Better detect location of My Documents under Windows

def default_nuxeo_drive_folder():
    """Find a reasonable location for the root Nuxeo Drive folder

    This folder is user specific, typically under the home folder.
    """
    if sys.platform == "win32":
        # WARNING: it's important to check `Documents` first as under Windows 7
        # there also exists a `My Documents` folder invisible in the explorer
        # and cmd / powershell but visible from Python
        documents = os.path.expanduser(ur'~\Documents')
        my_documents = os.path.expanduser(ur'~\My Documents')
        if os.path.exists(documents):
            # Regular location for documents under Windows 7 and up
            return os.path.join(documents, u'Nuxeo Drive')
        elif os.path.exists(my_documents):
            # Compat for Windows XP
            return os.path.join(my_documents, u'Nuxeo Drive')

    # Fallback to home folder otherwise
    return os.path.join(os.path.expanduser(u'~'), u'Nuxeo Drive'

2013-05-30 15:18:11,226 23072 22920 DEBUG    nxdrive.gui.authentication Unable to connect to http://192.168.56.101/nuxeo
Traceback (most recent call last):
  File "nuxeo-drive-client\nxdrive\gui\authentication.py", line 142, in bind_server
  File "nuxeo-drive-client\nxdrive\controller.py", line 263, in bind_server
  File "C:\Python\32-bit\2.7\lib\os.py", line 157, in makedirs
WindowsError: [Error 3] The system cannot find the path specified: u'C:\\Users\\joe\\My Documents\\Nuxeo Drive'