pythonPackages.pycapnp: refactor move to python-modules

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

@@ -0,0 +1,34 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, capnproto
+, cython
+, isPyPy
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "pycapnp";
+  version = "0.6.3";
+  disabled = isPyPy || isPy3k;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "b3c5a1fcc93fd02fdc070aeccb89654b87f20bdc740f643cc6378925ed6d4c17";
+  };
+
+  buildInputs = [ capnproto cython ];
+
+  # import setuptools as soon as possible, to minimize monkeypatching mayhem.
+  postConfigure = ''
+    sed -i '3iimport setuptools' setup.py
+  '';
+
+  meta = with stdenv.lib; {
+    maintainers = with maintainers; [ cstrahan ];
+    license = licenses.bsd2;
+    homepage = "http://jparyani.github.io/pycapnp/index.html";
+    broken = true; # 2018-04-11
+  };
+
+}