Setup pylibcudf package

.github/labeler.yml

@@ -12,7 +12,7 @@ cudf.polars:
   - 'python/cudf_polars/**'
 
 pylibcudf:
-  - 'python/cudf/cudf/_lib/pylibcudf/**'
+  - 'python/cudf/pylibcudf/**'
 
 libcudf:
   - 'cpp/**'

.github/workflows/pr.yaml

@@ -23,6 +23,7 @@ jobs:
       - static-configure
       - conda-notebook-tests
       - docs-build
+      - wheel-build-pylibcudf
       - wheel-build-cudf
       - wheel-tests-cudf
       - wheel-build-cudf-polars
@@ -120,10 +121,17 @@ jobs:
       arch: "amd64"
       container_image: "rapidsai/ci-conda:latest"
       run_script: "ci/build_docs.sh"
-  wheel-build-cudf:
+  wheel-build-pylibcudf:
     needs: checks
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.10
+    with:
+      build_type: pull-request
+      script: "ci/build_wheel_pylibcudf.sh"
+  wheel-build-cudf:
+    needs: wheel-build-pylibcudf
+    secrets: inherit
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.10
     with:
       build_type: pull-request
       script: "ci/build_wheel_cudf.sh"
@@ -135,7 +143,7 @@ jobs:
       build_type: pull-request
       script: ci/test_wheel_cudf.sh
   wheel-build-cudf-polars:
-    needs: wheel-build-cudf
+    needs: wheel-build-pylibcudf
     secrets: inherit
     uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-24.10
     with:

build.sh

@@ -17,11 +17,12 @@ ARGS=$*
 # script, and that this script resides in the repo dir!
 REPODIR=$(cd $(dirname $0); pwd)
 
-VALIDARGS="clean libcudf cudf cudfjar dask_cudf benchmarks tests libcudf_kafka cudf_kafka custreamz -v -g -n --pydevelop -l --allgpuarch --disable_nvtx --opensource_nvcomp  --show_depr_warn --ptds -h --build_metrics --incl_cache_stats --disable_large_strings"
-HELP="$0 [clean] [libcudf] [cudf] [cudfjar] [dask_cudf] [benchmarks] [tests] [libcudf_kafka] [cudf_kafka] [custreamz] [-v] [-g] [-n] [-h] [--cmake-args=\\\"<args>\\\"]
+VALIDARGS="clean libcudf pylibcudf cudf cudfjar dask_cudf benchmarks tests libcudf_kafka cudf_kafka custreamz -v -g -n --pydevelop -l --allgpuarch --disable_nvtx --opensource_nvcomp  --show_depr_warn --ptds -h --build_metrics --incl_cache_stats --disable_large_strings"
+HELP="$0 [clean] [libcudf] [pylibcudf] [cudf] [cudfjar] [dask_cudf] [benchmarks] [tests] [libcudf_kafka] [cudf_kafka] [custreamz] [-v] [-g] [-n] [-h] [--cmake-args=\\\"<args>\\\"]
    clean                         - remove all existing build artifacts and configuration (start
                                    over)
    libcudf                       - build the cudf C++ code only
+   pylibcudf                     - build the pylibcudf Python package
    cudf                          - build the cudf Python package
    cudfjar                       - build cudf JAR with static libcudf using devtoolset toolchain
    dask_cudf                     - build the dask_cudf Python package
@@ -268,7 +269,7 @@ fi
 ################################################################################
 # Configure, build, and install libcudf
 
-if buildAll || hasArg libcudf || hasArg cudf || hasArg cudfjar; then
+if buildAll || hasArg libcudf || hasArg pylibcudf || hasArg cudf || hasArg cudfjar; then
     if (( ${BUILD_ALL_GPU_ARCH} == 0 )); then
         CUDF_CMAKE_CUDA_ARCHITECTURES="${CUDF_CMAKE_CUDA_ARCHITECTURES:-NATIVE}"
         if [[ "$CUDF_CMAKE_CUDA_ARCHITECTURES" == "NATIVE" ]]; then
@@ -340,6 +341,14 @@ if buildAll || hasArg libcudf; then
     fi
 fi
 
+# Build and install the pylibcudf Python package
+if buildAll || hasArg pylibcudf; then
+
+    cd ${REPODIR}/python/pylibcudf
+    SKBUILD_CMAKE_ARGS="-DCMAKE_PREFIX_PATH=${INSTALL_PREFIX};-DCMAKE_LIBRARY_PATH=${LIBCUDF_BUILD_DIR};-DCMAKE_CUDA_ARCHITECTURES=${CUDF_CMAKE_CUDA_ARCHITECTURES};${EXTRA_CMAKE_ARGS}" \
+        python ${PYTHON_ARGS_FOR_INSTALL} .
+fi
+
 # Build and install the cudf Python package
 if buildAll || hasArg cudf; then
 

ci/build_docs.sh

@@ -29,7 +29,7 @@ PYTHON_CHANNEL=$(rapids-download-conda-from-s3 python)
 rapids-mamba-retry install \
   --channel "${CPP_CHANNEL}" \
   --channel "${PYTHON_CHANNEL}" \
-  libcudf cudf dask-cudf
+  libcudf pylibcudf cudf dask-cudf
 
 export RAPIDS_DOCS_DIR="$(mktemp -d)"
 

ci/build_python.sh

@@ -22,9 +22,16 @@ CPP_CHANNEL=$(rapids-download-conda-from-s3 cpp)
 # TODO: Remove `--no-test` flag once importing on a CPU
 # node works correctly
 # With boa installed conda build forwards to the boa builder
+
+RAPIDS_PACKAGE_VERSION=$(head -1 ./VERSION) rapids-conda-retry mambabuild \
+  --no-test \
+  --channel "${CPP_CHANNEL}" \
+  conda/recipes/pylibcudf
+
 RAPIDS_PACKAGE_VERSION=$(head -1 ./VERSION) rapids-conda-retry mambabuild \
   --no-test \
   --channel "${CPP_CHANNEL}" \
+  --channel "${RAPIDS_CONDA_BLD_OUTPUT_DIR}" \
   conda/recipes/cudf
 
 RAPIDS_PACKAGE_VERSION=$(head -1 ./VERSION) rapids-conda-retry mambabuild \

ci/build_wheel_cudf.sh

@@ -7,10 +7,14 @@ package_dir="python/cudf"
 
 export SKBUILD_CMAKE_ARGS="-DUSE_LIBARROW_FROM_PYARROW=ON"
 
+# Download the pylibcudf built in the previous step
+RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 /tmp/pylibcudf_dist
+
+echo "pylibcudf-${RAPIDS_PY_CUDA_SUFFIX} @ file://$(echo /tmp/pylibcudf_dist/pylibcudf_*.whl)" > /tmp/constraints.txt
+export PIP_CONSTRAINT="/tmp/constraints.txt"
 ./ci/build_wheel.sh ${package_dir}
 
 python -m auditwheel repair -w ${package_dir}/final_dist ${package_dir}/dist/*
 
-
-RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-upload-wheels-to-s3 ${package_dir}/final_dist

ci/build_wheel_pylibcudf.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# Copyright (c) 2023-2024, NVIDIA CORPORATION.
+
+set -euo pipefail
+
+package_dir="python/pylibcudf"
+
+export SKBUILD_CMAKE_ARGS="-DUSE_LIBARROW_FROM_PYARROW=ON"
+
+./ci/build_wheel.sh ${package_dir}
+
+python -m auditwheel repair -w ${package_dir}/final_dist ${package_dir}/dist/*
+
+
+RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-upload-wheels-to-s3 ${package_dir}/final_dist

ci/cudf_pandas_scripts/pandas-tests/run.sh

@@ -11,7 +11,9 @@ rapids-logger "Running Pandas tests using $PANDAS_TESTS_BRANCH branch and rapids
 rapids-logger "PR number: ${RAPIDS_REF_NAME:-"unknown"}"
 
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-pylibcudf-dep
 RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-cudf-dep
+python -m pip install $(ls ./local-pylibcudf-dep/pylibcudf*.whl)
 python -m pip install $(ls ./local-cudf-dep/cudf*.whl)[test,pandas-tests]
 
 RESULTS_DIR=${RAPIDS_TESTS_DIR:-"$(mktemp -d)"}

ci/cudf_pandas_scripts/run_tests.sh

@@ -36,7 +36,9 @@ if [ "$no_cudf" = true ]; then
     echo "Skipping cudf install"
 else
     RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
+    RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-pylibcudf-dep
     RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-cudf-dep
+    python -m pip install $(ls ./local-pylibcudf-dep/pylibcudf*.whl)
     python -m pip install $(ls ./local-cudf-dep/cudf*.whl)[test,cudf-pandas-tests]
 fi
 

ci/test_python_cudf.sh

@@ -15,7 +15,7 @@ trap "EXITCODE=1" ERR
 set +e
 
 rapids-logger "pytest pylibcudf"
-pushd python/cudf/cudf/pylibcudf_tests
+pushd python/pylibcudf/pylibcudf/tests
 python -m pytest \
   --cache-clear \
   --dist=worksteal \

ci/test_wheel_cudf.sh

@@ -3,19 +3,21 @@
 
 set -eou pipefail
 
+# Download the pylibcudf built in the previous step
 RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
-RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./dist
+rapids-download-wheels-from-s3 ./local-pylibcudf-dep "pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}"
+rapids-download-wheels-from-s3 ./dist "cudf_${RAPIDS_PY_CUDA_SUFFIX}"
 
-# echo to expand wildcard before adding `[extra]` requires for pip
-python -m pip install $(echo ./dist/cudf*.whl)[test]
+# Install both pylibcudf and cudf
+python -m pip install ./local-pylibcudf-dep/pylibcudf*.whl $(echo ./dist/cudf*.whl)[test]
 
 RESULTS_DIR=${RAPIDS_TESTS_DIR:-"$(mktemp -d)"}
 RAPIDS_TESTS_DIR=${RAPIDS_TESTS_DIR:-"${RESULTS_DIR}/test-results"}/
 mkdir -p "${RAPIDS_TESTS_DIR}"
 
 
 rapids-logger "pytest pylibcudf"
-pushd python/cudf/cudf/pylibcudf_tests
+pushd python/pylibcudf/pylibcudf/tests
 python -m pytest \
   --cache-clear \
   --dist=worksteal \

ci/test_wheel_cudf_polars.sh

@@ -10,7 +10,7 @@ set -eou pipefail
 # files in cudf_polars/pylibcudf", rather than "are there changes
 # between upstream and this branch which touch cudf_polars/pylibcudf"
 # TODO: is the target branch exposed anywhere in an environment variable?
-if [ -n "$(git diff --name-only origin/branch-24.10...HEAD -- python/cudf_polars/ python/cudf/cudf/_lib/pylibcudf/)" ];
+if [ -n "$(git diff --name-only origin/branch-24.10...HEAD -- python/cudf_polars/ python/pylibcudf/)" ];
 then
     HAS_CHANGES=1
 else
@@ -21,8 +21,8 @@ RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 RAPIDS_PY_WHEEL_NAME="cudf_polars_${RAPIDS_PY_CUDA_SUFFIX}" RAPIDS_PY_WHEEL_PURE="1" rapids-download-wheels-from-s3 ./dist
 
 # Download the cudf built in the previous step
-RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-cudf-dep
-python -m pip install ./local-cudf-dep/cudf*.whl
+RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-pylibcudf-dep
+python -m pip install ./local-pylibcudf-dep/pylibcudf*.whl
 
 rapids-logger "Install cudf_polars"
 python -m pip install $(echo ./dist/cudf_polars*.whl)[test]

ci/test_wheel_dask_cudf.sh

@@ -7,7 +7,9 @@ RAPIDS_PY_CUDA_SUFFIX="$(rapids-wheel-ctk-name-gen ${RAPIDS_CUDA_VERSION})"
 RAPIDS_PY_WHEEL_NAME="dask_cudf_${RAPIDS_PY_CUDA_SUFFIX}" RAPIDS_PY_WHEEL_PURE="1" rapids-download-wheels-from-s3 ./dist
 
 # Download the cudf built in the previous step
+RAPIDS_PY_WHEEL_NAME="pylibcudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-pylibcudf-dep
 RAPIDS_PY_WHEEL_NAME="cudf_${RAPIDS_PY_CUDA_SUFFIX}" rapids-download-wheels-from-s3 ./local-cudf-dep
+python -m pip install ./local-pylibcudf-dep/pylibcudf*.whl
 python -m pip install ./local-cudf-dep/cudf*.whl
 
 # echo to expand wildcard before adding `[extra]` requires for pip

conda/environments/all_cuda-118_arch-x86_64.yaml

@@ -65,6 +65,7 @@ dependencies:
 - pandas>=2.0,<2.2.3dev0
 - pandoc
 - pip
+- polars>=1.0,<1.3
 - pre-commit
 - ptxcompiler
 - pyarrow==16.1.0.*

conda/environments/all_cuda-125_arch-x86_64.yaml

@@ -63,6 +63,7 @@ dependencies:
 - pandas>=2.0,<2.2.3dev0
 - pandoc
 - pip
+- polars>=1.0,<1.3
 - pre-commit
 - pyarrow==16.1.0.*
 - pydata-sphinx-theme!=0.14.2

conda/recipes/cudf/meta.yaml

@@ -68,6 +68,7 @@ requirements:
     - numpy 1.23
     - pyarrow ==16.1.0.*
     - libcudf ={{ version }}
+    - pylibcudf ={{ version }}
     - rmm ={{ minor_version }}
     {% if cuda_major == "11" %}
     - cudatoolkit
@@ -87,6 +88,7 @@ requirements:
     - numpy >=1.23,<2.0a0
     - {{ pin_compatible('pyarrow', max_pin='x.x') }}
     - libcudf ={{ version }}
+    - pylibcudf ={{ version }}
     - {{ pin_compatible('rmm', max_pin='x.x') }}
     - fsspec >=0.6.0
     {% if cuda_major == "11" %}

conda/recipes/cudf_kafka/meta.yaml

@@ -58,7 +58,7 @@ requirements:
     - python
     - cython >=3.0.3
     - cuda-version ={{ cuda_version }}
-    - cudf ={{ version }}
+    - pylibcudf ={{ version }}
     - libcudf_kafka ={{ version }}
     - rapids-build-backend >=0.3.0,<0.4.0.dev0
     - scikit-build-core >=0.10.0
@@ -69,7 +69,7 @@ requirements:
     - python
     - {{ pin_compatible('cuda-version', max_pin='x', min_pin='x') }}
     - libcudf_kafka ={{ version }}
-    - cudf ={{ version }}
+    - pylibcudf ={{ version }}
     {% if cuda_major != "11" %}
     - cuda-cudart
     {% endif %}

conda/recipes/pylibcudf/build.sh

@@ -0,0 +1,4 @@
+# Copyright (c) 2018-2024, NVIDIA CORPORATION.
+
+# This assumes the script is executed from the root of the repo directory
+./build.sh pylibcudf

conda/recipes/pylibcudf/conda_build_config.yaml

@@ -0,0 +1,20 @@
+c_compiler_version:
+  - 11
+
+cxx_compiler_version:
+  - 11
+
+c_stdlib:
+  - sysroot
+
+c_stdlib_version:
+  - "2.17"
+
+cmake_version:
+  - ">=3.26.4,!=3.30.0"
+
+cuda_compiler:
+  - cuda-nvcc
+
+cuda11_compiler:
+  - nvcc