'Change TV_DOWNLOAD directory (used by postprocessor)
:param tv_download_dir: New tv download directory
:return: True on success, False on failure'

def change_tv_download_dir(self, tv_download_dir):

    if (tv_download_dir == u''):
        self.TV_DOWNLOAD_DIR = u''
        return True
    if (os.path.normpath(self.TV_DOWNLOAD_DIR) != os.path.normpath(tv_download_dir)):
        if makeDir(tv_download_dir):
            self.TV_DOWNLOAD_DIR = os.path.normpath(tv_download_dir)
            sickrage.srCore.srLogger.info((u'Changed    TV    download    folder    to    ' + tv_download_dir))
        else:
            return False
    return True
