def get_meta_content(self, meta_name):
meta = self.parser.css_select(self.article.doc, meta_name)<EOL>content = None<EOL>if meta is not None and len(meta) > <NUM_LIT:0>:<EOL><INDENT>content = self.parser.getAttribute(meta[<NUM_LIT:0>], '<STR_LIT:content>')<EOL><DEDENT>if content:<EOL><INDENT>return content.strip()<EOL><DEDENT>return '<STR_LIT>'<EOL>
Extract a given meta content form document