From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Helmut Eller Newsgroups: gmane.emacs.devel Subject: Re: Emacs HTTP libraries [was: Re: How to contribute new package to GNU ELPA?] Date: Sun, 20 Dec 2020 16:23:37 +0100 Message-ID: References: <15c3cc00-f56e-6e52-2228-30817639315a@gmail.com> <87v9cwek4u.fsf_-_@alphapapa.net> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="36657"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:v0SvYN242qbyxbm64zCIr9aWYLY= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Dec 20 16:24:51 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kr0Zm-0009SB-8s for ged-emacs-devel@m.gmane-mx.org; Sun, 20 Dec 2020 16:24:50 +0100 Original-Received: from localhost ([::1]:58048 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kr0Zl-00036g-Bg for ged-emacs-devel@m.gmane-mx.org; Sun, 20 Dec 2020 10:24:49 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60080) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kr0Yk-0002ee-Tq for emacs-devel@gnu.org; Sun, 20 Dec 2020 10:23:46 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]:42424) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kr0Yj-0000Fd-GM for emacs-devel@gnu.org; Sun, 20 Dec 2020 10:23:46 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1kr0Yh-0008K1-1P for emacs-devel@gnu.org; Sun, 20 Dec 2020 16:23:43 +0100 X-Injected-Via-Gmane: http://gmane.org/ Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: 5 X-Spam_score: 0.5 X-Spam_bar: / X-Spam_report: (0.5 / 5.0 requ) BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FORGED_GMAIL_RCVD=1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NML_ADSP_CUSTOM_MED=0.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:261336 Archived-At: On Sun, Dec 20 2020, Stefan Monnier wrote: >> Emacs definitely needs an alternative to url.el. It has some issues >> that are not easily solved nor worked around, such as potentially >> calling callbacks multiple times[0], requests not timing out, and some >> of its API being in the form of undocumented variables that must be >> let-bound around calls to its functions. > > We should improve the API, indeed. Would you be interested in working > on that? > > Extra bonus points if we can write a simple "`request` emulation layer" > on top of it ;-) > > We should also fix the bugs: the multiple callbacks issue shouldn't be > hard to trackdown and fix. I think it's worth looking at the fetch API[1] for inspiration. Especially using Javascript-like promises consistently would help. Many people will be familiar with the Javascript API and it's just a lot easier to steal a (non-perfect) design than to come up with something better. Helmut [1] https://fetch.spec.whatwg.org/#fetch-api