Implement %py_provides

macros.python-srpm

@@ -137,3 +137,24 @@
 \
     print(url .. first .. '/' .. src .. '/' .. src .. '-' .. ver .. '.' .. ext)
 }
+
+%py_provides() %{lua:
+    local python = require 'fedora.srpm.python'
+    local name = rpm.expand('%1')
+    if name == '%1' then
+        rpm.expand('%{error:%%py_provides requires at least 1 argument, the name to provide}')
+    end
+    local evr = rpm.expand('%2')
+    if evr == '%2' then
+        evr = rpm.expand('%{?epoch:%{epoch}:}%{version}-%{release}')
+    end
+    print('Provides: ' .. name .. ' = ' .. evr .. '\\n')
+    local provides = python.python_altprovides_once(name, evr)
+    -- provides is either an array/table or nil
+    -- nil means the function was already called with the same arguments
+    if provides then
+      for i, provide in ipairs(provides) do
+          print('Provides: ' .. provide .. '\\n')
+        end
+    end
+}

python-rpm-macros.spec

@@ -1,6 +1,6 @@
 Name:           python-rpm-macros
 Version:        3.8
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        The common Python RPM macros
 
 # macros and lua: MIT, compileall2.py: PSFv2
@@ -107,6 +107,9 @@ install -m 644 compileall2.py %{buildroot}%{_rpmconfigdir}/redhat/
 
 
 %changelog
+* Tue May 05 2020 Miro Hrončok <mhroncok@redhat.com> - 3.8-5
+- Implement %%py_provides
+
 * Mon May 04 2020 Tomas Hrnciar <thrnciar@redhat.com> - 3.8-4
 - Make %%py3_install_wheel macro remove direct_url.json file created by PEP 610.
 - https://discuss.python.org/t/pep-610-usage-guidelines-for-linux-distributions/4012