Python fixes from ruff check (#1641)

pyproject.toml

@@ -0,0 +1,74 @@
+[project]
+requires-python = ">=3.2"
+
+[tool.ruff]
+line-length = 100
+exclude = [
+  "./cache/",
+  "./node_modules/",
+  "./site/source/_themes/",
+  "./site/source/conf.py",
+  "./system/lib/",
+  "./test/third_party/",
+  "./third_party/",
+  "./tools/filelock.py",
+  "./tools/scons/",
+  ".git",
+]
+
+lint.select = [
+  "ARG",
+  "ASYNC",
+  "B",
+  "C4",
+  "C90",
+  "COM",
+  "E",
+  "F",
+  "I",
+  "PERF",
+  "PIE",
+  "PL",
+  "UP",
+  "W",
+  "YTT",
+]
+lint.external = [ "D" ]
+lint.ignore = [
+  "B011", # See https://github.com/PyCQA/flake8-bugbear/issues/66
+  "B023",
+  "B026",
+  "E402",
+  "E501",
+  "E721",
+  "E741",
+  "PERF203",
+  "PERF401",
+  "PLC0415",
+  "PLR0915",
+  "PLR1704",
+  "PLR5501",
+  "PLW0602",
+  "PLW0603",
+  "PLW1510",
+  "PLW2901",
+  "UP030", # TODO
+  "UP031", # TODO
+  "UP032", # TODO
+]
+lint.per-file-ignores."emrun.py" = [ "PLE0704" ]
+lint.per-file-ignores."tools/ports/*.py" = [ "ARG001", "ARG005" ]
+lint.per-file-ignores."test/other/ports/*.py" = [ "ARG001" ]
+lint.per-file-ignores."test/parallel_testsuite.py" = [ "ARG002" ]
+lint.per-file-ignores."test/test_benchmark.py" = [ "ARG002" ]
+lint.mccabe.max-complexity = 51 # Recommended: 10
+lint.pylint.allow-magic-value-types = [
+  "bytes",
+  "float",
+  "int",
+  "str",
+]
+lint.pylint.max-args = 15 # Recommended: 5
+lint.pylint.max-branches = 50 # Recommended: 12
+lint.pylint.max-returns = 16 # Recommended: 6
+lint.pylint.max-statements = 142 # Recommended: 50