76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
import pathlib
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import subprocess
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import sys
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import os
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import argparse
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def isNPY_OLD():
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'''
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A new random C API was added in 1.18 and became stable in 1.19.
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Prefer the new random C API when building with recent numpy.
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'''
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import numpy as np
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ver = tuple(int(num) for num in np.__version__.split('.')[:2])
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return ver < (1, 19)
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def make_biasedurn(outdir):
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'''Substitute True/False values for NPY_OLD Cython build variable.'''
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biasedurn_base = (pathlib.Path(__file__).parent / '_biasedurn').absolute()
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with open(biasedurn_base.with_suffix('.pyx.templ'), 'r') as src:
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contents = src.read()
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outfile = outdir / '_biasedurn.pyx'
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with open(outfile, 'w') as dest:
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dest.write(contents.format(NPY_OLD=str(bool(isNPY_OLD()))))
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def make_unuran(srcdir, outdir):
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"""Substitute True/False values for NPY_OLD Cython build variable."""
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import re
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with open(srcdir / "unuran_wrapper.pyx.templ", "r") as src:
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contents = src.read()
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with open(outdir / "unuran_wrapper.pyx", "w") as dest:
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dest.write(re.sub("DEF NPY_OLD = isNPY_OLD",
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f"DEF NPY_OLD = {isNPY_OLD()}",
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contents))
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def make_boost(outdir, distutils_build=False):
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# Call code generator inside _boost directory
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code_gen = pathlib.Path(__file__).parent / '_boost/include/code_gen.py'
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if distutils_build:
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subprocess.run([sys.executable, str(code_gen), '-o', outdir,
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'--distutils-build', 'True'], check=True)
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else:
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subprocess.run([sys.executable, str(code_gen), '-o', outdir],
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check=True)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument("-o", "--outdir", type=str,
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help="Path to the output directory")
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args = parser.parse_args()
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if not args.outdir:
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# We're dealing with a distutils build here, write in-place:
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outdir_abs = pathlib.Path(os.path.abspath(os.path.dirname(__file__)))
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make_biasedurn(outdir_abs)
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outdir_abs_boost = outdir_abs / '_boost' / 'src'
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if not os.path.exists(outdir_abs_boost):
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os.makedirs(outdir_abs_boost)
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make_boost(outdir_abs_boost, distutils_build=True)
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outdir_abs_unuran = outdir_abs / '_unuran'
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make_unuran(outdir_abs_unuran, outdir_abs_unuran)
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else:
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# Meson build
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srcdir_abs = pathlib.Path(os.path.abspath(os.path.dirname(__file__)))
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outdir_abs = pathlib.Path(os.getcwd()) / args.outdir
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make_biasedurn(outdir_abs)
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make_boost(outdir_abs)
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make_unuran(srcdir_abs / '_unuran', outdir_abs)
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