1 files changed, 37 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/python-snap7/default.nix b/nixpkgs/pkgs/development/python-modules/python-snap7/default.nix
new file mode 100644
index 00000000000..06e1185e343
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/python-snap7/default.nix
@@ -0,0 +1,37 @@
+{ lib, buildPythonPackage, snap7, fetchFromGitHub, six, setuptools }:
+
+buildPythonPackage rec {
+  pname = "python-snap7";
+  version = "0.11";
+
+  src = fetchFromGitHub {
+    owner = "gijzelaerr";
+    repo = "python-snap7";
+    rev = "899a94c6eeca76fb9b18afd5056e5003646d7f94";
+    sha256 = "169zd1nxq86nmi6132vxl1f6wxm9w3waihq2wn14kkmld1vkmvfd";
+  };
+
+  propagatedBuildInputs = [ setuptools six ];
+
+  prePatch = ''
+    substituteInPlace snap7/common.py \
+      --replace "lib_location = None" "lib_location = '${snap7}/lib/libsnap7.so'"
+  '';
+
+  # Tests require root privileges to open privilaged ports
+  # We cannot run them
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "snap7"
+    "snap7.six"
+    "snap7.util"
+  ];
+
+  meta = with lib; {
+    description = "Python wrapper for the snap7 PLC communication library ";
+    homepage = "https://github.com/gijzelaerr/python-snap7";
+    license = licenses.mit;
+    maintainers = with maintainers; [ freezeboy ];
+  };
+}