enable ruff up rules

pyproject.toml

@@ -148,8 +148,11 @@ extend-exclude = [
   'setup.py',
 ]
 line-length = 88
-select = ["E", "F", "W"]
+select = ["E", "F", "W", "UP"]
 target-version = 'py39'
+ignore = [
+  "UP007",  # 'Use `X | Y` for type annotations', requires python 3.10
+]
 
 [tool.ruff.format]
 docstring-code-format = true

template/utils/_checks.py

@@ -160,9 +160,9 @@ def check_value(
         if len(allowed_values) == 1:
             options = "The only allowed value is %s" % repr(allowed_values[0])
         elif len(allowed_values) == 2:
-            options = "Allowed values are %s and %s" % (
-                repr(allowed_values[0]),
-                repr(allowed_values[1]),
+            options = (
+                f"Allowed values are {repr(allowed_values[0])} "
+                f"and {repr(allowed_values[1])}"
             )
         else:
             options = "Allowed values are "

template/utils/_fixes.py

@@ -10,7 +10,7 @@
 
 
 # https://github.com/sphinx-gallery/sphinx-gallery/issues/1112
-class WrapStdOut(object):
+class WrapStdOut:
     """Dynamically wrap to sys.stdout.
 
     This makes packages that monkey-patch sys.stdout (e.g.doctest, sphinx-gallery) work

template/utils/tests/test_docs.py

@@ -217,7 +217,7 @@ def test_docdict_order():
     # read the file as text, and get entries via regex
     docs_path = Path(__file__).parents[1] / "_docs.py"
     assert docs_path.is_file()
-    with open(docs_path, "r", encoding="UTF-8") as fid:
+    with open(docs_path, encoding="UTF-8") as fid:
         docs = fid.read()
     entries = re.findall(r'docdict\[(?:\n    )?["\'](.+)["\']\n?\] = ', docs)
     # test length, uniqueness and order

template/utils/tests/test_logs.py

@@ -133,7 +133,7 @@ def test_file_handler(tmp_path):
 
     logger.handlers[-1].close()
 
-    with open(fname, mode="r") as file:
+    with open(fname) as file:
         lines = file.readlines()
 
     assert len(lines) == 2