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Bfut python new setup (tinyobjloader#345)
* Delete MANIFEST.in * Update setup.py per current pybind11 example; set relative include paths to library header * Move setup.py and pyproject.toml to root, delete MANIFEST.in * Update Python build per current pybind11 example, setting binding relative include paths to library header * Update azure pipeline build. Use pipx to build source dist of Python package. * Fix black(python format checker) install * Use 'latest' OS image. * Disable aarch64 linux build support in Azure pipeline build since it takes too much time to build. Co-authored-by: Benjamin Futász <34510704+bfut@users.noreply.github.com>
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‎azure-pipelines.yml‎

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variables:
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# https://cibuildwheel.readthedocs.io/en/stable/cpp_standards/
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# python2.7 + C++11(pybind11) is not available.
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CIBW_SKIP: "cp27-win* pp27-win32 pp36-win32"
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# cibuildwheel now supports python 3.6+(as of 2022 Oct)
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#CIBW_SKIP: "pp*"
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CIBW_BEFORE_BUILD: "pip install pybind11"
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CIBW_ARCHS_LINUXBEFORE_BUILD: "pip install pybind11"
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# disable aarch64 build for a while since it(pulling docker aarch64 image) exceeds Azure's 60 min limit
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# NOTE: aarch64 linux support in Azure pipeline is not yet officially supported(as of 2022 Oct) https://github.com/microsoft/azure-pipelines-agent/issues/3935
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#CIBW_ARCHS_LINUX: auto aarch64
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CIBW_ARCHS_MACOS: x86_64 universal2 arm64
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#CIBW_BEFORE_BUILD_MACOS: "pip install -U pip setuptools"
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#CIBW_BEFORE_BUILD_LINUX: "pip install -U pip setuptools"
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#CIBW_TEST_COMMAND: TODO "python -c \"import tinyobjloader; tinyobjloader.test()\""
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steps:
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- task: UsePythonVersion@0
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- script: |
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pip install black==19.10b0
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# 19.10b0 triggers 'cannot import name '_unicodefun' from 'click'' error.
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# https://stackoverflow.com/questions/71673404/importerror-cannot-import-name-unicodefun-from-click
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#pip install black==19.10b0
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pip install black==22.3.0
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black --check python/
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displayName: Check Python code format
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- bash: |
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python3 -m pip install --upgrade pip
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pip3 install cibuildwheel twine
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# Make the header files available to the build.
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cp *.h python
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mkdir python/mapbox
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cp mapbox/earcut.hpp python/mapbox/
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cd python
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# Use pipx to build source dist
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pip3 install pipx
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# Source dist
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python3 setup.py sdist
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pipx run build --sdist
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ls -la dist/*
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# build binary wheels
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cibuildwheel --output-dir wheelhouse .
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cibuildwheel --platform linux --output-dir wheelhouse .
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- task: CopyFiles@2
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inputs:
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contents: 'python/wheelhouse/**'
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contents: 'wheelhouse/**'
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targetFolder: $(Build.ArtifactStagingDirectory)
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- task: CopyFiles@2
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inputs:
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contents: 'python/dist/**'
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contents: 'dist/**'
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targetFolder: $(Build.ArtifactStagingDirectory)
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- task: PublishBuildArtifacts@1
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artifactName: tinyobjDeployLinux
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- job: macos
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pool: {vmImage: 'macOS-10.15'}
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pool: {vmImage: 'macOS-latest'}
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variables:
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# Support C++11: https://github.com/joerick/cibuildwheel/pull/156
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MACOSX_DEPLOYMENT_TARGET: 10.9
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- bash: |
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python3 -m pip install --upgrade pip
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pip3 install cibuildwheel
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# Make the header files available to the build.
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cp *.h python
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mkdir python/mapbox
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cp mapbox/earcut.hpp python/mapbox/earcut.hpp
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cd python
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cibuildwheel --output-dir wheelhouse .
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cibuildwheel --platform macos --output-dir wheelhouse .
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- task: CopyFiles@2
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inputs:
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contents: 'python/wheelhouse/*.whl'
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contents: 'wheelhouse/*.whl'
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targetFolder: $(Build.ArtifactStagingDirectory)
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- task: PublishBuildArtifacts@1
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inputs:
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path: $(Build.ArtifactStagingDirectory)
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artifactName: tinyobjDeployMacOS
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- job: windows
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pool: {vmImage: 'windows-2019'}
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pool: {vmImage: 'windows-latest'}
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steps:
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- task: UsePythonVersion@0
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- bash: |
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python -m pip install --upgrade pip
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pip install cibuildwheel
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# Make the header files available to the build.
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cp *.h python
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mkdir python/mapbox
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cp mapbox/earcut.hpp python/mapbox/
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cd python
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cibuildwheel --output-dir wheelhouse .
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cibuildwheel --platform windows --output-dir wheelhouse .
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- task: CopyFiles@2
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inputs:
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contents: 'python/wheelhouse/*.whl'
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contents: 'wheelhouse/*.whl'
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targetFolder: $(Build.ArtifactStagingDirectory)
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- task: PublishBuildArtifacts@1
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inputs:
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- job: deployPyPI
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# Based on vispy: https://github.com/vispy/vispy/blob/master/azure-pipelines.yml
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pool: {vmImage: 'Ubuntu-16.04'}
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pool: {vmImage: 'ubuntu-latest'}
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condition: and(succeeded(), startsWith(variables['Build.SourceBranch'], 'refs/tags/v'))
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dependsOn:
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- linux
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find .
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python -m pip install --upgrade pip
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pip install twine
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echo tinyobjDeployLinux/python/dist/*
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echo tinyobjDeployLinux/python/wheelhouse/* tinyobjDeployMacOS/python/wheelhouse/* tinyobjDeployWindows/python/wheelhouse/*
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twine upload -u "__token__" --skip-existing tinyobjDeployLinux/python/dist/* tinyobjDeployLinux/python/wheelhouse/* tinyobjDeployMacOS/python/wheelhouse/* tinyobjDeployWindows/python/wheelhouse/*
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echo tinyobjDeployLinux/dist/*
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echo tinyobjDeployLinux/wheelhouse/* tinyobjDeployMacOS/wheelhouse/* tinyobjDeployWindows/wheelhouse/*
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twine upload -u "__token__" --skip-existing tinyobjDeployLinux/dist/* tinyobjDeployLinux/wheelhouse/* tinyobjDeployMacOS/wheelhouse/* tinyobjDeployWindows/wheelhouse/*
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env:
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TWINE_PASSWORD: $(pypiToken2)
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‎pyproject.toml‎

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[build-system]
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requires = ["setuptools>=42", "wheel", "pip>=19.2", "pybind11>=2.8.0"]
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build-backend = "setuptools.build_meta"

‎python/MANIFEST.in‎

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‎python/Makefile‎

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all:
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python setup.py build
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cd .. && python -m pip install .
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t:
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python sample.py

‎python/README.md‎

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## Requirements
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* python 3.x(3.6+ recommended)
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* python 2.7 may work, but not officially supported.
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* python 3.6+
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## Install
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## How to build
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Using `cibuildwheel` is an recommended way to build a python module.
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Using `cibuildwheel` is a recommended way to build a python module.
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See $tinyobjloader/azure-pipelines.yml for details.
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### Developer build
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Edit `setup.py` and uncomment `Developer option` lines
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Assume pip is installed.
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```
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$ pip install pybind11
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$ python setup.py build
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$ git clone https://github.com/tinyobjloader/tinyobjloader
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$ cd tinyobjloader
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$ python -m pip install .
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```
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## License
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## TODO
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* [ ] Writer saver
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‎python/bindings.cc‎

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// define some helper functions for pybind11
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#define TINY_OBJ_LOADER_PYTHON_BINDING
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#include "tiny_obj_loader.h"
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#include "../tiny_obj_loader.h"
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namespace py = pybind11;
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.def("numpy_indices", [] (mesh_t &instance) {
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// Flatten indexes. index_t is composed of 3 ints(vertex_index, normal_index, texcoord_index).
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// numpy_indices = [0, -1, -1, 1, -1, -1, ...]
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// C++11 or later should pack POD struct tightly and does not reorder variables,
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// C++11 or later should pack POD struct tightly and does not reorder variables,
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// so we can memcpy to copy data.
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// Still, we check the size of struct and byte offsets of each variable just for sure.
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static_assert(sizeof(index_t) == 12, "sizeof(index_t) must be 12");

‎python/pyproject.toml‎

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‎python/setup.py‎

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‎python/tiny_obj_loader.cc‎

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#define TINYOBJLOADER_USE_MAPBOX_EARCUT
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#define TINYOBJLOADER_IMPLEMENTATION
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#include "tiny_obj_loader.h"
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#include "../tiny_obj_loader.h"

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