pythonPackages.celery: 4.0.2 -> 4.1.0

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

@@ -0,0 +1,30 @@
+{ stdenv, buildPythonPackage, fetchPypi, iana-etc, libredirect,
+  pytest, case, kombu, billiard, pytz, anyjson, amqp, eventlet
+}: 
+buildPythonPackage rec {
+  pname = "celery";
+  version = "4.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0dcb0s6kdcd3vc9pwvazngppkdbhwpmpjmghq6rifsld34q3gzvp";
+  };
+
+  # make /etc/protocols accessible to fix socket.getprotobyname('tcp') in sandbox
+  preCheck = ''
+    export NIX_REDIRECTS=/etc/protocols=${iana-etc}/etc/protocols \
+      LD_PRELOAD=${libredirect}/lib/libredirect.so
+  '';
+  postCheck = ''
+    unset NIX_REDIRECTS LD_PRELOAD
+  '';
+
+  buildInputs = [ pytest case ];
+  propagatedBuildInputs = [ kombu billiard pytz anyjson amqp eventlet ];
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/celery/celery/;
+    description = "Distributed task queue";
+    license = licenses.bsd3;
+  };
+}