Modernize packaging

- use pyproject-rpm-macros
 - don't macronize the setuptools_scm name
 - use globs in .gitignore

.gitignore

@@ -1,18 +1,2 @@
-/setuptools_scm-1.8.0.tar.bz2
+/setuptools_scm-*.tar.gz
-/setuptools_scm-1.9.0.tar.gz
+/setuptools_scm-*/
-/setuptools_scm-1.10.1.tar.bz2
-/setuptools_scm-1.13.0.tar.gz
-/setuptools_scm-1.15.0.tar.gz
-/setuptools_scm-1.15.5.tar.gz
-/setuptools_scm-1.15.6.tar.gz
-/setuptools_scm-1.15.7.tar.gz
-/setuptools_scm-2.1.0.tar.gz
-/setuptools_scm-3.0.4.tar.gz
-/setuptools_scm-3.1.0.tar.gz
-/setuptools_scm-3.2.0.tar.gz
-/setuptools_scm-3.3.0.tar.gz
-/setuptools_scm-3.3.1.tar.gz
-/setuptools_scm-3.3.3.tar.gz
-/setuptools_scm-3.5.0.tar.gz
-/setuptools_scm-4.1.2.tar.gz
-/setuptools_scm-5.0.1.tar.gz

python-setuptools_scm.spec

@@ -1,62 +1,70 @@
 %bcond_without tests
 
-%global srcname setuptools_scm
+Name:           python-setuptools_scm
-
-Name:           python-%{srcname}
 Version:        5.0.1
 Release:        1%{?dist}
 Summary:        Blessed package to manage your versions by SCM tags
 
 License:        MIT
 URL:            https://pypi.python.org/pypi/setuptools_scm
-Source0:        %pypi_source
+Source0:        %{pypi_source setuptools_scm}
 
 BuildArch:      noarch
 
+BuildRequires:  python%{python3_pkgversion}-devel
+BuildRequires:  pyproject-rpm-macros
 %if %{with tests}
 BuildRequires:  git-core
 BuildRequires:  mercurial
 %endif
 
 %description
-Setuptools_scm handles managing your python package versions in SCM metadata.
+Setuptools_scm handles managing your Python package versions in SCM metadata.
 It also handles file finders for the supported SCMs.
 
-%package -n python%{python3_pkgversion}-%{srcname}
+
+%package -n python%{python3_pkgversion}-setuptools_scm
 Summary:        %{summary}
-BuildRequires:  python%{python3_pkgversion}-devel
-BuildRequires:  python%{python3_pkgversion}-setuptools
-%if %{with tests}
-BuildRequires:  python%{python3_pkgversion}-pip
-BuildRequires:  python%{python3_pkgversion}-pytest
-BuildRequires:  python%{python3_pkgversion}-toml
-%endif
 
-%description -n python%{python3_pkgversion}-%{srcname}
+%description -n python%{python3_pkgversion}-setuptools_scm
-Setuptools_scm handles managing your python package versions in SCM metadata.
+Setuptools_scm handles managing your Python package versions in SCM metadata.
 It also handles file finders for the supported SCMs.
 
-%{?python_extras_subpkg:%{python_extras_subpkg -n python3-setuptools_scm -i %{python3_sitelib}/%{srcname}-*.egg-info toml}}
+
+%pyproject_extras_subpkg -n python%{python3_pkgversion}-setuptools_scm toml
+
 
 %prep
-%autosetup -n %{srcname}-%{version}
+%autosetup -p1 -n setuptools_scm-%{version}
+# In case of a bootstrap loop between toml and setuptools_scm, do:
+#   rm pyproject.toml
+# That way, toml is not fetched to parse the file.
+# That only works assuming the backend in the file remains the default backend.
+
+
+%generate_buildrequires
+%pyproject_buildrequires %{?with_tests:-e %{toxenv}-test}
+
 
 %build
-%py3_build
+%pyproject_wheel
+
 
 %install
-%py3_install
+%pyproject_install
+%pyproject_save_files setuptools_scm
+
 
 %if %{with tests}
 %check
-PYTHONPATH=%{buildroot}%{python3_sitelib} pytest-3 -v -k 'not test_pip_download'
+%tox -- -- -v -k 'not test_pip_download'
 %endif
 
-%files -n python%{python3_pkgversion}-%{srcname}
+
+%files -n python%{python3_pkgversion}-setuptools_scm -f %{pyproject_files}
 %license LICENSE
 %doc README.rst
-%{python3_sitelib}/%{srcname}/
+
-%{python3_sitelib}/%{srcname}-*.egg-info/
 
 %changelog
 * Fri Jan 29 2021 Miro Hrončok <mhroncok@redhat.com> - 5.0.1-1