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