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43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
5 years ago
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import shutil
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import subprocess
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import sys
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import pytest
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from numpy.distutils import mingw32ccompiler
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@pytest.mark.skipif(sys.platform != 'win32', reason='win32 only test')
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def test_build_import():
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'''Test the mingw32ccompiler.build_import_library, which builds a
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`python.a` from the MSVC `python.lib`
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'''
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# make sure `nm.exe` exists and supports the current python version. This
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# can get mixed up when the PATH has a 64-bit nm but the python is 32-bit
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try:
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out = subprocess.check_output(['nm.exe', '--help'])
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except FileNotFoundError:
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pytest.skip("'nm.exe' not on path, is mingw installed?")
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supported = out[out.find(b'supported targets:'):]
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if sys.maxsize < 2**32:
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if b'pe-i386' not in supported:
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raise ValueError("'nm.exe' found but it does not support 32-bit "
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"dlls when using 32-bit python. Supported "
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"formats: '%s'" % supported)
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elif b'pe-x86-64' not in supported:
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raise ValueError("'nm.exe' found but it does not support 64-bit "
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"dlls when using 64-bit python. Supported "
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"formats: '%s'" % supported)
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# Hide the import library to force a build
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has_import_lib, fullpath = mingw32ccompiler._check_for_import_lib()
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if has_import_lib:
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shutil.move(fullpath, fullpath + '.bak')
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try:
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# Whew, now we can actually test the function
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mingw32ccompiler.build_import_library()
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finally:
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if has_import_lib:
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shutil.move(fullpath + '.bak', fullpath)
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