added write_empty_chunks to ZARR_OPTIONS (#119)

* added write_empty_chunks to ZARR_OPTIONSwq

* pinned black version to fix click error:     from click import _unicodefun  # type: ignore
ImportError: cannot import name '_unicodefun' from 'click' (/home/runner/.cache/pre-commit/repo8hrq8o5d/py_env-python3/lib/python3.9/site-packages/click/__init__.py)

* pinned min versions for zarr and xarray

* Update setup.py

Co-authored-by: Ryan Abernathey <ryan.abernathey@gmail.com>

Co-authored-by: Ryan Abernathey <ryan.abernathey@gmail.com>

.pre-commit-config.yaml

@@ -5,7 +5,7 @@ repos:
       - id: isort
         args: ["--profile", "black", "--filter-files"]
 -   repo: https://github.com/python/black
-    rev: 19.10b0
+    rev: 22.3.0
     hooks:
     - id: black
       language_version: python3

rechunker/api.py

@@ -166,6 +166,7 @@ def _zarr_empty(shape, store_or_group, chunks, dtype, name=None, **kwargs):
     "cache_metadata",
     "cache_attrs",
     "overwrite",
+    "write_empty_chunks"
 ]
 
 

setup.py

@@ -7,7 +7,12 @@
     long_description = f.read()
 
 
-install_requires = ["dask[array,diagnostics]", "zarr", "xarray", "mypy_extensions"]
+install_requires = [
+    "dask[array,diagnostics]",
+    "zarr>=2.11",
+    "xarray>=2022.3",
+    "mypy_extensions",
+]
 doc_requires = [
     "sphinx",
     "sphinxcontrib-srclinks",
@@ -26,7 +31,13 @@
 extras_require["dev"] = (
     extras_require["complete"]
     + extras_require["test"]
-    + ["pytest-cov", "flake8", "black", "codecov", "mypy==0.782",]
+    + [
+        "pytest-cov",
+        "flake8",
+        "black",
+        "codecov",
+        "mypy==0.782",
+    ]
 )
 
 setup(