feat: immutable decorator

fix: legacy version file

DEVELOPERS.md

@@ -5,7 +5,7 @@
 ### Fetch submodules
 git submodule update --recursive --init
 
-### Install with dev dependencies
+### Install into editable venv with dev dependencies
 uv pip install -e '.[dev]'
 
 This includes all dependencies for building, linting, testing, and checking in code.
@@ -16,7 +16,7 @@ docs: documentation tools
 lint: code linting, fixing, and type checking
 test: unit and integration tests
 
-## Miscellaneous
+## Build process
 
 ### Setting up precommit hooks
 pre-commit install
@@ -25,6 +25,7 @@ pre-commit install
 sphinx-build -M html source build -a
 
 ### Building standalone release binaries
-1. Set up the build target: `rustup target add x86_64-unknown-linux-musl`
-2. Run `python3 scripts/release.py`
-3. Generate a release and tag against the resulting tarfile generated in `dist`
+1. Install the applicable system package containing the 'musl-gcc' wrapper
+2. Set up the build target: `rustup target add x86_64-unknown-linux-musl`
+3. Run `python3 scripts/release.py`
+4. Generate a release and tag against the resulting tarfile generated in `dist`

dzgui/api/mods.py

@@ -2,9 +2,9 @@ import hashlib
 import logging
 import re
 
-from concurrent.futures import wait
-from concurrent.futures import ThreadPoolExecutor
+from concurrent.futures import ThreadPoolExecutor, wait
 from pathlib import Path
+from typing import Any
 
 from dzgui.api.steam import get_app_path
 from dzgui.api.servers import get_rules, fqip_to_record
@@ -17,8 +17,7 @@ from dzgui.const.constants import (
 
 from dzgui.config.query import lookup
 from dzgui.const.enum import Preferences
-
-from typing import Any
+from dzgui.init.migrate import clean_legacy_versions_file
 
 logger = logging.getLogger(APP_NAME)
 
@@ -116,10 +115,12 @@ def remove_stale_signatures(
     config: Path, versions: Path, ids: list[int] | None = None
 ) -> None:
     if versions.is_file() is False:
-        logger.warning("Creating new version signatures file")
+        logger.debug("Creating new version signatures file")
         versions.touch()
         return
 
+    clean_legacy_versions_file(versions)
+
     path = lookup(config, Preferences.DEFAULT)
     steam_path = Path(path)
     if ids is None:

dzgui/app_init.py

@@ -6,7 +6,6 @@ from importlib import resources
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-
 from dzgui.const.constants import (
     APP_NAME,
     APP_NAME_LOWER,
@@ -18,8 +17,8 @@ from dzgui.config.query import lookup
 from dzgui.config.userprefs import UserPrefs
 from dzgui.config.xdg import get_xdg_paths, parse_filepaths
 from dzgui.init.migrate import (
-    has_new_config,
     copy_state_files,
+    has_new_config,
     migrate_cols_file,
 )
 from dzgui.init.prereqs import has_flatpak_client, has_steam_client
@@ -107,7 +106,7 @@ def load_steam_icon() -> None:
     import gi
 
     gi.require_version("Gtk", "3.0")
-    from gi.repository import Gtk  # noqa
+    from gi.repository import Gtk
 
     try:
         traversable = resources.files(APP_NAME_LOWER).joinpath(ICONS_PATH)

dzgui/config/userprefs.py

@@ -6,7 +6,8 @@ if TYPE_CHECKING:
     from dzgui.util.ip import Coords
 
 
-# NOTE: mutable dataclass, 'use_miles' key changes on demand
+# NOTE: mutable dataclass: 'use_miles' key changes on demand
+# 'frozen' cannot be True
 @dataclass(slots=True)
 class UserPrefs:
     is_steam_deck: bool

dzgui/config/xdg.py

@@ -12,7 +12,7 @@ from dzgui.const.constants import (
 from dzgui.init.proc import is_sandboxed
 
 
-@dataclass
+@dataclass(slots=True, frozen=True)
 class Xdg:
     config: Path
     columns: Path

dzgui/controllers/mc.py

@@ -1,11 +1,11 @@
+import gi
 import logging
 import threading
 
 from typing import Any, TYPE_CHECKING, Union
 
-import dzgui.util._json as JSON  # noqa
-
-
+from dzgui.config.userprefs import UserPrefs
+from dzgui.const.constants import APP_NAME
 from dzgui.const.enum import (
     ButtonType,
     ContextMenuItem,
@@ -14,9 +14,6 @@ from dzgui.const.enum import (
     Preferences,
     ServerTab,
 )
-
-from dzgui.config.userprefs import UserPrefs
-from dzgui.const.constants import APP_NAME
 from dzgui.controllers.emitter import Emitter
 from dzgui.managers.config import ConfigManager
 from dzgui.managers.connection import ConnectionManager
@@ -29,8 +26,6 @@ from dzgui.util.open_links import open_user_workshop, open_workshop_page
 from dzgui.views.dialogs.filepicker import FilePicker
 from dzgui.views.dialogs.generic import ExceptionDialog
 
-import gi
-
 gi.require_version("Gtk", "3.0")
 from gi.repository import Gtk, Gdk, GLib, GObject
 

dzgui/init/migrate.py

@@ -1,12 +1,21 @@
 import json
+import logging
+import re
 import shutil
 
 from pathlib import Path
 from typing import Any
-from dzgui.const.constants import LEGACY_CONFIG_PATH, LEGACY_COLS_PATH, LEGACY_IPS_PATH
+from dzgui.const.constants import (
+    APP_NAME,
+    LEGACY_CONFIG_PATH,
+    LEGACY_COLS_PATH,
+    LEGACY_IPS_PATH,
+)
 from dzgui.config.convert import rc2json
 from dzgui.util._json import read_json, write_json
 
+logger = logging.getLogger(APP_NAME)
+
 
 def migrate_legacy_conf(config: Path) -> Any:
     old_conf = Path.home() / LEGACY_CONFIG_PATH
@@ -70,3 +79,15 @@ def copy_ipdb(ips_path: Path) -> None:
         return
     # TODO: ensure that month file is copied
     shutil.copy(legacy, ips_path)
+
+
+def clean_legacy_versions_file(versions: Path) -> None:
+    # NOTE: handling for #523
+    try:
+        pat = r"^(\d+),(\d+)$"
+        lines = versions.read_text().splitlines()
+        clean = [line for line in lines if re.match(pat, line)]
+        concat = "\n".join(clean)
+        versions.write_text(concat)
+    except Exception as e:
+        logger.warning(e)

dzgui/managers/config.py

@@ -46,6 +46,15 @@ class ConfigManager:
         ips.append(record)
         self.update_config(Preferences.IP_LIST, ips)
 
+    def remove_from_history_file(self, fqip: str) -> None:
+        try:
+            history = self.prefs.paths.history
+            ips = [line.rstrip() for line in history.read_text().splitlines()]
+            ips.remove(fqip)
+            history.write_text("\n".join(ips))
+        except Exception as e:
+            logger.critical(e)
+
     def update_history_file(self, fqip: str) -> None:
         try:
             with open(self.prefs.paths.history, "r") as f:

dzgui/model/servers.py

@@ -34,7 +34,7 @@ LAN_TIMEOUT = 0.5
 API_TIMEOUT = 3
 
 
-@dataclass
+@dataclass(slots=True, frozen=True)
 class NewPlayerCount:
     treeiter: Gtk.TreeIter
     players: int
@@ -281,6 +281,10 @@ class ServerModelManager:
     def remove_from_history(self, record: Servers.Record) -> None:
         proxy_man = self._get_proxy_man()
         proxy_man.remove_row_from_control(record)
+
+        fqip = Servers.record_to_fqip(record)
+        config_man = self.controller.get_config_man()
+        config_man.remove_from_history_file(fqip)
         self.update_history()
 
     @call_on_thread(dialog.querying)

dzgui/util/immutable.py

@@ -0,0 +1,9 @@
+from dataclasses import dataclass
+from typing import Callable
+
+def immutable_dataclass(cls: type | None = None, **kwargs: bool) -> type | Callable[[type], type]:
+    kwargs["slots"] = True
+    kwargs["frozen"] = True
+    if cls is None:
+        return lambda c: dataclass(c, **kwargs)
+    return dataclass(cls, **kwargs)

dzgui/util/ip.py

@@ -1,10 +1,10 @@
 import a2s
-from ipaddress import ip_address
 import requests
 import shutil
 import subprocess
 
 from dataclasses import dataclass
+from ipaddress import ip_address
 from typing import TYPE_CHECKING
 
 from dzgui.api.servers import Record
@@ -12,12 +12,11 @@ from dzgui.config.ipdb import read_from_table
 from dzgui.const.constants import REQUEST_TIMEOUT
 from dzgui.const.endpoints import IP_ECHO
 
-
 if TYPE_CHECKING:
     from pathlib import Path
 
 
-@dataclass
+@dataclass(slots=True, frozen=True)
 class Coords:
     lat: float
     lon: float

dzgui/views/components/box.py

@@ -1,9 +1,9 @@
-from typing import Sequence
-
 import gi
 
+from typing import Sequence
+
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
+from gi.repository import Gtk
 
 
 class GenericBox(Gtk.Box):

dzgui/views/components/frame.py

@@ -1,10 +1,11 @@
-from typing import Self
-from dzgui.util import css
-
 import gi
 
+from typing import Self
+
+from dzgui.util import css
+
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
+from gi.repository import Gtk
 
 
 # TODO: subclass Gtk.Frame directly

dzgui/views/components/misc.py

@@ -1,3 +1,4 @@
+import gi
 from typing import Self
 from warnings import deprecated
 
@@ -8,10 +9,8 @@ from dzgui.strings import options
 from dzgui.views.components.box import HBox
 from dzgui.views.components.buttons import Icon
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
+from gi.repository import Gtk
 
 
 @deprecated("Client choice is determined at setup time")

dzgui/views/components/scrollable.py

@@ -1,7 +1,7 @@
 import gi
 
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
+from gi.repository import Gtk
 
 
 class NoOverlayScrolledWindow(Gtk.ScrolledWindow):

dzgui/views/dialogs/boot.py

@@ -1,13 +1,9 @@
+import gi
 import sys
+
+from enum import Enum
 from typing import Any, Literal, Self, TYPE_CHECKING
 
-# import time
-from enum import Enum
-
-
-from dzgui.views.mixins.colorscheme import ColorAwareApp
-
-# TODO: import dialog titles
 from dzgui.api.mods import remove_stale_signatures as remove_stale
 from dzgui.config.ipdb import get_ipdb
 from dzgui.const.constants import HEX_GREEN, HEX_RED
@@ -20,12 +16,10 @@ from dzgui.util.format import format_exception
 from dzgui.util.strings import dialog_header
 from dzgui.util.symlink import rebuild_symlinks
 from dzgui.views.components.buttons import ClipboardButton
-
-
-import gi
+from dzgui.views.mixins.colorscheme import ColorAwareApp
 
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk  # noqa
+from gi.repository import Gtk, GLib, Gdk
 
 if TYPE_CHECKING:
     from dzgui.config.xdg import Xdg

dzgui/views/dialogs/servers.py

@@ -15,7 +15,7 @@ from dzgui.views.dialogs.generic import GenericDialog
 from dzgui.views.trees.tree_base import TreeView
 
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk, Pango  # noqa
+from gi.repository import Gtk, Gdk, Pango
 
 if TYPE_CHECKING:
     from dzgui.api.servers import Details

dzgui/views/mixins/colorscheme.py

@@ -1,3 +1,5 @@
+import gi
+
 from typing import Any
 
 from dzgui.const.constants import (
@@ -7,10 +9,8 @@ from dzgui.const.constants import (
     GIO_SETTINGS_VAL,
 )
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gio  # noqa
+from gi.repository import Gtk, Gio
 
 
 class ColorAwareApp:

dzgui/views/mixins/help_menu_mixin.py

@@ -1,7 +1,7 @@
 import gi
 
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk  # noqa
+from gi.repository import Gtk, Gdk
 
 
 class HelpMenuMixin:

dzgui/views/mixins/scrollable_mixin.py

@@ -1,10 +1,10 @@
+import gi
+
 from dzgui.const.enum import VAdjustment
 from dzgui.const.constants import SCROLL_INCREMENT
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk  # noqa
+from gi.repository import Gtk, Gdk
 
 
 class ScrollableMixin:

dzgui/views/pages/mods.py

@@ -1,3 +1,4 @@
+import gi
 from pathlib import Path
 
 from typing import Self, TYPE_CHECKING
@@ -8,10 +9,8 @@ from dzgui.views.components.buttons import SteamWorkshopButton
 from dzgui.views.components.scrollable import NoOverlayScrolledWindow
 from dzgui.views.trees.tree_mods import ModTreeView
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk  # noqa
+from gi.repository import Gtk
 
 if TYPE_CHECKING:
     from dzgui.controllers.mc import Controller

dzgui/views/pages/offline.py

@@ -1,9 +1,10 @@
 from __future__ import annotations
+
+import gi
+
 from enum import Enum
 from typing import Self, TYPE_CHECKING, Union
 
-from dzgui.util import css
-from dzgui.const.icons import ICON_EDIT_DELETE, ICON_FOLDER, ICON_WARNING
 from dzgui.const.constants import (
     APPID_DAYZ,
     APPID_DAYZ_EXP,
@@ -11,8 +12,10 @@ from dzgui.const.constants import (
     APPNAME_DAYZ_EXP_HUMAN,
 )
 from dzgui.const.enum import ContextMenuGroup, NotebookPage
+from dzgui.const.icons import ICON_EDIT_DELETE, ICON_FOLDER, ICON_WARNING
 from dzgui.managers.offline import OfflineManager
 from dzgui.strings import generic, offline
+from dzgui.util import css
 from dzgui.views.components.box import HBox, VBox
 from dzgui.views.components.buttons import Icon, IconTextButton
 from dzgui.views.components.eventbox import InfoEventBox
@@ -21,11 +24,8 @@ from dzgui.views.components.scrollable import NoOverlayScrolledWindow
 from dzgui.views.components.misc import ErrorPopover
 from dzgui.views.trees.tree_mods import OfflineModTreeView
 
-
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk, GObject  # noqa
+from gi.repository import Gtk, Gdk
 
 if TYPE_CHECKING:
     from dzgui.controllers.mc import Controller

dzgui/views/pages/options.py

@@ -1,9 +1,10 @@
+import gi
+
 from pathlib import Path
 from typing import Any, Callable, TYPE_CHECKING
 
 from dzgui.api import pefile as PeFile
 from dzgui.api.steam import get_last_updated
-
 from dzgui.config import query
 from dzgui.const.constants import (
     APPID_DAYZ,
@@ -14,12 +15,11 @@ from dzgui.const.constants import (
     FLATPAK_SANDBOX,
     FLATPAK_STEAM_PATH,
 )
-from dzgui.const.icons import ICON_VIEW_CONCEAL, ICON_VIEW_REVEAL
 from dzgui.const.endpoints import STEAM_API_SETUP
 from dzgui.const.enum import Preferences, ServerTab
+from dzgui.const.icons import ICON_VIEW_CONCEAL, ICON_VIEW_REVEAL
 from dzgui.strings import options
 from dzgui.util import strings, css, open_links
-
 from dzgui.views.components.box import ShortHBox, VBox
 from dzgui.views.components.eventbox import InfoEventBox
 from dzgui.views.components.labels import LeftLabel
@@ -29,11 +29,8 @@ from dzgui.views.components.misc import ErrorPopover
 from dzgui.views.dialogs.generic import ExceptionDialog
 from dzgui.views.mixins.scrollable_mixin import ScrollableMixin
 
-
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gdk  # noqa
+from gi.repository import Gtk, Gdk
 
 if TYPE_CHECKING:
     from dzgui.controllers.mc import Controller
@@ -233,10 +230,19 @@ class ToggleField(Gtk.Box):
         self.pack_start(self.radio1, expand=False, fill=False, padding=0)
         self.pack_start(self.radio2, expand=False, fill=False, padding=0)
 
+        self.signal_id: int | None = None
+
+    def disconnect_signal(self) -> None:
+        if self.signal_id is not None:
+            self.radio1.disconnect(self.signal_id)
+
     def set_suboption_active(self, state: bool) -> None:
         # NOTE: defer connection of signal until after state is set
         self.radio2.set_active(state)
-        self.radio1.connect("toggled", self._on_radio_toggled, self.context)
+        self.disconnect_signal()
+        self.signal_id = self.radio1.connect(
+            "toggled", self._on_radio_toggled, self.context
+        )
 
     def _on_radio_toggled(self, button: Gtk.RadioButton, context: Preferences) -> None:
         self.controller.toggle_config(context)
@@ -486,14 +492,5 @@ class Options(ScrollableMixin, Gtk.ScrolledWindow):  # type: ignore
         start_tab = self.controller.query_config(Preferences.START_TAB)
         self.start_tab_combo.set_active(start_tab)
 
-    def _suppress_toggles(self, state: bool) -> None:
-        for toggle in [
-            self.fullscreen_toggle,
-            self.distance_toggle,
-        ]:
-            self.controller.suppress_signal(
-                self, toggle.get_children()[0], "_on_radio_toggled", state
-            )
-
     def grab_content_area(self) -> None:
         self.grab_focus()

dzgui/views/pages/preconnect.py

@@ -1,11 +1,12 @@
-from dataclasses import dataclass
+import gi
+
 from typing import Self, Sequence, TYPE_CHECKING
 
+from dzgui.const.enum import NotebookPage
 from dzgui.const.icons import (
     ICON_ERROR,
     ICON_WARNING,
 )
-from dzgui.const.enum import NotebookPage
 from dzgui.util.css import add_class
 from dzgui.util.keys import is_ctrl_mask
 from dzgui.util.localize import number
@@ -15,33 +16,15 @@ from dzgui.views.dialogs.generic import DebugDialog
 from dzgui.views.components.frame import HeadingFrame
 from dzgui.views.trees.tree_server_mods import ServerModTreeView
 
-import gi
-
 gi.require_version("Gtk", "3.0")
 from gi.repository import Gdk, Gtk
 
-
 if TYPE_CHECKING:
     from dzgui.managers.connection import Prerequisites
     from dzgui.controllers.mc import Controller
     from dzgui.controllers.emitter import Emitter
 
 
-@dataclass
-class Warnings:
-    passworded: bool
-    dayz_running: bool
-    no_steam: bool
-    wrong_version: bool
-
-
-@dataclass
-class Errors:
-    no_space: bool
-    no_dayz_exp: bool
-    no_dayz: bool
-
-
 class Placeholder(Gtk.Label):
     def __init__(self, text: str) -> None:
         super().__init__(

dzgui/views/trees/tree_base.py

@@ -1,3 +1,4 @@
+import gi
 import logging
 
 from typing import Any, Optional, TYPE_CHECKING
@@ -6,10 +7,8 @@ from dzgui.const.constants import APP_NAME, SEPARATOR
 from dzgui.util.keys import is_ctrl_mask, is_navkey
 from dzgui.views.mixins.cursor_mixin import CursorMixin
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk, GObject, Pango  # noqa
+from gi.repository import Gtk, Gdk, GObject
 
 logger = logging.getLogger(APP_NAME)
 

dzgui/views/trees/tree_menu.py

@@ -10,7 +10,7 @@ from dzgui.views.trees.tree_base import TreeView
 import gi
 
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk, GObject, Pango  # noqa
+from gi.repository import Gtk
 
 logger = logging.getLogger(APP_NAME)
 

dzgui/views/trees/tree_mods.py

@@ -1,4 +1,6 @@
+import gi
 import logging
+
 from typing import Any, TYPE_CHECKING
 
 from dzgui.const.constants import APP_NAME, HEX_RED
@@ -9,10 +11,8 @@ from dzgui.views.mixins.context_mixin import ContextMixin
 from dzgui.views.mixins.mods_mixin import ModsMixin
 from dzgui.views.trees.tree_base import TreeView
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk, GObject, Pango  # noqa
+from gi.repository import Gtk, Gdk
 
 
 if TYPE_CHECKING:

dzgui/views/trees/tree_server_mods.py

@@ -1,15 +1,15 @@
+import gi
+
+from typing import TYPE_CHECKING
+
 from dzgui.const.enum import ContextMenuGroup
 from dzgui.model.model_factory import ModelFactory
 from dzgui.strings import server_mods
 from dzgui.views.mixins.context_mixin import ContextMixin
 from dzgui.views.trees.tree_base import TreeView
 
-from typing import TYPE_CHECKING
-
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk, Pango  # noqa
+from gi.repository import Gtk, Pango
 
 if TYPE_CHECKING:
     from dzgui.controllers.mc import Controller

dzgui/views/trees/tree_servers.py

@@ -1,8 +1,9 @@
+import gi
 import logging
 import threading
 
 from queue import Queue
-from typing import Any, Self, Union
+from typing import Any, Literal, Self, TYPE_CHECKING, Union
 from warnings import deprecated
 
 from dzgui.api.servers import ping, Record
@@ -14,17 +15,11 @@ from dzgui.util import strings
 from dzgui.util.dist import CalcDist
 from dzgui.util.keys import is_ctrl_mask
 from dzgui.views.mixins.context_mixin import ContextMixin
-from typing import Literal, TYPE_CHECKING
-
-
 from dzgui.views.trees.tree_base import TreeView
 import dzgui.util._json as JSON  # noqa
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, GLib, Gdk, GObject, Pango  # noqa
-
+from gi.repository import Gtk, GLib, Gdk, GObject
 
 logger = logging.getLogger(APP_NAME)
 
@@ -415,6 +410,7 @@ class ServerTreeView(ContextMixin, TreeView):  # type: ignore
             real_model = self.proxy_man.get_control()
             from dataclasses import fields
             from dzgui.model.proxy_model import ServerRow
+
             key = fields(ServerRow)[col_index].name
 
             value = getattr(real_model[row_index], key)

dzgui/views/trees/tree_simple.py

@@ -1,13 +1,13 @@
+import gi
+
 from typing import TYPE_CHECKING, Union
 
+gi.require_version("Gtk", "3.0")
+from gi.repository import Gtk
+
 if TYPE_CHECKING:
     from dzgui.model.model_factory import FastInsertListStore
 
-import gi
-
-gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk  # noqa
-
 
 class SimpleTree(Gtk.ScrolledWindow):
     """Simple scrollable 1-column tree"""

tests/test_colorscheme.py

@@ -1,13 +1,12 @@
+import gi
 import pytest
 import subprocess
 
 from dzgui.const.constants import GIO_SETTINGS_KEY
 from dzgui.views.mixins.colorscheme import ColorAwareApp
 
-import gi
-
 gi.require_version("Gtk", "3.0")
-from gi.repository import Gtk, Gio, GLib  # noqa
+from gi.repository import Gtk, GLib
 
 
 class DummyWidget(ColorAwareApp, Gtk.Button):

tests/test_legacy_version_file.py

@@ -0,0 +1,25 @@
+from typing import TYPE_CHECKING
+
+from dzgui.init.migrate import clean_legacy_versions_file
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+
+def test_null_signature_stripping(tmp_path: "Path") -> None:
+    tmp = tmp_path.joinpath("dzg.versions")
+    lines = [
+        "1111,2222",
+        "3333,4444",
+        "5555,null",
+        "foo",
+        ",4555",
+        "1111",
+        " ",
+        ",,,",
+        "-1",
+    ]
+    expect = ["1111,2222", "3333,4444"]
+    tmp.write_text("\n".join(lines))
+    clean_legacy_versions_file(tmp)
+    assert expect == tmp.read_text().splitlines()

tests/test_mod_signatures.py

@@ -48,5 +48,5 @@ def test_signatures_with_no_ids(monkeypatch, tmp: str, versions: str) -> None:
     monkeypatch.setattr("dzgui.api.mods.lookup", mock_lookup)
     dzgui.api.mods.remove_stale_signatures(path, path)
     with open(tmp, "r") as f:
-        lines = f.readlines()
-    assert lines == ["3410710885,1752864732\n", "3739934289,1780855136\n"]
+        lines = [line.rstrip() for line in f.readlines()]
+    assert lines == ["3410710885,1752864732", "3739934289,1780855136"]