Add %python3_platform_triplet and %python3_ext_suffix

Also add %python_platform_triplet, %python_ext_suffix and %python_platform.

The CI tests are limited to x86_64 for now.

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

macros.python

@@ -4,6 +4,9 @@
 %python_sitearch %(%{__python} -Esc "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")
 %python_version %(%{__python} -Esc "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
 %python_version_nodots %(%{__python} -Esc "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
+%python_platform %(%{__python} -Esc "import sysconfig; print(sysconfig.get_platform())")
+%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'))")
 
 %py_setup setup.py
 %py_shbang_opts -s

macros.python3

@@ -3,6 +3,8 @@
 %python3_version %(%{__python3} -Ic "import sys; sys.stdout.write('{0.major}.{0.minor}'.format(sys.version_info))")
 %python3_version_nodots %(%{__python3} -Ic "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
 %python3_platform %(%{__python3} -Ic "import sysconfig; print(sysconfig.get_platform())")
+%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'))")
 %py3dir %{_builddir}/python3-%{name}-%{version}-%{release}
 
 %py3_shbang_opts -s

python-rpm-macros.spec

@@ -1,6 +1,6 @@
 Name:           python-rpm-macros
 Version:        3
-Release:        57%{?dist}
+Release:        59%{?dist}
 Summary:        The unversioned Python RPM macros
 
 # macros: MIT, compileall2.py: PSFv2
@@ -80,6 +80,10 @@ install -m 644 %{SOURCE5} \
 
 
 %changelog
+* Thu Sep 24 2020 Miro Hrončok <mhroncok@redhat.com> - 3-59
+- Add %%python3_platform_triplet and %%python3_ext_suffix
+- https://fedoraproject.org/wiki/Changes/Python_Upstream_Architecture_Names
+
 * Mon Jun 15 2020 Miro Hrončok <mhroncok@redhat.com> - 3-57
 - Allow to combine %%pycached with other macros (e.g. %%exclude or %%ghost) (#1838992)
 

tests/test_evals.py

@@ -1,7 +1,10 @@
 import os
 import subprocess
+import platform
 import sys
 
+import pytest
+
 X_Y = f'{sys.version_info[0]}.{sys.version_info[1]}'
 XY = f'{sys.version_info[0]}{sys.version_info[1]}'
 
@@ -221,3 +224,17 @@ def test_pycached_with_exclude():
 def test_pycached_fails_with_extension_glob():
     lines = rpm_eval('%pycached %{python3_sitelib}/foo.py*', fails=True)
     assert lines[0] == 'error: %pycached can only be used with paths explicitly ending with .py'
+
+
+# we could rework the test for multiple architectures, but the Fedora CI currently only runs on x86_64
+x86_64_only = pytest.mark.skipif(platform.machine() != "x86_64", reason="works on x86_64 only")
+
+
+@x86_64_only
+def test_platform_triplet():
+    assert rpm_eval("%python3_platform_triplet")[0] == "x86_64-linux-gnu"
+
+
+@x86_64_only
+def test_ext_suffix():
+    assert rpm_eval("%python3_ext_suffix")[0] == f".cpython-{XY}m-x86_64-linux-gnu.so"