firedrake: Initial packaging

firedrake/tsfc.nix

@@ -0,0 +1,38 @@
+with import <nixpkgs> {};
+
+let
+
+  coffee = import ./coffee.nix;
+  ufl    = import ./ufl.nix;
+  fiat   = import ./fiat.nix;
+  finat  = import ./finat.nix;
+
+in
+
+  python27Packages.buildPythonPackage rec {
+    version = "ee5670ab1ad90aaf8f550de01255c6752583255d";
+    name = "firedrake-tsfc-${version}";
+
+    src = fetchFromGitHub {
+      owner = "firedrakeproject";
+      repo = "tsfc";
+      rev = "${version}";
+      sha256 = "07v5v1nhcywn2rpdr0380ck120ppzlvpfknmjh1rss6xkzf2s9lf";
+    };
+
+    propagatedBuildInputs = [
+      python27Packages.numpy
+      python27Packages.singledispatch
+      python27Packages.six
+      coffee
+      ufl
+      fiat
+      finat
+    ];
+
+    meta = {
+      homepage = "https://github.com/firedrakeproject/tsfc";
+      description = "Form compiler for the Firedrake project.";
+      license = licenses.gpl3;
+    };
+  }