pythonPackages.trezor: move expression to trezor/default.nix

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

@@ -0,0 +1,26 @@
+{ lib, fetchPypi, buildPythonPackage, protobuf3_0, hidapi, ecdsa, mnemonic }:
+
+buildPythonPackage rec {
+  name = "${pname}-${version}";
+  pname = "trezor";
+  version = "0.7.13";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "d05f388bb56b6f61cc727999cc725078575238a0b6172450322bc55c437fefe5";
+  };
+
+  propagatedBuildInputs = [ protobuf3_0 hidapi ];
+
+  buildInputs = [ ecdsa mnemonic ];
+
+  # There are no actual tests: "ImportError: No module named tests"
+  doCheck = false;
+
+  meta = {
+    description = "Python library for communicating with TREZOR Bitcoin Hardware Wallet";
+    homepage = https://github.com/trezor/python-trezor;
+    license = lib.licenses.gpl3;
+    maintainers = with lib.maintainers; [ np ];
+  };
+}