1 files changed, 44 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/pymbolic/default.nix b/nixpkgs/pkgs/development/python-modules/pymbolic/default.nix
new file mode 100644
index 000000000000..0d13b377b13e
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pymbolic/default.nix
@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pytools
+, pytest
+, six
+, sympy
+, pexpect
+, symengine
+}:
+
+buildPythonPackage rec {
+  pname = "pymbolic";
+  version = "2018.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "a47d5524d6a3cdc8a028079ce632eeb45ceea7243272d234f250622087688207";
+  };
+
+  postConfigure = ''
+    substituteInPlace setup.py \
+      --replace "\"pytest>=2.3\"," ""
+  '';
+
+  checkInputs = [ sympy pexpect symengine pytest ];
+  propagatedBuildInputs = [
+    pytools
+    six
+  ];
+
+  # too many tests fail
+  doCheck = false;
+  checkPhase = ''
+    pytest test
+  '';
+
+  meta = with lib; {
+    description = "A package for symbolic computation";
+    homepage = https://mathema.tician.de/software/pymbolic;
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}