Remove deprecated distutils

yamx/extra.py

@@ -1,7 +1,6 @@
 # not very supported pieces of functionality
 
 from dataclasses import dataclass
-from distutils.util import strtobool
 from typing import Any, Dict, Optional, Set
 
 from jinja2 import nodes
@@ -14,6 +13,7 @@
     ConditionalSeq,
 )
 from yamx.loader.utils import get_jinja_env
+from yamx.utils import strtobool
 
 
 @dataclass(frozen=True)

yamx/utils.py

@@ -0,0 +1,14 @@
+def strtobool(val) -> int:
+    """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.
+    """
+    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,))