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libgpiod/bindings/python/build_tests.py
Phil Howard d588a6a592 bindings: python: standalone build tooling for tests
Move extension definitions and tooling for building tests into
`build_tests.py` and update Makefile.am to call it with appropriate path
prefixes.

`build_tests.py` will perform a standalone build of the text extensions,
keeping any build noise in a temporary directory and copying the final
built modules automatically out to `tests/gpiosim` and `tests/procname`.

Add "python-tests-run" to Makefile.am so it's clear how to run the tests.

Add .so object files generated by build_test.py to Makefile.am's
clean-local.

Signed-off-by: Phil Howard <phil@gadgetoid.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-11-08 20:50:02 +01:00

96 lines
2.3 KiB
Python

# SPDX-License-Identifier: GPL-2.0-or-later
# SPDX-FileCopyrightText: 2023 Phil Howard <phil@gadgetoid.com>
"""
Bring up just enough of setuptools/distutils in order to build the gpiod
test module C extensions.
Set "build_temp" and "build_lib" so that our source directory is not
polluted with artefacts in build/
Builds:
tests/gpiosim/_ext.<target>.so
tests/procname/_ext.<target>.so
"""
import glob
import tempfile
from os import getenv, path
from setuptools import Distribution, Extension
from setuptools.command.build_ext import build_ext
TOP_SRCDIR = getenv("TOP_SRCDIR", "../../")
TOP_BUILDDIR = getenv("TOP_BUILDDIR", "../../")
# __version__
with open("gpiod/version.py", "r") as fd:
exec(fd.read())
# The tests are run in-place with PYTHONPATH set to bindings/python
# so we need the gpiod extension module too.
gpiod_ext = Extension(
"gpiod._ext",
sources=glob.glob("gpiod/ext/*.c"),
define_macros=[("_GNU_SOURCE", "1")],
libraries=["gpiod"],
extra_compile_args=["-Wall", "-Wextra"],
include_dirs=[
path.join(TOP_SRCDIR, "include"),
],
library_dirs=[
path.join(TOP_BUILDDIR, "lib/.libs"),
],
)
gpiosim_ext = Extension(
"tests.gpiosim._ext",
sources=["tests/gpiosim/ext.c"],
define_macros=[("_GNU_SOURCE", "1")],
libraries=["gpiosim"],
extra_compile_args=["-Wall", "-Wextra"],
include_dirs=[
path.join(TOP_SRCDIR, "include"),
path.join(TOP_SRCDIR, "tests/gpiosim"),
],
library_dirs=[
path.join(TOP_BUILDDIR, "lib/.libs"),
path.join(TOP_BUILDDIR, "tests/gpiosim/.libs"),
],
)
procname_ext = Extension(
"tests.procname._ext",
sources=["tests/procname/ext.c"],
define_macros=[("_GNU_SOURCE", "1")],
extra_compile_args=["-Wall", "-Wextra"],
)
dist = Distribution(
{
"name": "gpiod",
"ext_modules": [gpiosim_ext, procname_ext, gpiod_ext],
"version": __version__,
"platforms": ["linux"],
}
)
try:
from setuptools.logging import configure
configure()
except ImportError:
from distutils.log import DEBUG, set_verbosity
set_verbosity(DEBUG)
with tempfile.TemporaryDirectory(prefix="libgpiod-") as temp_dir:
command = build_ext(dist)
command.inplace = True
command.build_temp = temp_dir
command.build_lib = temp_dir
command.finalize_options()
command.run()