Remove the script and just ryzenadj directly.

modules/nixos/ryzenadj.nix

@@ -20,14 +20,10 @@
     # Setup python service for ryzenadj
     systemd.services.ryzenadj = {
       enable = true;
-
-      path = [pkgs.ryzenadj pkgs.python3];
-
       description = "Set my cpu power usage power to something more manageable.";
-      serviceConfig.Type = "simple";
-      script = "python ${./scripts/ryzenadj-service} --stapm-limit 30000 --fast-limit 30000 --slow-limit 30000 --slow-time 60 --stapm-time 1000 --tctl-temp 80 --vrmmax-current 50000";
-
+      serviceConfig.Type = "oneshot";
       wantedBy = ["multi-user.target"];
+      script = "${pkgs.ryzenadj}/bin/ryzenadj --stapm-limit 30000 --fast-limit 30000 --slow-limit 30000 --slow-time 60 --stapm-time 1000 --tctl-temp 85 --vrmmax-current 46000";
     };
   };
 }

modules/nixos/scripts/ryzenadj-service

@@ -1,118 +0,0 @@
-#!/bin/env python3
-
-import argparse
-import os
-import sys
-import time
-from ctypes import *
-
-lib_path = os.path.dirname(os.path.abspath(__file__))
-os.chdir(lib_path)
-
-lib = cdll.LoadLibrary("/usr/lib64/libryzenadj.so")
-
-# define ctype mappings for types which can not be mapped automatically
-# ryzenadj tables
-lib.init_ryzenadj.restype = c_void_p
-lib.refresh_table.argtypes = [c_void_p]
-# Stapm value and limit
-lib.get_stapm_limit.restype = c_float
-lib.get_stapm_limit.argtypes = [c_void_p]
-# Slow limit and value
-lib.get_slow_limit.restype = c_float
-lib.get_slow_limit.argtypes = [c_void_p]
-# Fast limit and value
-lib.get_fast_limit.restype = c_float
-lib.get_fast_limit.argtypes = [c_void_p]
-# Slow time and value
-lib.get_slow_time.restype = c_float
-lib.get_slow_time.argtypes = [c_void_p]
-# stapm time and value
-lib.get_stapm_time.restype = c_float
-lib.get_stapm_time.argtypes = [c_void_p]
-# Vrm Max Current and value
-lib.get_vrmmax_current.restype = c_float
-lib.get_vrmmax_current.argtypes = [c_void_p]
-# Tctl cpu temp
-lib.get_tctl_temp.restype = c_float
-lib.get_tctl_temp.argtypes = [c_void_p]
-
-ry = lib.init_ryzenadj()
-
-if not ry:
-    sys.exit("RyzenAdj could not get initialized")
-
-error_messages = {
-    -1: "{:s} is not supported on this family\n",
-    -3: "{:s} is not supported on this SMU\n",
-    -4: "{:s} is rejected by SMU\n",
-}
-
-
-def adjust(field, value):
-    function_name = "set_" + field
-    adjust_func = lib.__getattr__(function_name)
-    adjust_func.argtypes = [c_void_p, c_ulong]
-    res = adjust_func(ry, value)
-    if res:
-        error = error_messages.get(res, "{:s} did fail with {:d}\n")
-        sys.stderr.write(error.format(function_name, res))
-    else:
-        print(f"Succesfully set {field} to {value}")
-
-
-def enable(field):
-    function_name = "set_" + field
-    adjust_func = lib.__getattr__(function_name)
-    adjust_func.argtypes = [c_void_p]
-    res = adjust_func(ry)
-    if res:
-        error = error_messages.get(res, "{:s} did fail with {:d}\n")
-        sys.stderr.write(error.format(function_name, res))
-    else:
-        print(f"Sucessfully enable {field}")
-
-
-def set(args):
-    adjust("stapm_limit", args.stapm_limit)
-    adjust("fast_limit", args.fast_limit)
-    adjust("slow_limit", args.slow_limit)
-    adjust("slow_time", args.slow_time)
-    adjust("stapm_time", args.stapm_time)
-    adjust("tctl_temp", args.tctl_temp)
-    adjust("vrmmax_current", args.vrmmax_current)
-    enable("max_performance")
-
-
-def loop(args):
-    set(args)
-    while True:
-        lib.refresh_table(ry)
-        current = round(lib.get_tctl_temp(ry))
-        if current != 85:
-            set(args)
-        time.sleep(3)
-
-
-def parse_args():
-    parser = argparse.ArgumentParser(
-        prog="Ryzenadj Service",
-        description="Simple Ryzenadj python service to keep values set",
-    )
-    parser.add_argument("--stapm-limit", action="store", required=True, type=int)
-    parser.add_argument("--fast-limit", action="store", required=True, type=int)
-    parser.add_argument("--slow-limit", action="store", required=True, type=int)
-    parser.add_argument("--slow-time", action="store", required=True, type=int)
-    parser.add_argument("--stapm-time", action="store", required=True, type=int)
-    parser.add_argument("--tctl-temp", action="store", required=True, type=int)
-    parser.add_argument("--vrmmax-current", action="store", required=True, type=int)
-    return parser.parse_args()
-
-
-def main():
-    args = parse_args()
-    loop(args)
-
-
-if __name__ == "__main__":
-    main()