Reimplement pythondeps.sh as parametric macro generators
pythondeps.sh was written in shell and unlike the Python dist generators,
it uses no Python, it plainly determines the provide / requires from the path.
As the script was run for every Python file, we were potentially doing hundreds
of shelling outs to execute a script that calls grep and sed.
In Lua, this is much more efficient.
Some timings:
https://github.com/rpm-software-management/rpm/pull/1153#issuecomment-607146356
Parametric macro generators require RPM 4.16+:
https://fedoraproject.org/wiki/Changes/RPM-4.16
Fixes https://github.com/rpm-software-management/rpm/issues/1152
Upstream PR: https://github.com/rpm-software-management/rpm/pull/1153
Since this is intended for Fedora 33+ only, clean some old cruft.
This commit is contained in:
Miro Hrončok
parent
caccd3e498
commit
ff7b9b1ae0
@ -1,11 +1,7 @@
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# Disable automatic bytecompilation. We install only one script and we will
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# never "import" it.
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%undefine py_auto_byte_compile
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Name: python-rpm-generators
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Summary: Dependency generators for Python RPMs
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Version: 10
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Release: 4%{?dist}
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Version: 11
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Release: 1%{?dist}
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# Originally all those files were part of RPM, so license is kept here
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License: GPLv2+
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@ -14,8 +10,7 @@ Url: https://src.fedoraproject.org/python-rpm-generators
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Source0: https://raw.githubusercontent.com/rpm-software-management/rpm/102eab50b3d0d6546dfe082eac0ade21e6b3dbf1/COPYING
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Source1: python.attr
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Source2: pythondist.attr
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Source3: pythondeps.sh
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Source4: pythondistdeps.py
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Source3: pythondistdeps.py
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BuildArch: noarch
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@ -25,10 +20,8 @@ BuildArch: noarch
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%package -n python3-rpm-generators
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Summary: %{summary}
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Requires: python3-setuptools
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# The point of split
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Conflicts: rpm-build < 4.13.0.1-2
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# Breaking change, change a way how depgen is enabled
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Conflicts: python-rpm-macros < 3-35
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# We have parametric macro generators, we need RPM 4.16 (4.15.90+ is 4.16 alpha)
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Requires: rpm > 4.15.90-0
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%description -n python3-rpm-generators
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%{summary}.
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@ -39,16 +32,19 @@ cp -a %{sources} .
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%install
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install -Dpm0644 -t %{buildroot}%{_fileattrsdir} python.attr pythondist.attr
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install -Dpm0755 -t %{buildroot}%{_rpmconfigdir} pythondeps.sh pythondistdeps.py
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install -Dpm0755 -t %{buildroot}%{_rpmconfigdir} pythondistdeps.py
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%files -n python3-rpm-generators
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%license COPYING
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%{_fileattrsdir}/python.attr
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%{_fileattrsdir}/pythondist.attr
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%{_rpmconfigdir}/pythondeps.sh
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%{_rpmconfigdir}/pythondistdeps.py
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%changelog
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* Wed Apr 01 2020 Miro Hrončok <mhroncok@redhat.com> - 11-1
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- Rewrite python(abi) generators to Lua to make them faster
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- RPM 4.16+ is needed
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* Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 10-4
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
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28
python.attr
28
python.attr
@ -1,4 +1,28 @@
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%__python_provides %{_rpmconfigdir}/pythondeps.sh --provides
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%__python_requires %{_rpmconfigdir}/pythondeps.sh --requires
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%__python_provides() %{lua:
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-- Match buildroot/payload paths of the form
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-- /PATH/OF/BUILDROOT/usr/bin/pythonMAJOR.MINOR
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-- generating a line of the form
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-- python(abi) = MAJOR.MINOR
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-- (Don't match against -config tools e.g. /usr/bin/python2.6-config)
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local path = rpm.expand('%1')
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if path:match('/usr/bin/python%d+%.%d+$') then
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provides = path:gsub('.*/usr/bin/python(%d+%.%d+)', 'python(abi) = %1')
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print(provides)
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end
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}
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%__python_requires() %{lua:
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-- Match buildroot paths of the form
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-- /PATH/OF/BUILDROOT/usr/lib/pythonMAJOR.MINOR/ and
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-- /PATH/OF/BUILDROOT/usr/lib64/pythonMAJOR.MINOR/
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-- generating a line of the form:
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-- python(abi) = MAJOR.MINOR
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local path = rpm.expand('%1')
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if path:match('/usr/lib%d*/python%d+%.%d+/.*') then
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requires = path:gsub('.*/usr/lib%d*/python(%d+%.%d+)/.*', 'python(abi) = %1')
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print(requires)
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end
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}
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%__python_path ^((/usr/lib(64)?/python[[:digit:]]\\.[[:digit:]]+/.*\\.(py[oc]?|so))|(^%{_bindir}/python[[:digit:]]\\.[[:digit:]]+))$
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%__python_magic [Pp]ython.*(executable|byte-compiled)
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@ -1,32 +0,0 @@
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#!/bin/bash
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[ $# -ge 1 ] || {
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cat > /dev/null
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exit 0
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}
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case $1 in
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-P|--provides)
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shift
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# Match buildroot/payload paths of the form
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# /PATH/OF/BUILDROOT/usr/bin/pythonMAJOR.MINOR
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# generating a line of the form
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# python(abi) = MAJOR.MINOR
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# (Don't match against -config tools e.g. /usr/bin/python2.6-config)
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grep "/usr/bin/python.\..$" \
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| sed -e "s|.*/usr/bin/python\(.\..\)|python(abi) = \1|"
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;;
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-R|--requires)
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shift
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# Match buildroot paths of the form
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# /PATH/OF/BUILDROOT/usr/lib/pythonMAJOR.MINOR/ and
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# /PATH/OF/BUILDROOT/usr/lib64/pythonMAJOR.MINOR/
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# generating (uniqely) lines of the form:
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# python(abi) = MAJOR.MINOR
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grep "/usr/lib[^/]*/python.\../.*" \
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| sed -e "s|.*/usr/lib[^/]*/python\(.\..\)/.*|python(abi) = \1|g" \
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| sort | uniq
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;;
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esac
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exit 0
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