diff --git a/pkgs/development/python-modules/ua-parser/default.nix b/pkgs/development/python-modules/ua-parser/default.nix
new file mode 100644
index 00000000000..1b397f6c737
--- /dev/null
+++ b/pkgs/development/python-modules/ua-parser/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, buildPythonPackage, fetchPypi, pyyaml }:
+
+buildPythonPackage rec {
+  pname = "ua-parser";
+  version = "0.7.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1p8siba0rnb5nsl354fd5fc4751d5ybw7hgnd56yn8dncxdb1bqa";
+  };
+
+  buildInputs = [ pyyaml ];
+
+  doCheck = false; # requires files from uap-core
+
+  meta = with stdenv.lib; {
+    description = "A python implementation of the UA Parser";
+    homepage = https://github.com/ua-parser/uap-python;
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/development/python-modules/user-agents/default.nix b/pkgs/development/python-modules/user-agents/default.nix
new file mode 100644
index 00000000000..6b14eebb310
--- /dev/null
+++ b/pkgs/development/python-modules/user-agents/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, buildPythonPackage, fetchFromGitHub, ua-parser }:
+
+buildPythonPackage rec {
+  pname = "user-agents";
+  version = "1.1.0";
+
+  # PyPI is missing devices.json
+  src = fetchFromGitHub {
+    owner = "selwin";
+    repo = "python-user-agents";
+    rev = "v${version}";
+    sha256 = "14kxd780zhp8718xr1z63xffaj3bvxgr4pldh9sv943m4hvi0gw5";
+  };
+
+  propagatedBuildInputs = [ ua-parser ];
+
+  meta = with stdenv.lib; {
+    description = "A Python library to identify devices by parsing user agent strings";
+    homepage = https://github.com/selwin/python-user-agents;
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ecda0c56cea..197d4599b28 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18134,6 +18134,8 @@ in {
 
   u-msgpack-python = callPackage ../development/python-modules/u-msgpack-python { };
 
+  ua-parser = callPackage ../development/python-modules/ua-parser { };
+
   ukpostcodeparser = callPackage ../development/python-modules/ukpostcodeparser { };
 
   umalqurra = buildPythonPackage rec {
@@ -18354,6 +18356,8 @@ in {
     };
   };
 
+  user-agents = callPackage ../development/python-modules/user-agents { };
+
   pyuv = buildPythonPackage rec {
     name = "pyuv-1.2.0";
     disabled = isPyPy;  # see https://github.com/saghul/pyuv/issues/49