[cli/models/utils] Move strtobool into legendary utils

Fixes deprecation warning on Python 3.10+

legendary/cli.py

@@ -12,7 +12,6 @@ import time
 import webbrowser
 
 from collections import defaultdict, namedtuple
-from distutils.util import strtobool
 from logging.handlers import QueueListener
 from multiprocessing import freeze_support, Queue as MPQueue
 from platform import platform
@@ -22,7 +21,7 @@ from legendary import __version__, __codename__
 from legendary.core import LegendaryCore
 from legendary.models.exceptions import InvalidCredentialsError
 from legendary.models.game import SaveGameStatus, VerifyResult, Game
-from legendary.utils.cli import get_boolean_choice, sdl_prompt
+from legendary.utils.cli import get_boolean_choice, sdl_prompt, strtobool
 from legendary.utils.custom_parser import AliasedSubParsersAction
 from legendary.utils.env import is_windows_mac_or_pyi
 from legendary.utils.lfs import validate_files

legendary/models/egl.py

@@ -1,7 +1,7 @@
 from copy import deepcopy
-from distutils.util import strtobool
 
 from legendary.models.game import InstalledGame, Game
+from legendary.utils.cli import strtobool
 
 
 _template = {

legendary/utils/cli.py

@@ -40,3 +40,22 @@ def sdl_prompt(sdl_data, title):
             print('Invalid tag:', c)
 
     return tags
+
+
+def strtobool(val):
+    """Convert a string representation of truth to true (1) or false (0).
+
+    True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
+    are 'n', 'no', 'f', 'false', 'off', and '0'.  Raises ValueError if
+    'val' is anything else.
+
+    Copied from python standard library as distutils.util.strtobool is deprecated.
+    """
+    val = val.lower()
+    if val in ('y', 'yes', 't', 'true', 'on', '1'):
+        return 1
+    elif val in ('n', 'no', 'f', 'false', 'off', '0'):
+        return 0
+    else:
+        raise ValueError("invalid truth value %r" % (val,))
+