guix_mirror_bot pushed a commit to branch python-team in repository guix. commit af9bbcf82bc45f1b45d6d22cc0cc346d70bdb6b2 Author: Sharlatan Hellseher <sharlata...@gmail.com> AuthorDate: Tue Jul 15 22:12:53 2025 +0100
gnu: python-flit-scm: Improve package. Reduce closure size by removing redundant python-setuptools and python-wheel as it was a workaround import issue which was resolved by using flit_core.buildapi directly. * gnu/packages/python-build.scm (python-flit-scm): Fix indentation. [arguments] <build-backend>: Let it auto detect. <phases>: Add 'fix-backend. [native-inputs]: Remove python-setuptools and python-wheel. Change-Id: Ib3f591365411ba5f8b710a8256a324dfb7d5b565 --- gnu/packages/python-build.scm | 40 ++++++++++++++++++++++++++-------------- 1 file changed, 26 insertions(+), 14 deletions(-) diff --git a/gnu/packages/python-build.scm b/gnu/packages/python-build.scm index 4e6a9ab251..d3eb5840bf 100644 --- a/gnu/packages/python-build.scm +++ b/gnu/packages/python-build.scm @@ -685,21 +685,33 @@ specified by PEP 517, @code{flit_core.buildapi}.") (package (name "python-flit-scm") (version "1.7.0") - (source (origin - (method url-fetch) - (uri (pypi-uri "flit_scm" version)) - (sha256 - (base32 - "1ckbkykfr7f7wzjzgh0gm7h6v3pqzx2l28rw6dsvl6zk4kxxc6wn")))) + (source + (origin + (method url-fetch) + (uri (pypi-uri "flit_scm" version)) + (sha256 + (base32 "1ckbkykfr7f7wzjzgh0gm7h6v3pqzx2l28rw6dsvl6zk4kxxc6wn")))) (build-system pyproject-build-system) - (arguments (list #:tests? #f ;to avoid extra dependencies - ;; flit-scm wants to use flit-core, which it renames to - ;; 'buildapi', but that isn't found even when adding the - ;; current directory to PYTHONPATH. Use setuptools' - ;; builder instead. - #:build-backend "setuptools.build_meta")) - (propagated-inputs (list python-flit-core python-setuptools-scm python-tomli)) - (native-inputs (list python-setuptools python-wheel)) + (arguments + (list + #:tests? #f ;no tests in PyPI archive or Git checkout + #:phases + #~(modify-phases %standard-phases + (add-after 'unpack 'fix-backend + ;; flit_scm imports flit_core's buildapi and tries to make it + ;; available as "flit_scm:buildapi", see comment in + ;; <flit_scm/__init__.py>; but it fails during build phase with + ;; error: ModuleNotFoundError: No module named + ;; 'flit_scm:buildapi'. + ;; + ;; Use flit_core.buildapi directly to build flit_scm. + (lambda _ + (substitute* "pyproject.toml" + (("flit_scm:buildapi") "flit_core.buildapi"))))))) + (propagated-inputs + (list python-flit-core + python-setuptools-scm + python-tomli)) (home-page "https://gitlab.com/WillDaSilva/flit_scm") (synopsis "PEP 518 build backend combining flit_core and setuptools_scm") (description "This package provides a PEP 518 build backend that uses