* Cache result of FSStore._fsspec_installed

Prevent runtime-overhead in doing this check multiple times
zarr-developers · Nov 28, 2023 · e2cbc23 · e2cbc23
1 parent 039d3ba
commit e2cbc23
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/zarr/storage.py b/zarr/storage.py
@@ -28,6 +28,7 @@
 import zipfile
 from collections import OrderedDict
 from collections.abc import MutableMapping
+from functools import cache
 from os import scandir
 from pickle import PicklingError
 from threading import Lock, RLock
@@ -1540,6 +1541,7 @@ def clear(self):
         self.map.clear()
 
     @classmethod
+    @cache
     def _fsspec_installed(cls):
         """Returns true if fsspec is installed"""
         import importlib.util