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72 行
2.3 KiB
72 行
2.3 KiB
;;; request-deferred.el --- Wrap request.el by deferred -*- lexical-binding: t; -*-
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;; Copyright (C) 2012 Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; URL: https://github.com/tkf/emacs-request
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;; Package-Version: 20181129.317
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;; Package-Requires: ((deferred "0.3.1") (request "0.2.0"))
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;; Version: 0.2.0
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;; This file is NOT part of GNU Emacs.
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;; request-deferred.el is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; request-deferred.el is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with request-deferred.el.
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;; If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'request)
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(require 'deferred)
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(defun request-deferred (url &rest args)
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"Send a request and return deferred object associated with it.
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Following deferred callback takes a response object regardless of
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the response result. To make sure no error occurs during the
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request, check `request-response-error-thrown'.
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Arguments are the same as `request', but COMPLETE callback cannot
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be used as it is used for starting deferred callback chain.
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Example::
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(require 'request-deferred)
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(deferred:$
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(request-deferred \"http://httpbin.org/get\" :parser 'json-read)
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(deferred:nextc it
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(lambda (response)
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(message \"Got: %S\" (request-response-data response)))))
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"
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(let* ((d (deferred:new #'identity))
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(callback-post (apply-partially
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(lambda (d &rest args)
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(deferred:callback-post
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d (plist-get args :response)))
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d)))
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;; As `deferred:errorback-post' requires an error object to be
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;; posted, use `deferred:callback-post' for success and error
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;; cases.
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(setq args (plist-put args :complete callback-post))
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(apply #'request url args)
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d))
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(provide 'request-deferred)
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;;; request-deferred.el ends here
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