open_dataset raises PermissionError during engine detection for a local Zarr directory on Windows #11799

from pathlib import Path
from tempfile import TemporaryDirectory

import xarray as xr

with TemporaryDirectory() as temporary_directory:
    store = Path(temporary_directory) / "example.zarr"
    xr.Dataset({"temperature": ("time", [1.0, 2.0, 3.0])}).to_zarr(
        store, zarr_format=2
    )

    with xr.open_dataset(store, engine="zarr", chunks={}) as dataset:
        assert dataset.temperature.compute().values.tolist() == [1.0, 2.0, 3.0]

    with xr.open_zarr(store, chunks={}) as dataset:
        assert dataset.temperature.compute().values.tolist() == [1.0, 2.0, 3.0]

    xr.open_dataset(store, chunks={})  # Raises PermissionError on Windows

Traceback (most recent call last):
  File "<reproducer>", in <module>
    xr.open_dataset(store, chunks={})
  File "<site-packages>/xarray/backends/api.py", line 600, in open_dataset
    engine = plugins.guess_engine(filename_or_obj)
  File "<site-packages>/xarray/backends/plugins.py", line 154, in guess_engine
    if backend.guess_can_open(store_spec):
  File "<site-packages>/xarray/backends/netCDF4_.py", line 764, in guess_can_open
    magic_number = try_read_magic_number_from_path(filename_or_obj)
  File "<site-packages>/xarray/core/utils.py", line 784, in try_read_magic_number_from_path
    with open(path, "rb") as f:
PermissionError: [Errno 13] Permission denied: '<temporary-directory>\example.zarr'