Function generate_cython

setup.py:315–349

()

    return new_build_clib, new_build_ext

def generate_cython():
    # Check Cython version
    from numpy._utils import _pep440
    try:
        # try the cython in the installed python first (somewhat related to
        # scipy/scipy#2397)
        import Cython
        from Cython.Compiler.Version import version as cython_version
    except ImportError as e:
        # The `cython` command need not point to the version installed in the
        # Python running this script, so raise an error to avoid the chance of
        # using the wrong version of Cython.
        msg = 'Cython needs to be installed in Python as a module'
        raise OSError(msg) from e
    else:
        # Note: keep in sync with that in pyproject.toml
        # Update for Python 3.11
        required_version = '0.29.30'

        if _pep440.parse(cython_version) < _pep440.Version(required_version):
            cython_path = Cython.__file__
            msg = 'Building NumPy requires Cython >= {}, found {} at {}'
            msg = msg.format(required_version, cython_version, cython_path)
            raise RuntimeError(msg)

    # Process files
    cwd = os.path.abspath(os.path.dirname(__file__))
    print("Cythonizing sources")
    for d in ('random',):
        p = subprocess.call([sys.executable,
                             os.path.join(cwd, 'tools', 'cythonize.py'),
                             'numpy/{0}'.format(d)],
                            cwd=cwd)
        if p != 0:
            raise RuntimeError("Running cythonize failed!")


def parse_setuppy_commands():