comparison DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/linalg/tests/test_build.py @ 87:2a2c65a20a8b

Add Python libs and headers

+from __future__ import division, absolute_import, print_function
+
+from subprocess import call, PIPE, Popen
+import sys
+import re
+
+import numpy as np
+from numpy.linalg import lapack_lite
+from numpy.testing import TestCase, dec
+
+from numpy.compat import asbytes_nested
+
+class FindDependenciesLdd(object):
+    def __init__(self):
+        self.cmd = ['ldd']
+
+        try:
+            p = Popen(self.cmd, stdout=PIPE, stderr=PIPE)
+            stdout, stderr = p.communicate()
+        except OSError:
+            raise RuntimeError("command %s cannot be run" % self.cmd)
+
+    def get_dependencies(self, lfile):
+        p = Popen(self.cmd + [lfile], stdout=PIPE, stderr=PIPE)
+        stdout, stderr = p.communicate()
+        if not (p.returncode == 0):
+            raise RuntimeError("failed dependencies check for %s" % lfile)
+
+        return stdout
+
+    def grep_dependencies(self, lfile, deps):
+        stdout = self.get_dependencies(lfile)
+
+        rdeps = dict([(dep, re.compile(dep)) for dep in deps])
+        founds = []
+        for l in stdout.splitlines():
+            for k, v in rdeps.items():
+                if v.search(l):
+                    founds.append(k)
+
+        return founds
+
+class TestF77Mismatch(TestCase):
+    @dec.skipif(not(sys.platform[:5] == 'linux'),
+                "Skipping fortran compiler mismatch on non Linux platform")
+    def test_lapack(self):
+        f = FindDependenciesLdd()
+        deps = f.grep_dependencies(lapack_lite.__file__,
+                                   asbytes_nested(['libg2c', 'libgfortran']))
+        self.assertFalse(len(deps) > 1,
+"""Both g77 and gfortran runtimes linked in lapack_lite ! This is likely to
+cause random crashes and wrong results. See numpy INSTALL.txt for more
+information.""")