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feat: scikit-build-core examples (#27)
* feat: scikit-build-core examples Signed-off-by: Henry Schreiner <[email protected]> * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci Signed-off-by: Henry Schreiner <[email protected]> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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.github/workflows/ci.yml

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steps:
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- uses: actions/checkout@v3
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- uses: excitedleigh/setup-nox@main
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- uses: wntrblm/nox@main
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- run: nox

noxfile.py

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hello_list = ["hello-pure", "hello-cpp", "hello-pybind11", "hello-cython"]
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if not sys.platform.startswith("win"):
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hello_list.append("hello-cmake-package")
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long_hello_list = hello_list + ["pen2-cython"]
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long_hello_list = hello_list + ["pen2-cython", "core-c-hello", "core-pybind11-hello"]
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@nox.session

projects/core-c-hello/.gitignore

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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[cod]
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*$py.class
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# C extensions
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*.so
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# Distribution / packaging
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.Python
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build/
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develop-eggs/
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dist/
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downloads/
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eggs/
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.eggs/
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lib/
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lib64/
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parts/
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sdist/
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var/
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wheels/
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share/python-wheels/
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*.egg-info/
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.installed.cfg
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*.egg
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MANIFEST
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# PyInstaller
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# Usually these files are written by a python script from a template
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# before PyInstaller builds the exe, so as to inject date/other infos into it.
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*.manifest
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*.spec
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# Installer logs
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pip-log.txt
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pip-delete-this-directory.txt
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# Unit test / coverage reports
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htmlcov/
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.tox/
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.nox/
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.coverage
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.coverage.*
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.cache
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nosetests.xml
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coverage.xml
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*.cover
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*.py,cover
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.hypothesis/
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.pytest_cache/
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cover/
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# Translations
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*.mo
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*.pot
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# Django stuff:
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*.log
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local_settings.py
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db.sqlite3
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db.sqlite3-journal
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# Flask stuff:
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instance/
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.webassets-cache
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# Scrapy stuff:
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.scrapy
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# Sphinx documentation
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docs/_build/
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# PyBuilder
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.pybuilder/
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target/
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# Jupyter Notebook
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.ipynb_checkpoints
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# IPython
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profile_default/
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ipython_config.py
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# pyenv
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# For a library or package, you might want to ignore these files since the code is
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# intended to run in multiple environments; otherwise, check them in:
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# .python-version
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# pipenv
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# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
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# However, in case of collaboration, if having platform-specific dependencies or dependencies
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# having no cross-platform support, pipenv may install dependencies that don't work, or not
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# install all needed dependencies.
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#Pipfile.lock
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# poetry
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# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
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# This is especially recommended for binary packages to ensure reproducibility, and is more
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# commonly ignored for libraries.
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# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
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#poetry.lock
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# pdm
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# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
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#pdm.lock
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# pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
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# in version control.
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# https://pdm.fming.dev/#use-with-ide
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.pdm.toml
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# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
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__pypackages__/
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# Celery stuff
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celerybeat-schedule
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celerybeat.pid
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# SageMath parsed files
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*.sage.py
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# Environments
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.env
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.venv
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env/
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venv/
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ENV/
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env.bak/
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venv.bak/
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# Spyder project settings
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.spyderproject
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.spyproject
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# Rope project settings
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.ropeproject
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# mkdocs documentation
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/site
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# mypy
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.mypy_cache/
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.dmypy.json
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dmypy.json
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# Pyre type checker
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.pyre/
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# pytype static type analyzer
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.pytype/
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# Cython debug symbols
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cython_debug/
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# PyCharm
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# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
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# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
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# and can be added to the global gitignore or merged into this file. For a more nuclear
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# option (not recommended) you can uncomment the following to ignore the entire idea folder.
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#.idea/

projects/core-c-hello/CMakeLists.txt

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cmake_minimum_required(VERSION 3.15...3.24)
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project(${SKBUILD_PROJECT_NAME} VERSION ${SKBUILD_PROJECT_VERSION} LANGUAGES C)
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find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
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Python_add_library(skcdpure MODULE WITH_SOABI skcdpure.c)
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install(TARGETS skcdpure DESTINATION .)

projects/core-c-hello/pyproject.toml

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[build-system]
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requires = ["scikit-build-core[rich,pyproject]"]
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build-backend = "scikit_build_core.build"
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[project]
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name = "skcdpure"
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version = "0.1.0"
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requires-python = ">=3.9"

projects/core-c-hello/skcdpure.c

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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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static PyObject *hello_function(PyObject *self, PyObject *args) {
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PyObject* builtins = PyImport_ImportModule("builtins");
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PyObject* print = PyObject_GetAttrString(builtins, "print");
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PyObject* msg = PyUnicode_FromString("Hello, scikit-build-core CAPI fans!");
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PyObject* none = PyObject_CallOneArg(print, msg);
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Py_XDECREF(print);
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Py_XDECREF(builtins);
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Py_XDECREF(msg);
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Py_XDECREF(none);
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Py_RETURN_NONE;
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}
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static PyMethodDef skcdpure_methods[] = {
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{"hello", hello_function, METH_NOARGS, "Hello function"},
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{NULL, NULL, 0, NULL}};
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static struct PyModuleDef skcdpure_module = {PyModuleDef_HEAD_INIT, "skcdpure",
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NULL, -1, skcdpure_methods};
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PyMODINIT_FUNC PyInit_skcdpure(void) {
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return PyModule_Create(&skcdpure_module);
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}
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# Byte-compiled / optimized / DLL files
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__pycache__/
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*.py[cod]
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*$py.class
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# C extensions
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*.so
8+
9+
# Distribution / packaging
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.Python
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build/
12+
develop-eggs/
13+
dist/
14+
downloads/
15+
eggs/
16+
.eggs/
17+
lib/
18+
lib64/
19+
parts/
20+
sdist/
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var/
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wheels/
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share/python-wheels/
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*.egg-info/
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.installed.cfg
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*.egg
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MANIFEST
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# PyInstaller
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# Usually these files are written by a python script from a template
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# before PyInstaller builds the exe, so as to inject date/other infos into it.
32+
*.manifest
33+
*.spec
34+
35+
# Installer logs
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pip-log.txt
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pip-delete-this-directory.txt
38+
39+
# Unit test / coverage reports
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htmlcov/
41+
.tox/
42+
.nox/
43+
.coverage
44+
.coverage.*
45+
.cache
46+
nosetests.xml
47+
coverage.xml
48+
*.cover
49+
*.py,cover
50+
.hypothesis/
51+
.pytest_cache/
52+
cover/
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54+
# Translations
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*.mo
56+
*.pot
57+
58+
# Django stuff:
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*.log
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local_settings.py
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db.sqlite3
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db.sqlite3-journal
63+
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# Flask stuff:
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instance/
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.webassets-cache
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68+
# Scrapy stuff:
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.scrapy
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# Sphinx documentation
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docs/_build/
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74+
# PyBuilder
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.pybuilder/
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target/
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# Jupyter Notebook
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.ipynb_checkpoints
80+
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# IPython
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profile_default/
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ipython_config.py
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# pyenv
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# For a library or package, you might want to ignore these files since the code is
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# intended to run in multiple environments; otherwise, check them in:
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# .python-version
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# pipenv
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# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
92+
# However, in case of collaboration, if having platform-specific dependencies or dependencies
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# having no cross-platform support, pipenv may install dependencies that don't work, or not
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# install all needed dependencies.
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#Pipfile.lock
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# poetry
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# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
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# This is especially recommended for binary packages to ensure reproducibility, and is more
100+
# commonly ignored for libraries.
101+
# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
102+
#poetry.lock
103+
104+
# pdm
105+
# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
106+
#pdm.lock
107+
# pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
108+
# in version control.
109+
# https://pdm.fming.dev/#use-with-ide
110+
.pdm.toml
111+
112+
# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
113+
__pypackages__/
114+
115+
# Celery stuff
116+
celerybeat-schedule
117+
celerybeat.pid
118+
119+
# SageMath parsed files
120+
*.sage.py
121+
122+
# Environments
123+
.env
124+
.venv
125+
env/
126+
venv/
127+
ENV/
128+
env.bak/
129+
venv.bak/
130+
131+
# Spyder project settings
132+
.spyderproject
133+
.spyproject
134+
135+
# Rope project settings
136+
.ropeproject
137+
138+
# mkdocs documentation
139+
/site
140+
141+
# mypy
142+
.mypy_cache/
143+
.dmypy.json
144+
dmypy.json
145+
146+
# Pyre type checker
147+
.pyre/
148+
149+
# pytype static type analyzer
150+
.pytype/
151+
152+
# Cython debug symbols
153+
cython_debug/
154+
155+
# PyCharm
156+
# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
157+
# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
158+
# and can be added to the global gitignore or merged into this file. For a more nuclear
159+
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
160+
#.idea/
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cmake_minimum_required(VERSION 3.15...3.24)
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project(${SKBUILD_PROJECT_NAME} VERSION ${SKBUILD_PROJECT_VERSION} LANGUAGES CXX)
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find_package(pybind11 CONFIG REQUIRED)
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pybind11_add_module(skcdemo MODULE skcdemo.cpp)
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install(TARGETS skcdemo DESTINATION .)

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