Use the provisional pyproject declarative buildsystem

- Drop EPEL10 conditionals

python-cramjam.rpmlintrc

@@ -1,2 +1,6 @@
 # “de/compression”
 addFilter(r"spelling-error.*'de'")
+# At least some of these sections are implicit due to declarative buildsystem
+addFilter(r" no-%(prep|build|install)-section")
+# Implicit due to use of declarative build system
+addFilter(r" patch-not-applied ")

python-cramjam.spec

@@ -33,11 +33,13 @@ Source1:        get_source
 
 %endif
 
+BuildSystem:            pyproject
+BuildOption(install):   -l cramjam
+
 # Update PyO3 to 0.24
 # https://github.com/milesgranger/cramjam/pull/207
 Patch:          %{url}/pull/207/commits/217c375c2a2f96e28a1b3987f0eb5c730b4b361e.patch
 
-BuildRequires:  python3-devel
 BuildRequires:  tomcli >= 0.8.0
 BuildRequires:  cargo-rpm-macros >= 24
 
@@ -78,9 +80,7 @@ License:        %{shrink:
 %description -n python3-cramjam %{common_description}
 
 
-%prep
-%autosetup -n cramjam-%{srcversion}
-
+%prep -a
 # Downstream-only: patch out the generate-import-lib feature, which is only
 # relevant on Windows, and which depends on the corresponding pyo3 feature –
 # which is not packaged for that reason.
@@ -125,26 +125,17 @@ done
 %cargo_prep
 
 
-%generate_buildrequires
-%pyproject_buildrequires
+%generate_buildrequires -a
 %cargo_generate_buildrequires
 
 
-%build
+%build -p
 %cargo_license_summary
 %{cargo_license} > LICENSES.dependencies
-%pyproject_wheel
 
 
-%install
-%pyproject_install
-%pyproject_save_files -l cramjam
-
-
-%check
-%pyproject_check_import
+%check -a
 %if %{with tests}
-%if %{undefined el10}
 # Test failures in test_variants_decompress_into with recent hypothesis
 # versions: https://github.com/milesgranger/cramjam/issues/201
 #
@@ -154,7 +145,6 @@ done
 # not reason to believe that the package has *new* problems. It *might* have
 # newly *revealed* problems. This merits further investigation.
 k="${k-}${k+ and }not test_variants_decompress_into"
-%endif
 
 %pytest -k "${k-}" --ignore=benchmarks/test_bench.py -v -n auto
 %endif