Fix zarr sync (zarr-developers#1663)

This patch removes fasteners and disables zarr.sync which uses process and thread Co-authored-by: Wei Ouyang <[email protected]>
joshmoore · Feb 14, 2024 · 4f2ace4 · 4f2ace4
1 parent a81db07
commit 4f2ace4
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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