mirror of
https://github.com/pybind/pybind11.git
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b11ff912a6
On Unix, setuptools prepends $CFLAGS and $CPPFLAGS to the compiler flags (they always come before extra_compile_args and anything else; see distutils.sysconfig.customize_compiler). In practice, the environment variables are useful e.g. to quickly generate a debug build (e.g. by setting CFLAGS=-g), but Pybind11Extension currently unconditionally overwrites this with -g0. Instead, check the environment variables and only insert -g0 if not overridden by them.
152 lines
4.1 KiB
Python
152 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import subprocess
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import sys
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from textwrap import dedent
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import pytest
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DIR = os.path.abspath(os.path.dirname(__file__))
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MAIN_DIR = os.path.dirname(os.path.dirname(DIR))
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WIN = sys.platform.startswith("win32") or sys.platform.startswith("cygwin")
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@pytest.mark.parametrize("parallel", [False, True])
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@pytest.mark.parametrize("std", [11, 0])
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def test_simple_setup_py(monkeypatch, tmpdir, parallel, std):
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monkeypatch.chdir(tmpdir)
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monkeypatch.syspath_prepend(MAIN_DIR)
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(tmpdir / "setup.py").write_text(
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dedent(
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u"""\
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import sys
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sys.path.append({MAIN_DIR!r})
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from setuptools import setup, Extension
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from pybind11.setup_helpers import build_ext, Pybind11Extension
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std = {std}
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ext_modules = [
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Pybind11Extension(
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"simple_setup",
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sorted(["main.cpp"]),
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cxx_std=std,
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),
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]
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cmdclass = dict()
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if std == 0:
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cmdclass["build_ext"] = build_ext
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parallel = {parallel}
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if parallel:
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from pybind11.setup_helpers import ParallelCompile
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ParallelCompile().install()
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setup(
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name="simple_setup_package",
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cmdclass=cmdclass,
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ext_modules=ext_modules,
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)
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"""
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).format(MAIN_DIR=MAIN_DIR, std=std, parallel=parallel),
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encoding="ascii",
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)
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(tmpdir / "main.cpp").write_text(
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dedent(
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u"""\
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#include <pybind11/pybind11.h>
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int f(int x) {
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return x * 3;
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}
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PYBIND11_MODULE(simple_setup, m) {
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m.def("f", &f);
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}
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"""
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),
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encoding="ascii",
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)
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out = subprocess.check_output(
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[sys.executable, "setup.py", "build_ext", "--inplace"],
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)
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if not WIN:
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assert b"-g0" in out
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out = subprocess.check_output(
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[sys.executable, "setup.py", "build_ext", "--inplace", "--force"],
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env=dict(os.environ, CFLAGS="-g"),
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)
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if not WIN:
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assert b"-g0" not in out
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# Debug helper printout, normally hidden
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print(out)
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for item in tmpdir.listdir():
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print(item.basename)
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assert (
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len([f for f in tmpdir.listdir() if f.basename.startswith("simple_setup")]) == 1
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)
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assert len(list(tmpdir.listdir())) == 4 # two files + output + build_dir
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(tmpdir / "test.py").write_text(
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dedent(
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u"""\
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import simple_setup
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assert simple_setup.f(3) == 9
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"""
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),
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encoding="ascii",
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)
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subprocess.check_call(
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[sys.executable, "test.py"], stdout=sys.stdout, stderr=sys.stderr
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)
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def test_intree_extensions(monkeypatch, tmpdir):
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monkeypatch.syspath_prepend(MAIN_DIR)
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from pybind11.setup_helpers import intree_extensions
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monkeypatch.chdir(tmpdir)
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root = tmpdir
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root.ensure_dir()
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subdir = root / "dir"
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subdir.ensure_dir()
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src = subdir / "ext.cpp"
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src.ensure()
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(ext,) = intree_extensions([src.relto(tmpdir)])
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assert ext.name == "ext"
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subdir.ensure("__init__.py")
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(ext,) = intree_extensions([src.relto(tmpdir)])
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assert ext.name == "dir.ext"
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def test_intree_extensions_package_dir(monkeypatch, tmpdir):
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monkeypatch.syspath_prepend(MAIN_DIR)
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from pybind11.setup_helpers import intree_extensions
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monkeypatch.chdir(tmpdir)
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root = tmpdir / "src"
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root.ensure_dir()
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subdir = root / "dir"
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subdir.ensure_dir()
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src = subdir / "ext.cpp"
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src.ensure()
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(ext,) = intree_extensions([src.relto(tmpdir)], package_dir={"": "src"})
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assert ext.name == "dir.ext"
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(ext,) = intree_extensions([src.relto(tmpdir)], package_dir={"foo": "src"})
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assert ext.name == "foo.dir.ext"
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subdir.ensure("__init__.py")
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(ext,) = intree_extensions([src.relto(tmpdir)], package_dir={"": "src"})
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assert ext.name == "dir.ext"
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(ext,) = intree_extensions([src.relto(tmpdir)], package_dir={"foo": "src"})
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assert ext.name == "foo.dir.ext"
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