io.open → open (zarr-developers#1421)

In Python 3, io.open() is an alias for the builtin open() function:
https://docs.python.org/3/library/io.html#io.open

Co-authored-by: Davis Bennett <[email protected]>
Co-authored-by: Josh Moore <[email protected]>

Author: 3 people

docs/release.rst

@@ -21,6 +21,9 @@ Unreleased
 Maintenance
 ~~~~~~~~~~~
 
+* Change occurrence of ``io.open()`` into ``open()``.
+  By :user:`Dimitri Papadopoulos Orfanos <DimitriPapadopoulos>` :issue:`1421`.
+
 * Preserve ``dimension_separator`` when resizing arrays.
   By :user:`Ziwen Liu <ziw-liu>` :issue:`1533`.
 

zarr/convenience.py

@@ -1,5 +1,4 @@
 """Convenience functions for storing and loading data."""
-import io
 import itertools
 import os
 import re
@@ -29,6 +28,8 @@
 
 StoreLike = Union[BaseStore, MutableMapping, str, None]
 
+_builtin_open = open  # builtin open is later shadowed by a local open function
+
 
 def _check_and_update_path(store: BaseStore, path):
     if getattr(store, "_store_version", 2) > 2 and not path:
@@ -491,7 +492,7 @@ def __init__(self, log):
         elif callable(log):
             self.log_func = log
         elif isinstance(log, str):
-            self.log_file = io.open(log, mode="w")
+            self.log_file = _builtin_open(log, mode="w")
             self.needs_closing = True
         elif hasattr(log, "write"):
             self.log_file = log