pythonPackages.pex: refactor move to python-modules

pkgs/development/python-modules/pex/default.nix

@@ -0,0 +1,29 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "pex";
+  version = "1.2.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1m0gx9182w1dybkyjwwjyd6i87x2dzv252ks2fj8yn6avlcp5z4q";
+  };
+
+  prePatch = ''
+    substituteInPlace setup.py --replace 'SETUPTOOLS_REQUIREMENT,' '"setuptools"'
+  '';
+
+  # A few more dependencies I don't want to handle right now...
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A library and tool for generating .pex (Python EXecutable) files";
+    homepage = "https://github.com/pantsbuild/pex";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ copumpkin ];
+  };
+
+}