link.py 文件源码

def get_normal_title(self,url):
        return_message = ""
        head = requests.head(url)
        max_size = 5e6
        if 'content-length' in head.headers and  int(head.headers['content-length']) > max_size:
            return_message = "File too big for link preview\r\n"
        else:
            with eventlet.Timeout(60, False):
                response = requests.get(url,timeout=30)
                if response.status_code == 200:
                    if 'text/html' in response.headers['content-type']:
                            soup = BeautifulSoup(response.content,"lxml")
                            if soup.title is not None:
                                return_message += soup.title.string + "\r\n"
                    else:
                        return_message += response.headers['content-type'] + " Size: " + response.headers['content-length'] + "\r\n"
        return return_message