Updated script that can be controled by Nodejs web app
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from importlib.util import spec_from_file_location, module_from_spec
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import os
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import pathlib
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import pytest
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import shutil
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import subprocess
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import sys
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import sysconfig
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import textwrap
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import warnings
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import numpy as np
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from numpy.testing import IS_WASM, IS_EDITABLE
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try:
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import cffi
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except ImportError:
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cffi = None
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if sys.flags.optimize > 1:
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# no docstrings present to inspect when PYTHONOPTIMIZE/Py_OptimizeFlag > 1
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# cffi cannot succeed
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cffi = None
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try:
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with warnings.catch_warnings(record=True) as w:
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# numba issue gh-4733
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warnings.filterwarnings('always', '', DeprecationWarning)
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import numba
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except (ImportError, SystemError):
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# Certain numpy/numba versions trigger a SystemError due to a numba bug
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numba = None
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try:
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import cython
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from Cython.Compiler.Version import version as cython_version
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except ImportError:
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cython = None
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else:
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from numpy._utils import _pep440
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# Note: keep in sync with the one in pyproject.toml
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required_version = '3.0.6'
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if _pep440.parse(cython_version) < _pep440.Version(required_version):
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# too old or wrong cython, skip the test
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cython = None
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@pytest.mark.skipif(
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IS_EDITABLE,
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reason='Editable install cannot find .pxd headers'
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)
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@pytest.mark.skipif(
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sys.platform == "win32" and sys.maxsize < 2**32,
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reason="Failing in 32-bit Windows wheel build job, skip for now"
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)
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@pytest.mark.skipif(IS_WASM, reason="Can't start subprocess")
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@pytest.mark.skipif(cython is None, reason="requires cython")
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@pytest.mark.slow
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def test_cython(tmp_path):
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import glob
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# build the examples in a temporary directory
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srcdir = os.path.join(os.path.dirname(__file__), '..')
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shutil.copytree(srcdir, tmp_path / 'random')
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build_dir = tmp_path / 'random' / '_examples' / 'cython'
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target_dir = build_dir / "build"
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os.makedirs(target_dir, exist_ok=True)
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if sys.platform == "win32":
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subprocess.check_call(["meson", "setup",
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"--buildtype=release",
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"--vsenv", str(build_dir)],
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cwd=target_dir,
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)
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else:
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subprocess.check_call(["meson", "setup", str(build_dir)],
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cwd=target_dir
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)
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subprocess.check_call(["meson", "compile", "-vv"], cwd=target_dir)
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# gh-16162: make sure numpy's __init__.pxd was used for cython
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# not really part of this test, but it is a convenient place to check
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g = glob.glob(str(target_dir / "*" / "extending.pyx.c"))
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with open(g[0]) as fid:
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txt_to_find = 'NumPy API declarations from "numpy/__init__'
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for i, line in enumerate(fid):
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if txt_to_find in line:
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break
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else:
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assert False, ("Could not find '{}' in C file, "
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"wrong pxd used".format(txt_to_find))
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# import without adding the directory to sys.path
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suffix = sysconfig.get_config_var('EXT_SUFFIX')
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def load(modname):
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so = (target_dir / modname).with_suffix(suffix)
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spec = spec_from_file_location(modname, so)
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mod = module_from_spec(spec)
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spec.loader.exec_module(mod)
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return mod
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# test that the module can be imported
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load("extending")
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load("extending_cpp")
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# actually test the cython c-extension
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extending_distributions = load("extending_distributions")
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from numpy.random import PCG64
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values = extending_distributions.uniforms_ex(PCG64(0), 10, 'd')
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assert values.shape == (10,)
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assert values.dtype == np.float64
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@pytest.mark.skipif(numba is None or cffi is None,
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reason="requires numba and cffi")
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def test_numba():
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from numpy.random._examples.numba import extending # noqa: F401
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@pytest.mark.skipif(cffi is None, reason="requires cffi")
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def test_cffi():
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from numpy.random._examples.cffi import extending # noqa: F401
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