gnu: Add python-pep621.

* gnu/packages/python-xyz.scm (python-pep621): New variable.
This commit is contained in:
Maxim Cournoyer 2022-04-14 23:25:31 -04:00
parent efb791ba4f
commit 6c7834f46a
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@ -10813,7 +10813,57 @@ (define-public python2-pep517
(arguments
`(#:tests? #f
,@(package-arguments base)))
(native-inputs `()))))
(native-inputs `()))))
(define-public python-pep621
(package
(name "python-pep621")
(version "0.4.0")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/FFY00/python-pep621")
(commit version)))
(file-name (git-file-name name version))
(sha256
(base32
"0nzig7bmzf0xx5svxlf065mrzihr0ci4p1yaxka9flqjba98flpr"))))
(build-system python-build-system)
(arguments
(list
#:phases
#~(modify-phases %standard-phases
;; XXX: PEP 517 manual build/install procedures copied from
;; python-isort.
(replace 'build
(lambda _
;; ZIP does not support timestamps before 1980.
(setenv "SOURCE_DATE_EPOCH" "315532800")
(invoke "python" "-m" "build" "--wheel" "--no-isolation" ".")))
(replace 'check
(lambda* (#:key tests? inputs outputs #:allow-other-keys)
(when tests?
(invoke "pytest" "-vv"
;; Two parameterized test_load tests are currently
;; failing (see:
;; https://github.com/FFY00/python-pep621/issues/14).
"-k" "not test_load"))))
(replace 'install
(lambda* (#:key outputs #:allow-other-keys)
(let ((whl (car (find-files "dist" "\\.whl$"))))
(invoke "pip" "--no-cache-dir" "--no-input"
"install" "--no-deps" "--prefix" #$output whl)))))))
(propagated-inputs (list python-packaging))
(native-inputs (list python-pypa-build python-pytest python-tomli))
(home-page "https://github.com/FFY00/python-pep621")
(synopsis "Dataclass for PEP 621 metadata")
(description "This project does not implement the parsing of
@file{pyproject.toml} containing PEP 621 metadata. Instead, given a Python
data structure representing PEP 621 metadata (already parsed), it will
validate this input and generate a PEP 643-compliant metadata
file (e.g. @file{PKG-INFO}).")
(license license:expat)))
(define-public python-pyflakes
(package