HTTPS log in with urllib2

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难免孤独
难免孤独 2021-02-09 22:27

I currently have a little script that downloads a webpage and extracts some data I\'m interested in. Nothing fancy.

Currently I\'m downloading the page like so:

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  •  渐次进展
    2021-02-09 23:13

    this says, it should be straight forward

    [as] long as your local Python has SSL support.

    If you use just HTTP Basic Authentication, you must set different handler, as described here.

    Quoting the example there:

    import urllib2
    
    theurl = 'http://www.someserver.com/toplevelurl/somepage.htm'
    username = 'johnny'
    password = 'XXXXXX'
    # a great password
    
    passman = urllib2.HTTPPasswordMgrWithDefaultRealm()
    # this creates a password manager
    passman.add_password(None, theurl, username, password)
    # because we have put None at the start it will always
    # use this username/password combination for  urls
    # for which `theurl` is a super-url
    
    authhandler = urllib2.HTTPBasicAuthHandler(passman)
    # create the AuthHandler
    
    opener = urllib2.build_opener(authhandler)
    
    urllib2.install_opener(opener)
    # All calls to urllib2.urlopen will now use our handler
    # Make sure not to include the protocol in with the URL, or
    # HTTPPasswordMgrWithDefaultRealm will be very confused.
    # You must (of course) use it when fetching the page though.
    
    pagehandle = urllib2.urlopen(theurl)
    # authentication is now handled automatically for us
    

    If you do Digest, you'll have to set some additional headers, but they are the same regardless of SSL usage. Google for python+urllib2+http+digest.

    Cheers,

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