python3.x的urllib.request哪去了?
最近看一些python爬蟲視訊教程,視訊中的版本是3.x,而裡面的一些方法在2.7的版本卻用不了。
這裡就先不累述python2和python3的具體區別了,就單純寫爬蟲中遇到的區別,比如說urllib庫。
urllibPython 2 namePython 3 name
urllib.urlopen() Deprecated. See urllib.request.urlopen() which mirrors urllib2.urlopen()
urllib.urlretrieve() urllib.request.urlretrieve()
urllib.urlcleanup() urllib.request.urlcleanup()
urllib.quote() urllib.parse.quote()
urllib.quote_plus() urllib.parse.quote_plus()
urllib.unquote() urllib.parse.unquote()
urllib.unquote_plus() urllib.parse.unquote_plus()
urllib.urlencode() urllib.parse.urlencode()
urllib.pathname2url() urllib.request.pathname2url()
urllib.url2pathname() urllib.request.url2pathname()
urllib.getproxies() urllib.request.getproxies()
urllib.URLopener urllib.request.URLopener
urllib.FancyURLopener urllib.request.FancyURLopener
urllib.ContentTooShortError urllib.error.ContentTooShortError
Python 2 namePython 3 name
urllib2.urlopen() urllib.request.urlopen()
urllib2.install_opener() urllib.request.install_opener()
urllib2.build_opener() urllib.request.build_opener()
urllib2.URLError urllib.error.URLError
urllib2.HTTPError urllib.error.HTTPError
urllib2.Request urllib.request.Request
urllib2.OpenerDirector urllib.request.OpenerDirector
urllib2.BaseHandler urllib.request.BaseHandler
urllib2.HTTPDefaultErrorHandler urllib.request.HTTPDefaultErrorHandler
urllib2.HTTPRedirectHandler urllib.request.HTTPRedirectHandler
urllib2.HTTPCookieProcessor urllib.request.HTTPCookieProcessor
urllib2.ProxyHandler urllib.request.ProxyHandler
urllib2.HTTPPasswordMgr urllib.request.HTTPPasswordMgr
urllib2.HTTPPasswordMgrWithDefaultRealm urllib.request.HTTPPasswordMgrWithDefaultRealm
urllib2.AbstractBasicAuthHandler urllib.request.AbstractBasicAuthHandler
urllib2.HTTPBasicAuthHandler urllib.request.HTTPBasicAuthHandler
urllib2.ProxyBasicAuthHandler urllib.request.ProxyBasicAuthHandler
urllib2.AbstractDigestAuthHandler urllib.request.AbstractDigestAuthHandler
urllib2.HTTPDigestAuthHandler urllib.request.HTTPDigestAuthHandler
urllib2.ProxyDigestAuthHandler urllib.request.ProxyDigestAuthHandler
urllib2.HTTPHandler urllib.request.HTTPHandler
urllib2.HTTPSHandler urllib.request.HTTPSHandler
urllib2.FileHandler urllib.request.FileHandler
urllib2.FTPHandler urllib.request.FTPHandler
urllib2.CacheFTPHandler urllib.request.CacheFTPHandler
urllib2.UnknownHandler urllib.request.UnknownHandler