From: Ricardo Wurmus <rekado@elephly.net>
To: 28251@debbugs.gnu.org
Cc: Ricardo Wurmus <rekado@elephly.net>
Subject: [bug#28251] [PATCH 3/3] import: Add JSON importer.
Date: Sun, 27 Aug 2017 18:00:46 +0200 [thread overview]
Message-ID: <20170827160046.29049-3-rekado@elephly.net> (raw)
In-Reply-To: <20170827160046.29049-1-rekado@elephly.net>
* guix/scripts/import/json.scm: New file.
* guix/scripts/import.scm (importers): Add json.
---
guix/scripts/import.scm | 2 +-
guix/scripts/import/json.scm | 101 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 102 insertions(+), 1 deletion(-)
create mode 100644 guix/scripts/import/json.scm
diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm
index 9bba074e8..67bc7a755 100644
--- a/guix/scripts/import.scm
+++ b/guix/scripts/import.scm
@@ -74,7 +74,7 @@ rather than \\n."
;;;
(define importers '("gnu" "nix" "pypi" "cpan" "hackage" "stackage" "elpa" "gem"
- "cran" "crate" "texlive"))
+ "cran" "crate" "texlive" "json"))
(define (resolve-importer name)
(let ((module (resolve-interface
diff --git a/guix/scripts/import/json.scm b/guix/scripts/import/json.scm
new file mode 100644
index 000000000..b459ef819
--- /dev/null
+++ b/guix/scripts/import/json.scm
@@ -0,0 +1,101 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2015, 2017 Ricardo Wurmus <rekado@elephly.net>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix scripts import json)
+ #:use-module (json)
+ #:use-module (guix ui)
+ #:use-module (guix utils)
+ #:use-module (guix scripts)
+ #:use-module (guix import utils)
+ #:use-module (guix scripts import)
+ #:use-module (guix packages)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-9 gnu)
+ #:use-module (srfi srfi-11)
+ #:use-module (srfi srfi-37)
+ #:use-module (srfi srfi-41)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 rdelim)
+ #:use-module (ice-9 format)
+ #:export (guix-import-json))
+
+\f
+;;;
+;;; Command-line options.
+;;;
+
+(define %default-options
+ '())
+
+(define (show-help)
+ (display (G_ "Usage: guix import json PACKAGE-FILE
+Import and convert the JSON package definition in PACKAGE-FILE.\n"))
+ (display (G_ "
+ -h, --help display this help and exit"))
+ (display (G_ "
+ -V, --version display version information and exit"))
+ (newline)
+ (show-bug-report-information))
+
+(define %options
+ ;; Specification of the command-line options.
+ (cons* (option '(#\h "help") #f #f
+ (lambda args
+ (show-help)
+ (exit 0)))
+ (option '(#\V "version") #f #f
+ (lambda args
+ (show-version-and-exit "guix import json")))
+ %standard-import-options))
+
+\f
+;;;
+;;; Entry point.
+;;;
+
+(define (guix-import-json . args)
+ (define (parse-options)
+ ;; Return the alist of option values.
+ (args-fold* args %options
+ (lambda (opt name arg result)
+ (leave (G_ "~A: unrecognized option~%") name))
+ (lambda (arg result)
+ (alist-cons 'argument arg result))
+ %default-options))
+
+ (let* ((opts (parse-options))
+ (args (filter-map (match-lambda
+ (('argument . value)
+ value)
+ (_ #f))
+ (reverse opts))))
+ (match args
+ ((file-name)
+ (catch 'json-invalid
+ (lambda ()
+ (let ((json (json-string->scm
+ (with-input-from-file file-name read-string))))
+ ;; TODO: also print define-module boilerplate
+ (package->code (data->guix-package (hash-table->alist json)))))
+ (lambda ()
+ (leave (G_ "invalid JSON in file '~a'~%") file-name))))
+ (()
+ (leave (G_ "too few arguments~%")))
+ ((many ...)
+ (leave (G_ "too many arguments~%"))))))
--
2.14.1
next prev parent reply other threads:[~2017-08-27 16:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-27 15:58 [bug#28251] [PATCH 0/3] Add generic JSON importer Ricardo Wurmus
2017-08-27 16:00 ` [bug#28251] [PATCH 1/3] packages: Add package->code Ricardo Wurmus
2017-08-27 16:00 ` [bug#28251] [PATCH 2/3] import: Add generic data to package converter Ricardo Wurmus
2017-09-04 13:04 ` Ludovic Courtès
2017-08-27 16:00 ` Ricardo Wurmus [this message]
2017-09-04 13:04 ` [bug#28251] [PATCH 3/3] import: Add JSON importer Ludovic Courtès
2017-09-01 15:55 ` [bug#28251] [PATCH 1/3] packages: Add package->code Ludovic Courtès
2017-09-28 11:19 ` bug#28251: " Ricardo Wurmus
2017-08-28 12:27 ` [bug#28251] [PATCH 0/3] Add generic JSON importer Ricardo Wurmus
2017-09-01 15:35 ` Ludovic Courtès
2017-09-28 11:23 ` Ricardo Wurmus
2017-09-28 19:58 ` Ludovic Courtès
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