···

       
1
       
1
       
+
       
--- numpy/lib/tests/test_format.py	2015-08-11 12:03:43.000000000 -0500

     

       
2
       
2
       
+
       
+++ numpy/lib/tests/test_format_no_large_files.py	2015-11-03 16:03:30.328084827 -0600

     

       
3
       
3
       
+
       
@@ -810,32 +810,5 @@

     

       
4
       
4
       
+
       
     format.write_array_header_1_0(s, d)

     

       
5
       
5
       
+
       
     assert_raises(ValueError, format.read_array_header_1_0, s)

     

       
6
       
6
       
+
       
 

     

       
7
       
7
       
+
       
-

     

       
8
       
8
       
+
       
-def test_large_file_support():

     

       
9
       
9
       
+
       
-    from nose import SkipTest

     

       
10
       
10
       
+
       
-    if (sys.platform == 'win32' or sys.platform == 'cygwin'):

     

       
11
       
11
       
+
       
-        raise SkipTest("Unknown if Windows has sparse filesystems")

     

       
12
       
12
       
+
       
-    # try creating a large sparse file

     

       
13
       
13
       
+
       
-    tf_name = os.path.join(tempdir, 'sparse_file')

     

       
14
       
14
       
+
       
-    try:

     

       
15
       
15
       
+
       
-        # seek past end would work too, but linux truncate somewhat

     

       
16
       
16
       
+
       
-        # increases the chances that we have a sparse filesystem and can

     

       
17
       
17
       
+
       
-        # avoid actually writing 5GB

     

       
18
       
18
       
+
       
-        import subprocess as sp

     

       
19
       
19
       
+
       
-        sp.check_call(["truncate", "-s", "5368709120", tf_name])

     

       
20
       
20
       
+
       
-    except:

     

       
21
       
21
       
+
       
-        raise SkipTest("Could not create 5GB large file")

     

       
22
       
22
       
+
       
-    # write a small array to the end

     

       
23
       
23
       
+
       
-    with open(tf_name, "wb") as f:

     

       
24
       
24
       
+
       
-        f.seek(5368709120)

     

       
25
       
25
       
+
       
-        d = np.arange(5)

     

       
26
       
26
       
+
       
-        np.save(f, d)

     

       
27
       
27
       
+
       
-    # read it back

     

       
28
       
28
       
+
       
-    with open(tf_name, "rb") as f:

     

       
29
       
29
       
+
       
-        f.seek(5368709120)

     

       
30
       
30
       
+
       
-        r = np.load(f)

     

       
31
       
31
       
+
       
-    assert_array_equal(r, d)

     

       
32
       
32
       
+
       
-

     

       
33
       
33
       
+
       
-

     

       
34
       
34
       
+
       
 if __name__ == "__main__":

     

       
35
       
35
       
+
       
     run_module_suite()

     

···

       
10455
       
10455
       
 
       
    buildInputs = [ pkgs.gfortran self.nose ];

     

       
10456
       
10456
       
 
       
    propagatedBuildInputs = [ support.openblas ];

     

       
10457
       
10457
       
 
       


     

       
10458
       
10458
       
+
       
    # This patch removes the test of large file support, which takes forever

     

       
10459
       
10459
       
+
       
    # and can cause the machine to run out of disk space when run.

     

       
10460
       
10460
       
+
       
    patchPhase = ''

     

       
10461
       
10461
       
+
       
      patch -p0 < ${../development/python-modules/numpy-no-large-files.patch}

     

       
10462
       
10462
       
+
       
    '';

     

       
10463
       
10463
       
+
       


     

       
10458
       
10464
       
 
       
    meta = {

     

       
10459
       
10465
       
 
       
      description = "Scientific tools for Python";

     

       
10460
       
10466
       
 
       
      homepage = "http://numpy.scipy.org/";