Steal a page from another document

def steal_page(self, page):
        """
        Steal a page from another document
        """
        if page.doc == self:
            return
        self.fs.mkdir_p(self.path)

        new_page = ImgPage(self, self.nb_pages)
        logger.info("%s --> %s" % (str(page), str(new_page)))
        new_page._steal_content(page)