{stdenv, fetchurl, python, ZopeInterface}: stdenv.mkDerivation { name = "twisted-8.1.0"; src = fetchurl { url = http://tmrc.mit.edu/mirror/twisted/Twisted/8.1/Twisted-8.1.0.tar.bz2; sha256 = "0q25zbr4xzknaghha72mq57kh53qw1bf8csgp63pm9sfi72qhirl"; }; buildInputs = [python]; propagatedBuildInputs = [ZopeInterface]; installPhase = "PYTHONPATH=$(toPythonPath $out):$PYTHONPATH; python ./setup.py install --prefix=$out"; }