Work around deprecated importlib APIs

polyfile/kaitai/parser.py

@@ -7,6 +7,7 @@
 from io import BufferedReader, BytesIO
 import json
 from pathlib import Path
+import sys
 from typing import Any, Dict, Iterator, List, Optional, Set, Type, Union
 
 from . import parsers
@@ -17,11 +18,12 @@
 
 with resources.path(parsers, "manifest.json") as manifest_path:
     PARSER_DIR: Path = manifest_path.parent
-MANIFEST_FILE = (resources.files(parsers) / "manifest.json")
-
-
-with MANIFEST_FILE.open("r") as f:
-    MANIFEST: Dict[str, Dict[str, Any]] = json.load(f)
+if sys.version_info >= (3, 9):
+    with (resources.files(parsers) / "manifest.json").open("r") as f:
+        MANIFEST: Dict[str, Dict[str, Any]] = json.load(f)
+else:
+    with resources.open_text(parsers, "manifest.json") as f:
+        MANIFEST = json.load(f)
 
 COMPILED_INFO_BY_KSY: Dict[str, CompiledKSY] = {
     ksy_path: CompiledKSY(

polyfile/magic.py

@@ -47,14 +47,24 @@
 log = getStatusLogger("libmagic")
 
 
-def get_resource_path(name: str) -> Path:
-    with resources.path(magic_defs, name) as path:
-        return path
+if sys.version_info < (3, 11):
+    def get_resource_path(name: str) -> Path:
+        with resources.path(magic_defs, name) as path:
+            return path
+
+    def get_resource_contents(package):
+        return resources.contents(package)
+else:
+    def get_resource_path(name: str) -> Path:
+        return resources.as_file(resources.files(magic_defs).joinpath(name))
+
+    def get_resource_contents(package):
+        return (resource.name for resource in resources.files(package).iterdir() if resource.is_file())
 
 
 MAGIC_DEFS: List[Path] = [
     get_resource_path(resource_name)
-    for resource_name in resources.contents(magic_defs)
+    for resource_name in get_resource_contents(magic_defs)
     if resource_name not in ("COPYING", "magic.mgc", "__pycache__") and not resource_name.startswith(".")
 ]