pythonPackages.datrie: Move to own file

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

@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, pytest, pytestrunner, hypothesis}:
+
+buildPythonPackage rec {
+  pname = "datrie";
+  version = "0.7.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "08r0if7dry2q7p34gf7ffyrlnf4bdvnprxgydlfxgfnvq8f3f4bs";
+  };
+
+  buildInputs = [ pytest pytestrunner hypothesis ];
+
+  meta = with stdenv.lib; {
+    description = "Super-fast, efficiently stored Trie for Python";
+    homepage = "https://github.com/kmike/datrie";
+    license = licenses.lgpl2;
+    maintainers = with maintainers; [ lewo ];
+  };
+}