import: pypi: Display a hint upon "no source release" errors.

Fixes <https://issues.guix.gnu.org/49083>.

* guix/import/pypi.scm (pypi->guix-package): Upon
'missing-source-error?', raise a compound condition with a hint.
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Ludovic Courtès 2022-02-02 15:55:21 +01:00
parent 31ca569ca5
commit 00762a4c4c
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@ -1,7 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 David Thompson <davet@gnu.org>
;;; Copyright © 2015 Cyril Roelandt <tipecaml@gmail.com>
;;; Copyright © 2015, 2016, 2017, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015-2017, 2019-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
@ -499,8 +499,20 @@ (define pypi->guix-package
(and project
(guard (c ((missing-source-error? c)
(let ((package (missing-source-error-package c)))
(leave (G_ "no source release for pypi package ~a ~a~%")
(project-info-name info) version))))
(raise
(make-compound-condition
(formatted-message
(G_ "no source release for pypi package ~a ~a~%")
(project-info-name info) version)
(condition
(&fix-hint
(hint (format #f (G_ "This indicates that the
package is available on PyPI, but only as a \"wheel\" containing binaries, not
source. To build it from source, refer to the upstream repository at
@uref{~a}.")
(or (project-info-home-page info)
(project-info-url info)
"?"))))))))))
(make-pypi-sexp (project-info-name info) version
(and=> (source-release project version)
distribution-url)