drop aenum dependency

flake.nix

@@ -67,7 +67,6 @@
         propagatedBuildInputs =
           [ pkgs.qt6.qtbase ]
           ++ (with pkgs.python3Packages; [
-            aenum
             numpy
             pyqtgraph
             pyqt6
@@ -101,7 +100,7 @@
         buildInputs = with pkgs; [
           rust openocd dfu-util glibc
           ] ++ (with python3Packages; [
-            numpy matplotlib pyqtgraph setuptools pyqt6 qasync pglive aenum sipyco
+            numpy matplotlib pyqtgraph setuptools pyqt6 qasync pglive sipyco
           ]);
           shellHook=
           ''

pykirdy/pykirdy/aioclient.py

@@ -4,10 +4,23 @@ import json
 import logging
 import time
 from threading import Thread
-from aenum import StrEnum, NoAlias
+from enum import StrEnum, EnumType
 import queue
 import asyncio
 
+
+class NoAlias(EnumType):
+    def __call__(cls, value=None, *args, **kwargs):
+        if args == () and kwargs == {} and not isinstance(value, cls):
+            raise TypeError("NoAlias enumerations cannot be looked up by value")
+        return super().__call__(value, *args, **kwargs)
+
+
+class NoAliasStrEnum(StrEnum, metaclass=NoAlias):
+    """StrEnum that cannot be looked up by value."""
+    pass
+
+
 class _dt(StrEnum):
     ip_settings = "ip_settings"
     temp_adc_filter = "temp_adc_filter"
@@ -20,10 +33,10 @@ class State(StrEnum):
     connected = "connected"
 
 class CmdList:
-    class tec_set_i(StrEnum, settings=NoAlias):
+    class tec_set_i(NoAliasStrEnum):
         _target = "tec_set_i"
         tec_set_i = _dt.f32
-    class device(StrEnum, settings=NoAlias):
+    class device(NoAliasStrEnum):
         _target = "device_cmd"
         SetIPSettings = _dt.ip_settings
         SetPdFinGain = _dt.f32
@@ -37,7 +50,7 @@ class CmdList:
         LoadFlashSettings = _dt.none
         HardReset = _dt.none
 
-    class ld(StrEnum, settings=NoAlias):
+    class ld(NoAliasStrEnum):
         _target = "laser_diode_cmd"
         SetDefaultPowerOn = _dt.bool
         PowerUp = _dt.none
@@ -51,7 +64,7 @@ class CmdList:
         SetLdPwrLimit = _dt.f32
         ClearAlarm = _dt.none
 
-    class thermostat(StrEnum, settings=NoAlias):
+    class thermostat(NoAliasStrEnum):
         _target = "thermostat_cmd"
         SetDefaultPowerOn = _dt.bool,
         PowerUp = _dt.f32,

pykirdy/pyproject.toml

@@ -10,7 +10,6 @@ description = "Python utilities for the Sinara 1550 Kirdy"
 urls.Repository = "https://git.m-labs.hk/M-Labs/kirdy"
 license = {text = "GPLv3"}
 dependencies = [
-    "aenum >= 3.1.15",
     "numpy >= 2.0.0",
     "pyqtgraph >= 0.13.7",
     "pyqt6 >= 6.8.0",