some new features

.venv/lib/python3.12/site-packages/fontTools/misc/filesystem/_tempfs.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+import shutil
+import tempfile
+
+from ._errors import OperationFailed
+from ._osfs import OSFS
+
+
+class TempFS(OSFS):
+    def __init__(self, auto_clean: bool = True, ignore_clean_errors: bool = True):
+        self.auto_clean = auto_clean
+        self.ignore_clean_errors = ignore_clean_errors
+        self._temp_dir = tempfile.mkdtemp("__temp_fs__")
+        self._cleaned = False
+        super().__init__(self._temp_dir)
+
+    def close(self):
+        if self.auto_clean:
+            self.clean()
+        super().close()
+
+    def clean(self):
+        if self._cleaned:
+            return
+
+        try:
+            shutil.rmtree(self._temp_dir)
+        except Exception as e:
+            if not self.ignore_clean_errors:
+                raise OperationFailed(
+                    f"failed to remove temporary directory: {self._temp_dir!r}"
+                ) from e
+        self._cleaned = True