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build/python: Check for cythonized files. 

* guix/build/python-build-system.scm (ensure-no-cythonized-files): New procedure.
(%standard-phases): Add it.
master
Efraim Flashner 2020-11-12 12:13:00 +02:00
parent 955e523bdc
commit 7016f8db7c
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guix/build/python-build-system.scm
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@ -8,6 +8,7 @@
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2019, 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
@ -265,6 +266,18 @@ installed with setuptools."
(setenv "PYTHONDONTWRITEBYTECODE" "1")
#t)
(define* (ensure-no-cythonized-files #:rest _)
"Check the source code for @code{.c} files which may have been pre-generated
by Cython."
(for-each
(lambda (file)
(let ((generated-file
(string-append (string-drop-right file 3) "c")))
(when (file-exists? generated-file)
(warning (G_ "Possible Cythonized file found: ~a~%") generated-file))))
(find-files "." "\\.pyx$"))
#t)
(define %standard-phases
;; The build phase only builds C extensions and copies the Python sources,
;; while the install phase copies then byte-compiles the sources to the
@ -274,6 +287,8 @@ installed with setuptools."
(add-after 'unpack 'ensure-no-mtimes-pre-1980 ensure-no-mtimes-pre-1980)
(add-after 'ensure-no-mtimes-pre-1980 'enable-bytecode-determinism
enable-bytecode-determinism)
(add-after 'enable-bytecode-determinism 'ensure-no-cythonized-files
ensure-no-cythonized-files)
(delete 'bootstrap)
(delete 'configure) ;not needed
(replace 'build build)