Using TypeIs instead of TypeGuard

Author: GlassOfWhiskey

cwl_utils/types.py

@@ -5,6 +5,11 @@
 from collections.abc import Mapping, MutableMapping, MutableSequence
 from typing import Any, Literal, TypeAlias, TypeGuard, TypedDict
 
+if sys.version_info >= (3, 13):
+    from typing import TypeIs
+else:
+    from typing_extensions import TypeIs
+
 if sys.version_info >= (3, 11):
     from typing import Required
 else:
@@ -103,7 +108,7 @@ def is_cwl_parameter_context_key(
     return key in ("inputs", "self", "runtime")
 
 
-def is_directory(value: Any) -> TypeGuard[CWLDirectoryType]:
+def is_directory(value: Any) -> TypeIs[CWLDirectoryType]:
     return isinstance(value, Mapping) and value.get("class") == "Directory"
 
 
@@ -113,7 +118,7 @@ def is_directory_key(
     return key in ("class", "location", "path", "basename", "listing")
 
 
-def is_file(value: Any) -> TypeGuard[CWLFileType]:
+def is_file(value: Any) -> TypeIs[CWLFileType]:
     return isinstance(value, Mapping) and value.get("class") == "File"
 
 
@@ -153,5 +158,5 @@ def is_file_key(
 
 def is_file_or_directory(
     value: Any,
-) -> TypeGuard[CWLFileType | CWLDirectoryType]:
+) -> TypeIs[CWLFileType | CWLDirectoryType]:
     return isinstance(value, Mapping) and value.get("class") in ("File", "Directory")