57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
from __future__ import division, print_function, absolute_import
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from subprocess import call, PIPE, Popen
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import sys
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import re
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import pytest
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from numpy.testing import assert_
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from numpy.compat import asbytes
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from scipy.linalg import _flapack as flapack
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# XXX: this is copied from numpy trunk. Can be removed when we will depend on
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# numpy 1.3
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class FindDependenciesLdd:
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def __init__(self):
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self.cmd = ['ldd']
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try:
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st = call(self.cmd, stdout=PIPE, stderr=PIPE)
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except OSError:
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raise RuntimeError("command %s cannot be run" % self.cmd)
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def get_dependencies(self, file):
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p = Popen(self.cmd + [file], stdout=PIPE, stderr=PIPE)
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stdout, stderr = p.communicate()
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if not (p.returncode == 0):
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raise RuntimeError("Failed to check dependencies for %s" % file)
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return stdout
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def grep_dependencies(self, file, deps):
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stdout = self.get_dependencies(file)
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rdeps = dict([(asbytes(dep), re.compile(asbytes(dep))) for dep in deps])
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founds = []
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for l in stdout.splitlines():
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for k, v in rdeps.items():
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if v.search(l):
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founds.append(k)
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return founds
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class TestF77Mismatch(object):
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@pytest.mark.skipif(not(sys.platform[:5] == 'linux'),
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reason="Skipping fortran compiler mismatch on non Linux platform")
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def test_lapack(self):
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f = FindDependenciesLdd()
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deps = f.grep_dependencies(flapack.__file__,
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['libg2c', 'libgfortran'])
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assert_(not (len(deps) > 1),
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"""Both g77 and gfortran runtimes linked in scipy.linalg.flapack ! This is
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likely to cause random crashes and wrong results. See numpy INSTALL.rst.txt for
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more information.""")
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