ENH: support Numpy2 and legacy Numpy

pyproject.toml

@@ -1,7 +1,8 @@
 [build-system]
 requires = [
-    "wheel",
     "setuptools",
-    "numpy",
+    "numpy>=2; python_version>='3.9'",
+    "oldest-supported-numpy; python_version<'3.9'",
     "cython",
 ]
+build-backend = "setuptools.build_meta"

setup.py

@@ -1,53 +1,45 @@
-from __future__ import with_statement, print_function, absolute_import
-
-from setuptools import setup, find_packages, Extension
-from distutils.version import LooseVersion
-
-import sys
-from glob import glob
-from os.path import join
-import numpy
-
-from setuptools.command.build_ext import build_ext
-
-
-_VERSION = '0.3.4'
-
-
-world_src_top = join("lib", "World", "src")
-world_sources = glob(join(world_src_top, "*.cpp"))
-
-ext_modules = [
-    Extension(
-        name="pyworld.pyworld",
-        include_dirs=[world_src_top, numpy.get_include()],
-        sources=[join("pyworld", "pyworld.pyx")] + world_sources,
-        language="c++")]
-
-kwargs = {"encoding": "utf-8"} if int(sys.version[0]) > 2 else {}
-setup(
-    name="pyworld",
-    description="PyWorld: a Python wrapper for WORLD vocoder",
-    long_description=open("README.md", "r", **kwargs).read(),
-    long_description_content_type="text/markdown",
-    ext_modules=ext_modules,
-    cmdclass={'build_ext': build_ext},
-    version=_VERSION,
-    packages=find_packages(),
-    setup_requires=[
-        'numpy',
-    ],
-    install_requires=[
-        'numpy',
-        'cython>=0.24',
-    ],
-    extras_require={
-        'test': ['nose'],
-        'sdist': ['numpy', 'cython>=0.24'],
-    },
-    author="Pyworld Contributors",
-    author_email="[email protected]",
-    url="https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder",
-    keywords=['vocoder'],
-    classifiers=[],
-)
+from __future__ import absolute_import, print_function, with_statement
+
+import sys
+from glob import glob
+from os.path import join
+
+import numpy
+from setuptools import Extension, find_packages, setup
+from setuptools.command.build_ext import build_ext
+
+
+_VERSION = '0.3.4'
+
+
+world_src_top = join("lib", "World", "src")
+world_sources = glob(join(world_src_top, "*.cpp"))
+
+ext_modules = [
+    Extension(
+        name="pyworld.pyworld",
+        include_dirs=[world_src_top, numpy.get_include()],
+        sources=[join("pyworld", "pyworld.pyx")] + world_sources,
+        language="c++")]
+
+kwargs = {"encoding": "utf-8"} if int(sys.version[0]) > 2 else {}
+setup(
+    name="pyworld",
+    description="PyWorld: a Python wrapper for WORLD vocoder",
+    long_description=open("README.md", "r", **kwargs).read(),
+    long_description_content_type="text/markdown",
+    ext_modules=ext_modules,
+    cmdclass={'build_ext': build_ext},
+    version=_VERSION,
+    packages=find_packages(),
+    install_requires=['numpy'],
+    extras_require={
+        'test': ['nose'],
+        'sdist': ['numpy', 'cython>=0.24'],
+    },
+    author="Pyworld Contributors",
+    author_email="[email protected]",
+    url="https://github.com/JeremyCCHsu/Python-Wrapper-for-World-Vocoder",
+    keywords=['vocoder'],
+    classifiers=[],
+)