path_from_webkit_base('Tools', 'Scripts', 'webkitpy', 'thirdparty')
         if not thirdparty_path in sys.path:
             sys.path.append(thirdparty_path)
 
         self.printer.configure(self._options)
 
         # Do this after configuring the printer, so that logging works properly.
         if self._options.coverage:
             argv = ['-j', '1'] + [arg for arg in argv if arg not in ('-c', '--coverage', '-j', '--child-processes')]
             _log.warning('Checking code coverage, so running things serially')
@@ skipping 78 matching lines @@
     def _log_exception(self):
         s = StringIO.StringIO()
         traceback.print_exc(file=s)
         for l in s.buflist:
             _log.error('  ' + l.rstrip())
 
 
 
 if __name__ == '__main__':
     sys.exit(main())