Merge branch 'main' into patch-1

Author: me-her

.pre-commit-config.yaml

@@ -1,11 +1,10 @@
 exclude: ^fixture/  # files with trailing whitespaces on purpose
 ci:
   autoupdate_commit_msg: "chore: update pre-commit hooks"
+  autoupdate_schedule: "monthly"
   autofix_commit_msg: "style: pre-commit fixes"
   autofix_prs: false
 default_stages: [pre-commit, pre-push]
-default_language_version:
-  python: python3
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
@@ -27,7 +26,7 @@ repos:
     - id: sp-repo-review
 
   -   repo: https://github.com/pre-commit/mirrors-mypy
-      rev: 'v1.14.0'
+      rev: v1.14.0
       hooks:
       -   id: mypy
           args: [--config-file, pyproject.toml]

adhoc/blosc_memleak_check.py

@@ -1,10 +1,9 @@
 import sys
 
+import numcodecs
 import numpy as np
 from numpy.testing import assert_array_equal
 
-import numcodecs
-
 codec = numcodecs.Blosc()
 data = np.arange(int(sys.argv[1]))
 for _ in range(int(sys.argv[2])):

notebooks/benchmark_vlen.ipynb

@@ -24,9 +24,8 @@
     }
    ],
    "source": [
-    "import numpy as np\n",
-    "\n",
     "import numcodecs\n",
+    "import numpy as np\n",
     "\n",
     "numcodecs.__version__"
    ]

numcodecs/astype.py

@@ -49,9 +49,7 @@ def encode(self, buf):
         arr = ensure_ndarray(buf).view(self.decode_dtype)
 
         # convert and copy
-        enc = arr.astype(self.encode_dtype)
-
-        return enc
+        return arr.astype(self.encode_dtype)
 
     def decode(self, buf, out=None):
         # normalise input
@@ -61,9 +59,7 @@ def decode(self, buf, out=None):
         dec = enc.astype(self.decode_dtype)
 
         # handle output
-        out = ndarray_copy(dec, out)
-
-        return out
+        return ndarray_copy(dec, out)
 
     def get_config(self):
         return {

numcodecs/base64.py

@@ -13,8 +13,7 @@ def encode(self, buf):
         # normalise inputs
         buf = ensure_contiguous_ndarray(buf)
         # do compression
-        compressed = _base64.standard_b64encode(buf)
-        return compressed
+        return _base64.standard_b64encode(buf)
 
     def decode(self, buf, out=None):
         # normalise inputs

numcodecs/categorize.py

@@ -80,18 +80,15 @@ def decode(self, buf, out=None):
             dec[enc == (i + 1)] = label
 
         # handle output
-        dec = ndarray_copy(dec, out)
-
-        return dec
+        return ndarray_copy(dec, out)
 
     def get_config(self):
-        config = {
+        return {
             'id': self.codec_id,
             'labels': self.labels,
             'dtype': self.dtype.str,
             'astype': self.astype.str,
         }
-        return config
 
     def __repr__(self):
         # make sure labels part is not too long

numcodecs/delta.py

@@ -85,9 +85,7 @@ def decode(self, buf, out=None):
         np.cumsum(enc, out=dec)
 
         # handle output
-        out = ndarray_copy(dec, out)
-
-        return out
+        return ndarray_copy(dec, out)
 
     def get_config(self):
         # override to handle encoding dtypes

numcodecs/fixedscaleoffset.py

@@ -94,9 +94,7 @@ def encode(self, buf):
         enc = np.around(enc)
 
         # convert dtype
-        enc = enc.astype(self.astype, copy=False)
-
-        return enc
+        return enc.astype(self.astype, copy=False)
 
     def decode(self, buf, out=None):
         # interpret buffer as numpy array

numcodecs/gzip.py

@@ -28,9 +28,7 @@ def encode(self, buf):
         compressed = io.BytesIO()
         with _gzip.GzipFile(fileobj=compressed, mode='wb', compresslevel=self.level) as compressor:
             compressor.write(buf)
-        compressed = compressed.getvalue()
-
-        return compressed
+        return compressed.getvalue()
 
     # noinspection PyMethodMayBeStatic
     def decode(self, buf, out=None):

numcodecs/lzma.py

@@ -5,7 +5,7 @@
 try:
     import lzma as _lzma
 except ImportError:  # pragma: no cover
-    try:
+    try:  # noqa: SIM105
         from backports import lzma as _lzma  # type: ignore[no-redef]
     except ImportError:
         pass