75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
'''Tests for numpy.distutils.build_ext.'''
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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 indent, dedent
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import pytest
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from numpy.testing import IS_WASM
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@pytest.mark.skipif(IS_WASM, reason="cannot start subprocess in wasm")
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@pytest.mark.slow
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def test_multi_fortran_libs_link(tmp_path):
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'''
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Ensures multiple "fake" static libraries are correctly linked.
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see gh-18295
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'''
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# We need to make sure we actually have an f77 compiler.
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# This is nontrivial, so we'll borrow the utilities
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# from f2py tests:
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from numpy.distutils.tests.utilities import has_f77_compiler
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if not has_f77_compiler():
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pytest.skip('No F77 compiler found')
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# make some dummy sources
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with open(tmp_path / '_dummy1.f', 'w') as fid:
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fid.write(indent(dedent('''\
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FUNCTION dummy_one()
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RETURN
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END FUNCTION'''), prefix=' '*6))
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with open(tmp_path / '_dummy2.f', 'w') as fid:
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fid.write(indent(dedent('''\
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FUNCTION dummy_two()
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RETURN
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END FUNCTION'''), prefix=' '*6))
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with open(tmp_path / '_dummy.c', 'w') as fid:
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# doesn't need to load - just needs to exist
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fid.write('int PyInit_dummyext;')
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# make a setup file
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with open(tmp_path / 'setup.py', 'w') as fid:
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srctree = os.path.join(os.path.dirname(__file__), '..', '..', '..')
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fid.write(dedent(f'''\
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def configuration(parent_package="", top_path=None):
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from numpy.distutils.misc_util import Configuration
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config = Configuration("", parent_package, top_path)
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config.add_library("dummy1", sources=["_dummy1.f"])
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config.add_library("dummy2", sources=["_dummy2.f"])
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config.add_extension("dummyext", sources=["_dummy.c"], libraries=["dummy1", "dummy2"])
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return config
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if __name__ == "__main__":
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import sys
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sys.path.insert(0, r"{srctree}")
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from numpy.distutils.core import setup
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setup(**configuration(top_path="").todict())'''))
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# build the test extension and "install" into a temporary directory
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build_dir = tmp_path
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subprocess.check_call([sys.executable, 'setup.py', 'build', 'install',
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'--prefix', str(tmp_path / 'installdir'),
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'--record', str(tmp_path / 'tmp_install_log.txt'),
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],
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cwd=str(build_dir),
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)
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# get the path to the so
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so = None
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with open(tmp_path /'tmp_install_log.txt') as fid:
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for line in fid:
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if 'dummyext' in line:
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so = line.strip()
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break
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assert so is not None
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