Revert "Revert "Add datafusion-python (#69)" (#257)"

.github/workflows/python_build.yml

@@ -0,0 +1,89 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Build
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build-python-mac-win:
+    name: Mac/Win
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+        os: [macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly-2021-01-06
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install maturin
+
+      - name: Build Python package
+        run: cd python && maturin build --release --no-sdist --strip --interpreter python${{matrix.python_version}}
+
+      - name: List wheels
+        if: matrix.os == 'windows-latest'
+        run: dir python/target\wheels\
+
+      - name: List wheels
+        if:  matrix.os != 'windows-latest'
+        run: find ./python/target/wheels/
+
+      - name: Archive wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: dist
+          path: python/target/wheels/*
+
+  build-manylinux:
+    name: Manylinux
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build wheels
+        run: docker run --rm -v $(pwd):/io konstin2/maturin build --release --manylinux
+      - name: Archive wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: dist
+          path: python/target/wheels/*
+
+  release:
+    name: Publish in PyPI
+    needs: [build-manylinux, build-python-mac-win]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v2
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.pypi_password }}

.github/workflows/python_test.yaml

@@ -0,0 +1,58 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Python test
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup Rust toolchain
+      run: |
+        rustup toolchain install nightly-2021-01-06
+        rustup default nightly-2021-01-06
+        rustup component add rustfmt
+    - name: Cache Cargo
+      uses: actions/cache@v2
+      with:
+        path: /home/runner/.cargo
+        key: cargo-maturin-cache-
+    - name: Cache Rust dependencies
+      uses: actions/cache@v2
+      with:
+        path: /home/runner/target
+        key: target-maturin-cache-
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.7'
+    - name: Install Python dependencies
+      run: python -m pip install --upgrade pip setuptools wheel
+    - name: Run tests
+      run: |
+        cd python/
+        export CARGO_HOME="/home/runner/.cargo"
+        export CARGO_TARGET_DIR="/home/runner/target"
+
+        python -m venv venv
+        source venv/bin/activate
+
+        pip install maturin==0.10.4 toml==0.10.1 pyarrow==4.0.0
+        maturin develop
+
+        python -m unittest discover tests

Cargo.toml

@@ -25,4 +25,6 @@ members = [
     "ballista/rust/core",
     "ballista/rust/executor",
     "ballista/rust/scheduler",
-]
+]
+
+exclude = ["python"]

dev/release/rat_exclude_files.txt

@@ -104,3 +104,4 @@ rust-toolchain
 benchmarks/queries/q*.sql
 ballista/rust/scheduler/testdata/*
 ballista/ui/scheduler/yarn.lock
+python/rust-toolchain

python/.cargo/config

@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+[target.x86_64-apple-darwin]
+rustflags = [
+  "-C", "link-arg=-undefined",
+  "-C", "link-arg=dynamic_lookup",
+]

python/.dockerignore

@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+target
+venv

python/.gitignore

@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+/target
+Cargo.lock
+venv

python/Cargo.toml

@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+[package]
+name = "datafusion"
+version = "0.2.1"
+homepage = "https://github.com/apache/arrow"
+repository = "https://github.com/apache/arrow"
+authors = ["Apache Arrow <dev@arrow.apache.org>"]
+description = "Build and run queries against data"
+readme = "README.md"
+license = "Apache-2.0"
+edition = "2018"
+
+[dependencies]
+tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "sync"] }
+rand = "0.7"
+pyo3 = { version = "0.12.1", features = ["extension-module"] }
+datafusion = { git = "https://github.com/apache/arrow-datafusion.git", rev = "2423ff0d" }
+
+[lib]
+name = "datafusion"
+crate-type = ["cdylib"]
+
+[package.metadata.maturin]
+requires-dist = ["pyarrow>=1"]
+
+classifier = [
+    "Development Status :: 2 - Pre-Alpha",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "License :: OSI Approved",
+    "Operating System :: MacOS",
+    "Operating System :: Microsoft :: Windows",
+    "Operating System :: POSIX :: Linux",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python",
+    "Programming Language :: Rust",
+]