Add %python3_platform_triplet and %python3_ext_suffix

Also add %python_platform_triplet and %python_ext_suffix.

https://fedoraproject.org/wiki/Changes/Python_Upstream_Architecture_Names

epel-rpm-macros.spec

@@ -1,6 +1,6 @@
 Name:           epel-rpm-macros
 Version:        8
-Release:        17
+Release:        18
 Summary:        Extra Packages for Enterprise Linux RPM macros
 
 Group:          System Environment/Base
@@ -85,6 +85,10 @@ install -Dpm 755 %{SOURCE24} \
 
 
 %changelog
+* Fri Sep 25 2020 Miro Hrončok <mhroncok@redhat.com> - 8-18
+- Add %%python3_platform_triplet and %%python3_ext_suffix
+- https://fedoraproject.org/wiki/Changes/Python_Upstream_Architecture_Names
+
 * Tue Sep  8 2020 Michel Alexandre Salim <salimma@fedoraproject.org> - 8-17
 - Add a Requires for lua-srpm-macros
 

macros.epel-rpm-macros

@@ -25,6 +25,12 @@
 %py2_shebang_fix %{expand:/usr/bin/pathfix.py -pni "%{__python2} %{py2_shbang_opts}"}
 %py3_shebang_fix %{expand:/usr/bin/pathfix.py -pni "%{__python3} %{py3_shbang_opts}"}
 
+# https://fedoraproject.org/wiki/Changes/Python_Upstream_Architecture_Names
+%python_platform_triplet %(%{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
+%python_ext_suffix %(%{__python} -Esc "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
+%python3_platform_triplet %(%{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('MULTIARCH'))")
+%python3_ext_suffix %(%{__python3} -Ic "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
+
 # Users can use %%python only if they redefined %%__python (e.g. to %%__python3)
 %python() %{lua:\
     __python = rpm.expand("%__python")\