1{ lib
2, buildPythonPackage
3, fetchPypi
4, python
5, numpy
6}:
7
8buildPythonPackage rec {
9 pname = "numexpr";
10 version = "2.7.1";
11
12 src = fetchPypi {
13 inherit pname version;
14 sha256 = "1c82z0zx0542j9df6ckjz6pn1g13b21hbza4hghcw6vyhbckklmh";
15 };
16
17 # Remove existing site.cfg, use the one we built for numpy.
18 preBuild = ''
19 ln -s ${numpy.cfg} site.cfg
20 '';
21
22 propagatedBuildInputs = [ numpy ];
23
24 # Run the test suite.
25 # It requires the build path to be in the python search path.
26 checkPhase = ''
27 pushd $out
28 ${python}/bin/${python.executable} <<EOF
29 import sys
30 import numexpr
31 r = numexpr.test()
32 if not r.wasSuccessful():
33 sys.exit(1)
34 EOF
35 popd
36 '';
37
38 meta = {
39 description = "Fast numerical array expression evaluator for NumPy";
40 homepage = "https://github.com/pydata/numexpr";
41 license = lib.licenses.mit;
42 };
43}