v0.4.1

Not a "real" patch release but simply relaxing the minimal required
Python version to 3.11. To support 3.11 only minor changes had to be
made. But to provide the best experience for "upstream" users, the nix
package and AppImage will use 3.13 for best performance.

flake.nix

@@ -87,14 +87,15 @@
       # python = pkgs.python313;
 
       # Construct package set
-      pythonSetFor = eachSystem (
+      pythonSet311For = eachSystem (
         system:
         let
           # injecting cairosvg from upstream nixpkgs, as it is currently not
           # supported by the uv2nix_hammer project and is still in the todo list.
           # https://pyproject-nix.github.io/pyproject.nix/builders/hacks.html
           pkgs = pkgsFor.${system};
-          python = pkgs.python312;
+          # python = pkgs.python312;
+          python = pkgs.python311;
           hacks = pkgs.callPackage inputs.pyproject-nix.build.hacks { };
         in
         # Use base package set from pyproject.nix builders
@@ -108,11 +109,44 @@
               pyprojectOverrides
               (_final: prev: {
                 cairosvg = hacks.nixpkgsPrebuilt {
-                  from = pkgs.python312Packages.cairosvg;
+                  from = pkgs.python311Packages.cairosvg;
                   prev = prev.cairosvg;
                 };
                 cairocffi = hacks.nixpkgsPrebuilt {
-                  from = pkgs.python312Packages.cairocffi;
+                  from = pkgs.python311Packages.cairocffi;
+                  prev = prev.cairocffi;
+                };
+              })
+            ]
+          )
+      );
+      pythonSet313For = eachSystem (
+        system:
+        let
+          # injecting cairosvg from upstream nixpkgs, as it is currently not
+          # supported by the uv2nix_hammer project and is still in the todo list.
+          # https://pyproject-nix.github.io/pyproject.nix/builders/hacks.html
+          pkgs = pkgsFor.${system};
+          # python = pkgs.python312;
+          python = pkgs.python313;
+          hacks = pkgs.callPackage inputs.pyproject-nix.build.hacks { };
+        in
+        # Use base package set from pyproject.nix builders
+        (pkgs.callPackage inputs.pyproject-nix.build.packages {
+          inherit python;
+        }).overrideScope
+          (
+            lib.composeManyExtensions [
+              inputs.pyproject-build-systems.overlays.default
+              overlay
+              pyprojectOverrides
+              (_final: prev: {
+                cairosvg = hacks.nixpkgsPrebuilt {
+                  from = pkgs.python313Packages.cairosvg;
+                  prev = prev.cairosvg;
+                };
+                cairocffi = hacks.nixpkgsPrebuilt {
+                  from = pkgs.python313Packages.cairocffi;
                   prev = prev.cairocffi;
                 };
               })
@@ -137,11 +171,13 @@
         // self.packages.${system}
       );
 
+      # use the newest python version to build packages
+      # -> get the benefit of improvements to CPython for free.
       packages = eachSystem (
         system:
         let
           pkgs = pkgsFor.${system};
-          pythonSet = pythonSetFor.${system};
+          pythonSet = pythonSet313For.${system};
           version = (builtins.fromTOML (builtins.readFile ./pyproject.toml)).project.version;
         in
         rec {
@@ -247,11 +283,13 @@
       # This example provides two different modes of development:
       # - Impurely using uv to manage virtual environments
       # - Pure development using uv2nix to manage virtual environments
+      #
+      # Use Python311 (oldest supported Python) for local development and testing.
       devShells = eachSystem (
         system:
         let
           pkgs = pkgsFor.${system};
-          pythonSet = pythonSetFor.${system};
+          pythonSet = pythonSet311For.${system};
           lib = pkgs.lib;
         in
         {

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "isd-tui"
-requires-python = ">=3.12"
+requires-python = ">=3.11"
 license = "GPL-3.0-or-later"
 license-files = ["LICENSE"]
 readme = "README.md"
@@ -27,7 +27,7 @@ dependencies = [
     "pydantic>=2.10.4",
     "types-pyyaml>=6.0.12.20241221",
 ]
-version = "0.4.0"
+version = "0.4.1"
 
 # # versioningit was great in theory
 # # but it comes with too many issues for packaging
@@ -92,7 +92,7 @@ exclude = [
 "share/" = "share/"
 
 [tool.bumpversion]
-current_version = "0.4.0"
+current_version = "0.4.1"
 parse = """
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.
@@ -118,7 +118,7 @@ tag = false
 sign_tags = false
 tag_name = "v{new_version}"
 tag_message = "Bump version: {current_version} → {new_version}"
-allow_dirty = false
+allow_dirty = true
 commit = false
 message = "Bump version: {current_version} → {new_version}"
 moveable_tags = []

src/isd_tui/isd.py

@@ -29,7 +29,7 @@
 from enum import Enum, StrEnum, auto
 from functools import partial
 from itertools import chain, repeat
-from importlib.resources import as_file, files, as_file
+from importlib.resources import as_file, files
 from pathlib import Path
 from textwrap import dedent, indent
 from typing import (
@@ -88,7 +88,9 @@
 
 from . import __version__
 
-CSS_RESOURCE = files(__name__).joinpath("dom.tcss")
+# make type checker happy.
+assert __package__ is not None
+CSS_RESOURCE = files(__package__).joinpath("dom.tcss")
 
 with as_file(CSS_RESOURCE) as f:
     _CSS_RESOURCE_PATH = f
@@ -1775,11 +1777,11 @@ async def action_systemctl_command(self, unsplit_command: str) -> None:
         self.refresh()
 
     async def watch_mode(self, mode: str) -> None:
-        self.query_one(PreviewArea).mode = self.mode
+        self.query_one(PreviewArea).mode = mode
         # clear current selection
         sel = cast(SelectionList, self.query_one(SelectionList))
         sel.deselect_all()
-        self.query_one(Fluid).border_title = " " + self.mode + " "
+        self.query_one(Fluid).border_title = " " + mode + " "
         await self.new_unit_to_state_dict()
         # self.query_one(Vertical).border_title = self.mode
         # await self.update_unit_to_state_dict()
@@ -1936,7 +1938,7 @@ def on_input_changed(self, event: CustomInput.Changed) -> None:
         self.search_term = event.value
         self.debounced_search_units(self.search_term)
 
-    def on_input_submitted(self, value: CustomInput.Submitted) -> None:
+    def on_input_submitted(self, _: CustomInput.Submitted) -> None:
         sel = self.query_one(CustomSelectionList)
         sel.focus()
 
@@ -2059,7 +2061,7 @@ async def refresh_selection(self) -> None:
                 initial_state=d["value"] in prev_selected,
                 id=d["value"],
             )
-            for i, d in enumerate(match_dicts)
+            for d in match_dicts
         ]
         matched_units = [d["value"] for d in match_dicts]
         # first show the now "unmatched" selected units,
@@ -2227,7 +2229,7 @@ def __init__(self, *args, **kwargs):
             self.settings = Settings()
             self.settings_error = None
         except Exception as e:
-            self.settings = Settings.construct()
+            self.settings = Settings.model_construct()
             self.settings_error = e
         # only show the following bindings in the footer
         show_bindings = ["toggle_systemctl_modal"]
@@ -2475,7 +2477,7 @@ def render_model_as_yaml(model: Settings) -> str:
     """
     text = ""
     model_fields = model.model_fields
-    for key, value in model.model_dump().items():
+    for key in model.model_dump().keys():
         field = model_fields[key]
         text += render_field(key, field)
     return text