Fix zarr sync

This patch removes fasteners and disables zarr.sync which uses process and thread
zarr-developers · Feb 9, 2024 · 303b8e2 · 303b8e2
1 parent a81db07
commit 303b8e2
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -14,7 +14,7 @@ requires-python = ">=3.9"
 dependencies = [
     'asciitree',
     'numpy>=1.21.1',
-    'fasteners',
+    'fasteners; sys_platform != "emscripten"',
     'numcodecs>=0.10.0',
 ]
 dynamic = [

diff --git a/zarr/sync.py b/zarr/sync.py
@@ -3,8 +3,6 @@
 from threading import Lock
 from typing import Protocol
 
-import fasteners
-
 
 class Synchronizer(Protocol):
     """Base class for synchronizers."""
@@ -49,6 +47,8 @@ def __init__(self, path):
         self.path = path
 
     def __getitem__(self, item):
+        import fasteners
+
         path = os.path.join(self.path, item)
         lock = fasteners.InterProcessLock(path)
         return lock