feat: Add initial version for arrowcpp

.editorconfig

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+# http://editorconfig.org
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+end_of_line = lf
+
+[*.py]
+indent_style = space
+indent_size = 4
+
+[LICENSE]
+insert_final_newline = true
+
+[Makefile]
+indent_style = tab

.github/workflows/main.yaml

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+name: main
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          miniforge-version: latest
+          environment-file: conda.yaml
+          channels: conda-forge,nodefaults
+          activate-environment: arx-arrowcpp-sources
+          auto-update-conda: true
+          conda-solver: libmamba
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: poetry install --with dev
+
+      - name: Generate Apache Arrow C++ source bundle
+        run: python scripts/build_bundle.py
+
+      - name: Run tests
+        run: pytest -q
+
+      - name: Lint
+        run: |
+          pre-commit install
+          pre-commit run --all-files
+
+      - name: Build package
+        run: poetry build
+
+      - name: Smoke test installed wheel
+        run: |
+          python -m venv /tmp/arx-arrowcpp-wheel-smoke
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python -m pip install --upgrade pip
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python -m pip install --no-deps dist/*.whl
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python scripts/smoke_test_installed.py

.github/workflows/release.yaml

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+name: release
+
+on:
+  workflow_dispatch:
+    inputs:
+      build:
+        description: "Optional post-release build number (e.g. 1 -> .post1)"
+        required: false
+        type: string
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          miniforge-version: latest
+          environment-file: conda.yaml
+          channels: conda-forge,nodefaults
+          activate-environment: arx-arrowcpp-sources
+          auto-update-conda: true
+          conda-solver: libmamba
+          python-version: "3.13"
+
+      - name: Install dependencies
+        run: poetry install --with dev
+
+      - name: Resolve release version
+        env:
+          BUILD_NUMBER: ${{ inputs.build }}
+        run: |
+          set -euo pipefail
+          BUNDLED_VERSION="$(python - <<'PY'
+          import re
+          from pathlib import Path
+
+          source = Path("src/arx_arrowcpp_sources/_version.py").read_text(
+              encoding="utf8"
+          )
+          match = re.search(
+              r'^BUNDLED_ARROWCPP_VERSION = "([^"]+)"$',
+              source,
+              re.MULTILINE,
+          )
+          if match is None:
+              raise SystemExit(
+                  "Unable to determine bundled Apache Arrow C++ version"
+              )
+          print(match.group(1))
+          PY
+          )"
+          bash ./scripts/versioning.sh "$BUNDLED_VERSION" "${BUILD_NUMBER:-}"
+          python - <<'PY'
+          import tomllib
+
+          with open("pyproject.toml", "rb") as file_handle:
+              version = tomllib.load(file_handle)["project"]["version"]
+
+          print(f"Effective release version: {version}")
+          PY
+
+      - name: Generate Apache Arrow C++ source bundle
+        run: python scripts/build_bundle.py
+
+      - name: Build package
+        run: poetry build
+
+      - name: Smoke test installed wheel
+        run: |
+          python -m venv /tmp/arx-arrowcpp-wheel-smoke
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python -m pip install --upgrade pip
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python -m pip install --no-deps dist/*.whl
+          /tmp/arx-arrowcpp-wheel-smoke/bin/python scripts/smoke_test_installed.py
+
+      - name: Publish to PyPI
+        env:
+          PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+        run: |
+          poetry config pypi-token.pypi "${PYPI_TOKEN}"
+          poetry publish --skip-existing

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+src/arx_arrowcpp_sources/vendor/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+#poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+#pdm.lock
+#pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+#pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
+
+# Abstra
+# Abstra is an AI-powered process automation framework.
+# Ignore directories containing user credentials, local state, and settings.
+# Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#  Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore
+#  that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#  and can be added to the global gitignore or merged into this file. However, if you prefer,
+#  you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Cursor
+#  Cursor is an AI-powered code editor. `.cursorignore` specifies files/directories to
+#  exclude from AI features like autocomplete and code analysis. Recommended for sensitive data
+#  refer to https://docs.cursor.com/context/ignore-files
+.cursorignore
+.cursorindexingignore
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# llm
+.codex
+PLAN.md
+REVIEW.md
+
+# pytest temporary directories
+pytest-of-*/