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82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
6 years ago
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from __future__ import division, absolute_import, print_function
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import pytest
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from numpy.testing import assert_, suppress_warnings
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import numpy.distutils.fcompiler
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customizable_flags = [
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('f77', 'F77FLAGS'),
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('f90', 'F90FLAGS'),
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('free', 'FREEFLAGS'),
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('arch', 'FARCH'),
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('debug', 'FDEBUG'),
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('flags', 'FFLAGS'),
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('linker_so', 'LDFLAGS'),
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]
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def test_fcompiler_flags(monkeypatch):
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monkeypatch.setenv('NPY_DISTUTILS_APPEND_FLAGS', '0')
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fc = numpy.distutils.fcompiler.new_fcompiler(compiler='none')
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flag_vars = fc.flag_vars.clone(lambda *args, **kwargs: None)
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for opt, envvar in customizable_flags:
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new_flag = '-dummy-{}-flag'.format(opt)
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prev_flags = getattr(flag_vars, opt)
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monkeypatch.setenv(envvar, new_flag)
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new_flags = getattr(flag_vars, opt)
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monkeypatch.delenv(envvar)
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assert_(new_flags == [new_flag])
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monkeypatch.setenv('NPY_DISTUTILS_APPEND_FLAGS', '1')
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for opt, envvar in customizable_flags:
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new_flag = '-dummy-{}-flag'.format(opt)
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prev_flags = getattr(flag_vars, opt)
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monkeypatch.setenv(envvar, new_flag)
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new_flags = getattr(flag_vars, opt)
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monkeypatch.delenv(envvar)
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if prev_flags is None:
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assert_(new_flags == [new_flag])
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else:
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assert_(new_flags == prev_flags + [new_flag])
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def test_fcompiler_flags_append_warning(monkeypatch):
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# Test to check that the warning for append behavior changing in future
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# is triggered. Need to use a real compiler instance so that we have
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# non-empty flags to start with (otherwise the "if var and append" check
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# will always be false).
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try:
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with suppress_warnings() as sup:
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sup.record()
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fc = numpy.distutils.fcompiler.new_fcompiler(compiler='gnu95')
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fc.customize()
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except numpy.distutils.fcompiler.CompilerNotFound:
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pytest.skip("gfortran not found, so can't execute this test")
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# Ensure NPY_DISTUTILS_APPEND_FLAGS not defined
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monkeypatch.delenv('NPY_DISTUTILS_APPEND_FLAGS', raising=False)
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for opt, envvar in customizable_flags:
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new_flag = '-dummy-{}-flag'.format(opt)
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with suppress_warnings() as sup:
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sup.record()
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prev_flags = getattr(fc.flag_vars, opt)
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monkeypatch.setenv(envvar, new_flag)
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with suppress_warnings() as sup:
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sup.record()
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new_flags = getattr(fc.flag_vars, opt)
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if prev_flags:
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# Check that warning was issued
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assert len(sup.log) == 1
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monkeypatch.delenv(envvar)
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assert_(new_flags == [new_flag])
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