From 07c5440677066f82794df6e5ce9ad685e191407e Mon Sep 17 00:00:00 2001
From: Wei Ouyang <oeway007@gmail.com>
Date: Mon, 12 Dec 2022 18:42:20 -0800
Subject: [PATCH] Fix zarr sync

This patch removes fasteners and disables zarr.sync which uses process and thread
---
 setup.py         | 1 -
 zarr/__init__.py | 2 +-
 zarr/sync.py     | 3 +--
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/setup.py b/setup.py
index 79ff649d..8dee4cd5 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,6 @@ with open('README.md') as f:
 dependencies = [
     'asciitree',
     'numpy>=1.7',
-    'fasteners',
     'numcodecs>=0.10.0',
 ]
 
diff --git a/zarr/__init__.py b/zarr/__init__.py
index 4d2c992d..900c7f92 100644
--- a/zarr/__init__.py
+++ b/zarr/__init__.py
@@ -15,7 +15,7 @@ from zarr.storage import (ABSStore, DBMStore, DictStore, DirectoryStore,
                           KVStore, LMDBStore, LRUStoreCache, MemoryStore, MongoDBStore,
                           NestedDirectoryStore, RedisStore, SQLiteStore,
                           TempStore, ZipStore)
-from zarr.sync import ProcessSynchronizer, ThreadSynchronizer
+# from zarr.sync import ProcessSynchronizer, ThreadSynchronizer
 from zarr.version import version as __version__
 
 # in case setuptools scm screw up and find version to be 0.0.0
diff --git a/zarr/sync.py b/zarr/sync.py
index 49684a51..0ce4baa7 100644
--- a/zarr/sync.py
+++ b/zarr/sync.py
@@ -2,8 +2,6 @@ import os
 from collections import defaultdict
 from threading import Lock
 
-import fasteners
-
 
 class ThreadSynchronizer:
     """Provides synchronization using thread locks."""
@@ -41,6 +39,7 @@ class ProcessSynchronizer:
         self.path = path
 
     def __getitem__(self, item):
+        import fasteners
         path = os.path.join(self.path, item)
         lock = fasteners.InterProcessLock(path)
         return lock
-- 
2.25.1