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from __future__ import division, absolute_import, print_function
from numpy.testing import assert_
import numpy.distutils.fcompiler
import os
customizable_flags = [
('f77', 'F77FLAGS'),
('f90', 'F90FLAGS'),
('free', 'FREEFLAGS'),
('arch', 'FARCH'),
('debug', 'FDEBUG'),
('flags', 'FFLAGS'),
('linker_so', 'LDFLAGS'),
]
def test_fcompiler_flags_override(monkeypatch):
monkeypatch.setitem(os.environ, 'NPY_DISTUTILS_APPEND_FLAGS', '0')
fc = numpy.distutils.fcompiler.new_fcompiler(compiler='none')
flag_vars = fc.flag_vars.clone(lambda *args, **kwargs: None)
for opt, envvar in customizable_flags:
new_flag = '-dummy-{}-flag'.format(opt)
prev_flags = getattr(flag_vars, opt)
monkeypatch.setitem(os.environ, envvar, new_flag)
new_flags = getattr(flag_vars, opt)
assert_(new_flags == [new_flag])
def test_fcompiler_flags_append(monkeypatch):
monkeypatch.setitem(os.environ, 'NPY_DISTUTILS_APPEND_FLAGS', '1')
fc = numpy.distutils.fcompiler.new_fcompiler(compiler='none')
flag_vars = fc.flag_vars.clone(lambda *args, **kwargs: None)
for opt, envvar in customizable_flags:
new_flag = '-dummy-{}-flag'.format(opt)
prev_flags = getattr(flag_vars, opt)
monkeypatch.setitem(os.environ, envvar, new_flag)
new_flags = getattr(flag_vars, opt)
if prev_flags is None:
assert_(new_flags == [new_flag])
else:
assert_(new_flags == prev_flags + [new_flag])
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