diff --git a/nix/sources.json b/nix/sources.json

index 9a76c67221967f47fbfc2bfba62f489b7da7d524..eecc69aff3ddffb882ee2dd14198d551cc0f1795 100644

--- a/nix/sources.json

+++ b/nix/sources.json

@@ -1,4 +1,18 @@

{

• "bson": {

•    "branch": "master",
  

•    "builtin": false,
  

•    "date": "2020-05-26T11:13:32Z",
  

•    "description": "Independent BSON codec for Python that doesn't depend on MongoDB",
  

•    "homepage": "https://github.com/py-bson/bson",
  

•    "owner": "py-bson",
  

•    "repo": "bson",
  

•    "rev": "a68073661c637051985f3d0c24b8c7828a4c3ff4",
  

•    "sha256": "0gh0kbblmxnidr9xp05d8nlfjna7461bxx82l82mwwz1a7i7x36d",
  

•    "type": "tarball",
  

•    "url": "https://github.com/py-bson/bson/archive/a68073661c637051985f3d0c24b8c7828a4c3ff4.tar.gz",
  

•    "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
  

• },

 "cfiles": {

     "branch": "master",

     "builtin": false,

diff --git a/pkgs/default.nix b/pkgs/default.nix

index 9b4c3bdfdaef3ee97698fd125c7eaabee8075865..783b18009c04ccd4989902eb9dd265fa179e232f 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -118,6 +118,7 @@ };

 ### DEVELOPMENT / PYTHON MODULES

• bson = callPackage ./development/python-modules/bson { };

 cheetah3 = callPackage ./development/python-modules/cheetah3 { };

 click-6-7 = callPackage ./development/python-modules/click { };

 gpxelevations = callPackage ./development/python-modules/gpxelevations { };

diff --git a/pkgs/development/python-modules/bson/default.nix b/pkgs/development/python-modules/bson/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..4711b2fa443afa54bd985dc56083c599b5aefa13

--- /dev/null

+++ b/pkgs/development/python-modules/bson/default.nix

@@ -0,0 +1,17 @@

+{ lib, python3Packages, sources }:

+python3Packages.buildPythonPackage {

• pname = "bson-unstable";

• version = lib.substring 0 10 sources.bson.date;

• src = sources.bson;

• propagatedBuildInputs = with python3Packages; [ python-dateutil six ];

• meta = with lib; {

• inherit (sources.bson) description homepage;

• license = with licenses; [ bsd3 asl20 ];

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.unix;

• };

+}