-# @with_working_copy_locked
-# def _open_page(self, title):
-# if title not in self:
-# raise DocumentNotFound()
-#
-# path = self._title_to_file(title)
-# logger.debug("Opening page %s", path)
-# try:
-# return self.repo.wfile(path, 'rb')
-# except IOError:
-# logger.exception("Failed to open page %s", title)
-# raise DocumentNotFound()
-