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检测地址能否打开[python] 原

import urllib.request   import time   opener = urllib.request.build_opener()   opener.addheaders = [('User-agent', 'Mozilla/49.0.2')]   #这个是你放网址的文件名,改过来就可以了   # file = open('test.txt')   # lines = file.readlines()   aa=['http://www.baidu.com/','http://www.baidu.com']   # for line in lines:   #     temp=line.replace('\n','')   #     aa.append(temp)   # print(aa)   print('开始检查:')   for a in aa:       tempUrl = a       try :           opener.open(tempUrl)           print(tempUrl+'没问题')       except urllib.error.HTTPError:           print(tempUrl+'=访问页面出错')           time.sleep(2)       except urllib.error.URLError:           print(tempUrl+'=访问页面出错')           time.sleep(2)       time.sleep(0.1)

01

Python库之urllib

['AbstractBasicAuthHandler', 'AbstractDigestAuthHandler', 'AbstractHTTPHandler', 'BaseHandler', 'CacheFTPHandler', 'ContentTooShortError', 'DataHandler', 'FTPHandler', 'FancyURLopener', 'FileHandler', 'HTTPBasicAuthHandler', 'HTTPCookieProcessor', 'HTTPDefaultErrorHandler', 'HTTPDigestAuthHandler', 'HTTP Error', 'HTTPErrorProcessor', 'HTTPHandler', 'HTTPPasswordMgr', 'HTTPPasswordMgrWithDefaultRealm', 'HTTPPasswordMgrWithPriorAuth', 'HTTPRedirectHandler', 'HTTPSHandler', 'MAXFTPCACHE', 'OpenerDirector', 'ProxyBasicAuthHandler', 'ProxyDigestAuthHandler', 'ProxyHandler', 'Request', 'URLError', 'URLopener',  'UnknownHandler', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__spec__', '__version__', '_cut_port_re', '_ftperrors', '_have_ssl', '_localhost', '_noheaders', '_opener', '_parse_proxy', '_proxy_bypass_macosx_sysconf', '_randombytes', '_safe_g ethostbyname', '_thishost', '_url_tempfiles', 'addclosehook', 'addinfourl', 'base64', 'bisect', 'build_opener', 'collections', 'contextlib', 'email', 'ftpcache', 'ftperrors', 'ftpwrapper', 'getproxies', 'getproxies_environment', 'getproxies_registry', 'hashlib', 'http', 'install_opener', 'io', 'localhost ', 'noheaders', 'os', 'parse_http_list', 'parse_keqv_list', 'pathname2url', 'posixpath', 'proxy_bypass', 'proxy_bypass_environment', 'proxy_bypass_registry', 'quote', 're', 'request_host', 'socket', 'splitattr', 'splithost', 'splitpasswd', 'splitport', 'splitquery', 'splittag', 'splittype', 'splituser', 'splitvalue', 'ssl', 'string', 'sys', 'tempfile', 'thishost', 'time', 'to_bytes', 'unquote', 'unquote_to_bytes', 'unwrap', 'url2pathname', 'urlcleanup', 'urljoin', 'urlopen', 'urlparse', 'urlretrieve', 'urlsplit', 'urlunparse', 'warnings']

02
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