pyproject: Use pyproject.toml for building wheels

MANIFEST.in

@@ -1,6 +1,7 @@
 include LICENSE
 include *.rst
 include doc/requirements.txt
-include sounddevice_build.py
+recursive-include _custom_build *.py
+include sounddevice.py
 recursive-include doc *.rst *.py
 recursive-include examples *.py

VERSION

@@ -0,0 +1 @@
+0.5.0

_custom_build/backend.py

@@ -0,0 +1,58 @@
+"""A Thin backend wrapper for setuptools.build_meta
+
+See https://setuptools.pypa.io/en/latest/build_meta.html
+"""
+
+from setuptools import build_meta as _orig
+from setuptools.build_meta import *
+import sounddevice_build
+import os
+import platform
+import shutil
+
+sounddevice_build.main()
+
+DARWIN = "Darwin"
+WINDOWS = "Windows"
+MACOSX_VERSIONS = ["maccosx_10_6_x86_64", "macosx_10_6_universal2"]
+
+
+def get_platform_specific_wheel_name() -> str:
+    """Return the platform specific wheel name."""
+    current_platform = os.environ.get("PYTHON_SOUNDDEVICE_PLATFORM", platform.system())
+    architecture = os.environ.get("PYTHON_SOUNDDEVICE_ARCHITECTURE", platform.architecture()[0])
+    oses = "any"
+
+    if current_platform == DARWIN:
+        oses = ".".join(MACOSX_VERSIONS)
+    elif current_platform == WINDOWS:
+        oses = "win32" if architecture == "32bit" else "win_amd64"
+
+    with open("VERSION", "r") as f:
+        version = f.read().strip()
+
+    return f"sounddevice-{version}-py3-none-{oses}.whl"
+
+
+def prepare_meta_for_build_wheel(config_settings=None):
+    """This function may be used in the future to customize platform specific portaudio libraries."""
+    return _orig.prepare_metadata_for_build_wheel(config_settings=config_settings)
+
+
+def get_requires_for_build_wheel(config_settings=None):
+    return _orig.get_requires_for_build_wheel(config_settings=config_settings)
+
+
+def build_wheel(wheel_directory, config_settings=None, metadata_directory=None):
+    """Intercept the build wheel function and copy the wheel to a platform specific name.
+
+    We build the wheel as ususal for the package but intercept the output so that we can rename it.
+    """
+
+    wheel_file = _orig.build_wheel(wheel_directory, config_settings=config_settings, metadata_directory=metadata_directory)
+    old_wheel_path = os.path.join(wheel_directory, wheel_file)
+    new_wheel_path = os.path.join(wheel_directory, get_platform_specific_wheel_name())
+
+    shutil.move(old_wheel_path, new_wheel_path)
+
+    return new_wheel_path

sounddevice_build.py → _custom_build/sounddevice_build.py

@@ -1,7 +1,7 @@
 from cffi import FFI
 
 ffibuilder = FFI()
-ffibuilder.set_source('_sounddevice', None)
+ffibuilder.set_source("_sounddevice", None)
 ffibuilder.cdef("""
 int Pa_GetVersion( void );
 const char* Pa_GetVersionText( void );
@@ -314,5 +314,10 @@
 int PaWasapi_IsLoopback( PaDeviceIndex device );
 """)
 
-if __name__ == '__main__':
+
+def main():
     ffibuilder.compile(verbose=True)
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -1,3 +1,41 @@
 [build-system]
-requires = ["setuptools >= 61.0"]
-build-backend = "setuptools.build_meta"
+requires = ["setuptools", "wheel", "CFFI>=1.0.0"]
+build-backend = "backend"
+backend-path = ["_custom_build"]
+
+[project]
+name = "sounddevice"
+description = "Play and Record Sound with Python"
+requires-python = ">=3.7"
+readme = "README.rst"
+license = { file = "LICENSE" }
+keywords = ["sound", "audio", "play", "record", "playrec", "PortAudio"]
+authors = [{ name = "Matthias Geier", email = "[email protected]" }]
+classifiers = [
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Topic :: Multimedia :: Sound/Audio"
+]
+urls = { "Source" = "https://github.com/spatialaudio/python-sounddevice" }
+dependencies = ["CFFI>=1.0.0"]
+dynamic = ["version"]
+
+[project.optional-dependencies]
+NumPy = ["NumPy"]
+
+[tool.setuptools]
+zip-safe = false
+py-modules = ["sounddevice", "_sounddevice"]
+packages = ["_sounddevice_data"]
+
+[tool.setuptools.package-data]
+"_sounddevice_data"= [
+        "portaudio-binaries/*.dll",
+        "portaudio-binaries/*.dylib",
+        "portaudio-binaries/*.md"
+        ]
+
+[tool.setuptools.dynamic]
+version = { "file" = "VERSION" }

sounddevice.py

@@ -48,7 +48,6 @@
     https://python-sounddevice.readthedocs.io/
 
 """
-__version__ = '0.5.0'
 
 import atexit as _atexit
 import os as _os