Out of curiosity, are there any extant plans or efforts beyond Jay's work on http-client aimed at net/ related functionality?
Just wondering, Evan On Thu, Jan 9, 2014 at 5:08 PM, Roman Klochkov <kalimeh...@mail.ru> wrote: > I'm making fully RFC6265 compliant cookie support for net/url and http. > https://github.com/Kalimehtar/client-cookies > > It is still pre-alpha, but, I hope, will be ready in 2-3 weeks. > > > Среда, 8 января 2014, 10:33 -07:00 от Matthew Flatt <mfl...@cs.utah.edu>: > > In case no one offers a better library, enclosed is a small one that I > recently created for a web-scraping task. > > Start a simulation of a browser with `make-connection`, use `goto!` to > follow a link to a relative URL (following redirects), and use `back!` > to go back. The `goto!` function returns two values: the headers as a > string and the page content as bytes. > > Beware: My application accessed a single site, so this library doesn't > attempt to do the right thing with cookies across sites. > > At Wed, 08 Jan 2014 03:48:44 -0800, Duncan Bayne wrote: > > Hi All, > > > > I'm trying to re-write some Common Lisp web-scraping code in Racket. > > > > In Common Lisp, I'm POSTing a login request, and storing the cookie-jar > > for subsequent GETs: > > > > (defun login (username password) > > "Logs in to www.example.com. Returns a cookie-jar containing > > authentication details." > > (let ((cookie-jar (make-instance 'drakma:cookie-jar))) > > (drakma:http-request > > "http://www.example.com/login";<http://www.example.com/login> > > :method :post > > :parameters `(("username" . ,username) ("password" . > > ,password)) > > :cookie-jar cookie-jar) > > cookie-jar)) > > > > ; snip > > > > (defun get-page (page-num cookie-jar) > > "Downloads a potentially invalid HTML page containing data to scrape. > > Returns a string containing the HTML." > > (let ((url (concatenate 'string > > "http://www.example.com/data/";<http://www.example.com/data/> > > (write-to-string page-num)))) > > (let ((body (drakma:http-request url :cookie-jar cookie-jar))) > > (if (search "No data found." body) > > nil > > body)))) > > > > However, I can't find an equivalent in Racket. The latest HTTP > > library[1] makes no mention of cookies at all, and AFAICT the cookie > > library[2] seems more about correctly serializing and deserializing > > them. > > > > Can anyone suggest a way of re-writing the above CL in Racket without > > having to implement a bunch of header-parsing stuff? > > > > TIA for any help ... > > > > [1] > > > https://github.com/plt/racket/blob/master/racket/collects/net/http-client.rkt > > [2] http://docs.racket-lang.org/net/cookie.html > > > > -- > > Duncan Bayne > > ph: +61 420817082 | web: http://duncan-bayne.github.com/ | skype: > > duncan_bayne > > > > I usually check my mail every 24 - 48 hours. If there's something > > urgent going on, please send me an SMS or call me. > > ____________________ > > Racket Users list: > > http://lists.racket-lang.org/users > ____________________ > Racket Users list: > http://lists.racket-lang.org/users > > > > -- > Roman Klochkov > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users > >
____________________ Racket Users list: http://lists.racket-lang.org/users
