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build-system/pyproject: Avoid PEP427 substitution on binary files.

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In some rare cases, the dest-path can be an elf-file, which are
unreadable by substitute*, leading to an error instead of just
continuing which makes more sense in this case.

* guix/build-system/pyproject.scm (check): Guard substitution attempt
with basic readability guarantees.

Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>
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Nicolas Graves 2025-06-19 09:58:51 +02:00 • committed by Sharlatan Hellseher
parent 9abb1ffe7d
commit 75614b830b
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guix/build/pyproject-build-system.scm
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@ -218,10 +218,11 @@ builder.build_wheel(sys.argv[3], config_settings=config_settings)"
(lambda (file) (lambda (file)
(chmod file #o755) (chmod file #o755)
;; PEP 427 recommends that installers rewrite ;; PEP 427 recommends that installers rewrite
;; this odd shebang. ;; this odd shebang, but avoid the binary case.
(substitute* file (unless (elf-file? file)
(("#!python") (substitute* file
(string-append "#!" python "/bin/python")))) (("#!python")
(string-append "#!" python "/bin/python")))))
(find-files destination)))) (find-files destination))))
;; Data can be contained in arbitrary directory structures. Most ;; Data can be contained in arbitrary directory structures. Most
;; commonly it is used for share/. ;; commonly it is used for share/.