Python -- 网络编程 -- 认识Python3的urllib库

Python3的urllib包含5个模块

urllib

error
parse
request
response
robotparser

各个模块的主要成员：

error

 ['ContentTooShortError', 'HTTPError', 'URLError', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__initializing__', '__loader__', '__name__', '__package__', 'urllib']

parse

 ['DefragResult', 'DefragResultBytes', 'MAX_CACHE_SIZE', 'ParseResult', 'ParseResultBytes', 'Quoter', 'ResultBase', 'SplitResult', 'SplitResultBytes', '_ALWAYS_SAFE', '_ALWAYS_SAFE_BYTES', '_DefragResultBase', '_NetlocResultMixinBase', '_NetlocResultMixinBytes', '_NetlocResultMixinStr', '_ParseResultBase', '_ResultMixinBytes', '_ResultMixinStr', '_SplitResultBase', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__initializing__', '__loader__', '__name__', '__package__', '_asciire', '_coerce_args', '_decode_args', '_encode_result', '_hexdig', '_hextobyte', '_hostprog', '_implicit_encoding', '_implicit_errors', '_noop', '_nportprog', '_parse_cache', '_passwdprog', '_portprog', '_queryprog', '_safe_quoters', '_splitnetloc', '_splitparams', '_tagprog', '_typeprog', '_userprog', '_valueprog', 'clear_cache', 'collections', 'namedtuple', 'non_hierarchical', 'parse_qs', 'parse_qsl', 'quote', 'quote_from_bytes', 'quote_plus', 're', 'scheme_chars', 'splitattr', 'splithost', 'splitnport', 'splitpasswd', 'splitport', 'splitquery', 'splittag', 'splittype', 'splituser', 'splitvalue', 'sys', 'to_bytes', 'unquote', 'unquote_plus', 'unquote_to_bytes', 'unwrap', 'urldefrag', 'urlencode', 'urljoin', 'urlparse', 'urlsplit', 'urlunparse', 'urlunsplit', 'uses_fragment', 'uses_netloc', 'uses_params', 'uses_query', 'uses_relative']

request

 ['AbstractBasicAuthHandler', 'AbstractDigestAuthHandler', 'AbstractHTTPHandler', 'BaseHandler', 'CacheFTPHandler', 'ContentTooShortError', 'FTPHandler', 'FancyURLopener', 'FileHandler', 'HTTPBasicAuthHandler', 'HTTPCookieProcessor', 'HTTPDefaultErrorHandler', 'HTTPDigestAuthHandler', 'HTTPError', 'HTTPErrorProcessor', 'HTTPHandler', 'HTTPPasswordMgr', 'HTTPPasswordMgrWithDefaultRealm', 'HTTPRedirectHandler', 'HTTPSHandler', 'MAXFTPCACHE', 'OpenerDirector', 'ProxyBasicAuthHandler', 'ProxyDigestAuthHandler', 'ProxyHandler', 'Request', 'URLError', 'URLopener', 'UnknownHandler', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__initializing__', '__loader__', '__name__', '__package__', '__version__', '_cut_port_re', '_ftperrors', '_have_ssl', '_localhost', '_noheaders', '_opener', '_parse_proxy', '_proxy_bypass_macosx_sysconf', '_randombytes', '_safe_gethostbyname', '_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', 'sys', 'tempfile', 'thishost', 'time', 'to_bytes', 'unquote', 'unwrap', 'url2pathname', 'urlcleanup', 'urljoin', 'urlopen', 'urlparse', 'urlretrieve', 'urlsplit', 'urlunparse', 'warnings']

response

 ['__builtins__', '__cached__', '__doc__', '__file__', '__initializing__', '__loader__', '__name__', '__package__', 'addbase', 'addclosehook', 'addinfo', 'addinfourl']

robotparser

 ['Entry', 'RobotFileParser', 'RuleLine', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__initializing__', '__loader__', '__name__', '__package__', 'urllib']