Introduce %py3_check_import

With $PATH and $PYTHONPATH set to the %buildroot,
the macro tries to import the given Python 3 module(s).
Useful as a smoke test in %check when ruining tests is not feasible.
Accepts spaces or commas as separators.

Backport of https://src.fedoraproject.org/rpms/python-rpm-macros/c/c2305ea3

epel-rpm-macros.spec

@@ -1,6 +1,6 @@
 Name:           epel-rpm-macros
 Version:        8
-Release:        21
+Release:        22
 Summary:        Extra Packages for Enterprise Linux RPM macros
 
 Group:          System Environment/Base
@@ -65,6 +65,9 @@ install -Dpm 644 %{SOURCE3} \
 
 
 %changelog
+* Wed Jul 14 2021 Miro Hrončok <mhroncok@redhat.com> - 8-22
+- Introduce %%py3_check_import
+
 * Wed May 19 2021 Neal Gompa <ngompa13@gmail.com> - 8-21
 - Drop custom CMake macros, RHEL 8.4 includes them now (cf. rhbz#1858983)
 

macros.epel-rpm-macros

@@ -82,6 +82,35 @@
     end
 }
 
+# With $PATH and $PYTHONPATH set to the %%buildroot,
+# try to import the given Python module(s).
+# Useful as a smoke test in %%check when running tests is not feasible.
+# Use spaces or commas as separators.
+%py_check_import() %{expand:\\\
+  (cd %{_topdir} &&\\\
+  PATH="%{buildroot}%{_bindir}:$PATH"\\\
+  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python_sitearch}:%{buildroot}%{python_sitelib}}"\\\
+  PYTHONDONTWRITEBYTECODE=1\\\
+  %{__python} -c "import %{lua:local m=rpm.expand('%{?*}'):gsub('[%s,]+', ', ');print(m)}"
+  )
+}
+%py2_check_import() %{expand:\\\
+  (cd %{_topdir} &&\\\
+  PATH="%{buildroot}%{_bindir}:$PATH"\\\
+  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python2_sitearch}:%{buildroot}%{python2_sitelib}}"\\\
+  PYTHONDONTWRITEBYTECODE=1\\\
+  %{__python2} -c "import %{lua:local m=rpm.expand('%{?*}'):gsub('[%s,]+', ', ');print(m)}"
+  )
+}
+%py3_check_import() %{expand:\\\
+  (cd %{_topdir} &&\\\
+  PATH="%{buildroot}%{_bindir}:$PATH"\\\
+  PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_sitelib}}"\\\
+  PYTHONDONTWRITEBYTECODE=1\\\
+  %{__python3} -c "import %{lua:local m=rpm.expand('%{?*}'):gsub('[%s,]+', ', ');print(m)}"
+  )
+}
+
 %python_disable_dependency_generator() \
 %undefine __pythondist_requires \
 %{nil}