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Merged
bjia56 merged 5 commits into from
Jul 31, 2026
Merged

Single-file, standalone cosmopolitan builds #173

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5caaeb0
cosmo: bundle a standalone python.standalone.com alongside python.com
bjia56 Jul 28, 2026
0e4f311
cosmo: verify python.standalone.com in CI
bjia56 Jul 28, 2026
1e2f016
Merge branch 'main' into cosmo-standalone
bjia56 Jul 30, 2026
ade5ed2
remove cosmo archives from bundle
bjia56 Jul 30, 2026
eb7b890
keep cosmo archives in overall bundle, exclude from standalone
bjia56 Jul 30, 2026
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10 changes: 10 additions & 0 deletions scripts/build_cosmo.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -332,6 +332,16 @@ function build_python () {
cd ${BUILDDIR}

${WORKDIR}/pyclean -v ${python_install_dir}

cd ${python_install_dir}

# bundle lib/ and licenses/ into a copy of python.com's own zip store
# so it runs standalone with no sibling files
# archives excluded - they can't be used to build native extensions anyways
cp ./bin/python.com ./bin/python.standalone.com
zip -qr9 ./bin/python.standalone.com lib licenses -x "lib/.aarch64/*" "lib/libpython*.a"
cd ${BUILDDIR}

mv ${python_install_dir} python-${python_distro_ver}-${PLATFORM}-${ARCH}
tar -czf ${WORKDIR}/python-${python_distro_ver}-${PLATFORM}-${ARCH}.tar.gz python-${python_distro_ver}-${PLATFORM}-${ARCH}
zip ${WORKDIR}/python-${python_distro_ver}-${PLATFORM}-${ARCH}.zip $(tar tf ${WORKDIR}/python-${python_distro_ver}-${PLATFORM}-${ARCH}.tar.gz)
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24 changes: 24 additions & 0 deletions scripts/launch_test.sh
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Expand Up @@ -177,6 +177,7 @@ function run_test () {
unzip ${FULL_DISTRO}.zip
cd ${FULL_DISTRO}
chmod +x ./bin/python.com
chmod +x ./bin/python.standalone.com
fi
PYTHON_EXE=python.com
;;
Expand All @@ -193,6 +194,29 @@ function run_test () {
fi

echo "::endgroup::"

if [[ "${OS}" == "cosmo" ]]; then
echo "::group::Standalone Python ${python_distro_ver}"

# move the single-file build out of the extracted distribution so it
# has no sibling files, proving it's actually standalone
STANDALONE_DIR=$(mktemp -d)
cp ${WORKDIR}/${FULL_DISTRO}/bin/python.standalone.com ${STANDALONE_DIR}/
cd ${STANDALONE_DIR}
chmod +x ./python.standalone.com

./python.standalone.com --version
./python.standalone.com -m sysconfig
./python.standalone.com ${WORKDIR}/scripts/test.py
./python.standalone.com -m pip

if [[ "${RUN_TESTS}" == "true" ]]; then
./python.standalone.com -m test -v -ulargefile,network,decimal,cpu,subprocess,urlfetch,tzdata --timeout 60
fi

cd ${WORKDIR}
echo "::endgroup::"
fi
}

run_test
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