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Commit 44f372e

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rgommersrgommers
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TST: add test package with internal shared library, installed in site-packages
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‎tests/packages/sharedlib-in-package/meson.build

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# SPDX-FileCopyrightText: 2022 The meson-python developers
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#
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# SPDX-License-Identifier: MIT
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project('sharedlib-in-package', 'c', version: '1.0.0')
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py = import('python').find_installation(pure: false)
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subdir('mypkg')

‎tests/packages/sharedlib-in-package/mypkg/__init__.py

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# SPDX-FileCopyrightText: 2024 The meson-python developers
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#
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# SPDX-License-Identifier: MIT
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import os
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def _load_sharedlib():
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"""Load the `example_lib.dll` shared library on Windows
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This shared library is installed alongside this __init__.py file. Due to
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lack of rpath support, Windows cannot find shared libraries installed
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within wheels. So pre-load it.
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"""
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if os.name == "nt":
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from ctypes import WinDLL
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basedir = os.path.dirname(__file__)
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dll_path = os.path.join(basedir, "examplelib.dll")
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WinDLL(dll_path)
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_load_sharedlib()
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from ._example import example_sum

‎tests/packages/sharedlib-in-package/mypkg/_examplemod.c

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// SPDX-FileCopyrightText: 2022 The meson-python developers
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//
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// SPDX-License-Identifier: MIT
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#include <Python.h>
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#include "examplelib.h"
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static PyObject* example_sum(PyObject* self, PyObject *args)
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{
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int a, b;
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if (!PyArg_ParseTuple(args, "ii", &a, &b)) {
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return NULL;
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}
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long result = sum(a, b);
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return PyLong_FromLong(result);
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}
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static PyMethodDef methods[] = {
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{"example_sum", (PyCFunction)example_sum, METH_VARARGS, NULL},
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{NULL, NULL, 0, NULL},
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};
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static struct PyModuleDef module = {
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PyModuleDef_HEAD_INIT,
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"_example",
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NULL,
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-1,
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methods,
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};
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PyMODINIT_FUNC PyInit__example(void)
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{
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return PyModule_Create(&module);
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}

‎tests/packages/sharedlib-in-package/mypkg/examplelib.c

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// SPDX-FileCopyrightText: 2022 The meson-python developers
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//
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// SPDX-License-Identifier: MIT
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int sum(int a, int b) {
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return a + b;
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}

‎tests/packages/sharedlib-in-package/mypkg/examplelib.h

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// SPDX-FileCopyrightText: 2022 The meson-python developers
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//
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// SPDX-License-Identifier: MIT
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int sum(int a, int b);

‎tests/packages/sharedlib-in-package/mypkg/meson.build

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# SPDX-FileCopyrightText: 2022 The meson-python developers
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#
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# SPDX-License-Identifier: MIT
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example_lib = shared_library(
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'examplelib',
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'examplelib.c',
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install: true,
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install_dir: py.get_install_dir() / 'mypkg',
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)
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py.extension_module(
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'_example',
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'_examplemod.c',
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link_with: example_lib,
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install: true,
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subdir: 'mypkg',
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install_rpath: '$ORIGIN',
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)
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py.install_sources(
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['__init__.py'],
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subdir: 'mypkg',
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)

‎tests/packages/sharedlib-in-package/pyproject.toml

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# SPDX-FileCopyrightText: 2022 The meson-python developers
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#
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# SPDX-License-Identifier: MIT
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[build-system]
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build-backend = 'mesonpy'
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requires = ['meson-python']

‎tests/test_wheel.py

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assert int(output) == 3
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@pytest.mark.skipif(MESON_VERSION < (0, 64, 0), reason='Meson version too old')
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def test_sharedlib_in_package(venv, wheel_sharedlib_in_package):
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venv.pip('install', wheel_sharedlib_in_package)
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output = venv.python('-c', 'import mypkg; print(mypkg.example_sum(2, 5))')
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assert int(output) == 7
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@pytest.mark.skipif(sys.platform not in {'linux', 'darwin'}, reason='Not supported on this platform')
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def test_rpath(wheel_link_against_local_lib, tmp_path):
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artifact = wheel.wheelfile.WheelFile(wheel_link_against_local_lib)

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