131 lines
5.0 KiB
Scheme
131 lines
5.0 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2014 David Thompson <davet@gnu.org>
|
|
;;;
|
|
;;; 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 import pypi)
|
|
#:use-module (ice-9 binary-ports)
|
|
#:use-module (ice-9 match)
|
|
#:use-module (ice-9 pretty-print)
|
|
#:use-module (ice-9 regex)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (rnrs bytevectors)
|
|
#:use-module (json)
|
|
#:use-module (web uri)
|
|
#:use-module (guix utils)
|
|
#:use-module (guix import utils)
|
|
#:use-module (guix import json)
|
|
#:use-module (guix base32)
|
|
#:use-module (guix hash)
|
|
#:use-module (guix packages)
|
|
#:use-module (guix licenses)
|
|
#:use-module (guix build-system python)
|
|
#:use-module (gnu packages python)
|
|
#:export (pypi->guix-package))
|
|
|
|
(define (join lst delimiter)
|
|
"Return a list that contains the elements of LST, each separated by
|
|
DELIMETER."
|
|
(match lst
|
|
(() '())
|
|
((elem)
|
|
(list elem))
|
|
((elem . rest)
|
|
(cons* elem delimiter (join rest delimiter)))))
|
|
|
|
(define string->license
|
|
(match-lambda
|
|
("GNU LGPL" lgpl2.0)
|
|
("GPL" gpl3)
|
|
((or "BSD" "BSD License") bsd-3)
|
|
((or "MIT" "MIT license" "Expat license") expat)
|
|
("Public domain" public-domain)
|
|
("Apache License, Version 2.0" asl2.0)
|
|
(_ #f)))
|
|
|
|
(define (pypi-fetch name)
|
|
"Return an alist representation of the PyPI metadata for the package NAME,
|
|
or #f on failure."
|
|
(json-fetch (string-append "https://pypi.python.org/pypi/" name "/json")))
|
|
|
|
(define (latest-source-release pypi-package)
|
|
"Return the latest source release for PYPI-PACKAGE."
|
|
(let ((releases (assoc-ref* pypi-package "releases"
|
|
(assoc-ref* pypi-package "info" "version"))))
|
|
(or (find (lambda (release)
|
|
(string=? "sdist" (assoc-ref release "packagetype")))
|
|
releases)
|
|
(error "No source release found for pypi package: "
|
|
(assoc-ref* pypi-package "info" "name")
|
|
(assoc-ref* pypi-package "info" "version")))))
|
|
|
|
(define (snake-case str)
|
|
"Return a downcased version of the string STR where underscores are replaced
|
|
with dashes."
|
|
(string-join (string-split (string-downcase str) #\_) "-"))
|
|
|
|
(define (guix-hash-url url)
|
|
"Download the resource at URL and return the hash in nix-base32 format."
|
|
(call-with-temporary-output-file
|
|
(lambda (temp port)
|
|
(and (url-fetch url temp)
|
|
(bytevector->nix-base32-string
|
|
(call-with-input-file temp port-sha256))))))
|
|
|
|
(define (make-pypi-sexp name version source-url home-page synopsis
|
|
description license)
|
|
"Return the `package' s-expression for a python package with the given NAME,
|
|
VERSION, SOURCE-URL, HOME-PAGE, SYNOPSIS, DESCRIPTION, and LICENSE."
|
|
`(package
|
|
(name ,(if (string-prefix? "python-" name)
|
|
(snake-case name)
|
|
(string-append "python-" (snake-case name))))
|
|
(version ,version)
|
|
(source (origin
|
|
(method url-fetch)
|
|
(uri (string-append ,@(factorize-uri source-url version)))
|
|
(sha256
|
|
(base32
|
|
,(guix-hash-url source-url)))))
|
|
(build-system python-build-system)
|
|
(inputs
|
|
`(("python-setuptools" ,python-setuptools)))
|
|
(home-page ,home-page)
|
|
(synopsis ,synopsis)
|
|
(description ,description)
|
|
(license ,(assoc-ref `((,lgpl2.0 . lgpl2.0)
|
|
(,gpl3 . gpl3)
|
|
(,bsd-3 . bsd-3)
|
|
(,expat . expat)
|
|
(,public-domain . public-domain)
|
|
(,asl2.0 . asl2.0))
|
|
license))))
|
|
|
|
(define (pypi->guix-package package-name)
|
|
"Fetch the metadata for PACKAGE-NAME from pypi.python.org, and return the
|
|
`package' s-expression corresponding to that package, or #f on failure."
|
|
(let ((package (pypi-fetch package-name)))
|
|
(and package
|
|
(let ((name (assoc-ref* package "info" "name"))
|
|
(version (assoc-ref* package "info" "version"))
|
|
(release (assoc-ref (latest-source-release package) "url"))
|
|
(synopsis (assoc-ref* package "info" "summary"))
|
|
(description (assoc-ref* package "info" "summary"))
|
|
(home-page (assoc-ref* package "info" "home_page"))
|
|
(license (string->license (assoc-ref* package "info" "license"))))
|
|
(make-pypi-sexp name version release home-page synopsis
|
|
description license)))))
|