mem safe & format

pyproject.toml

@@ -33,8 +33,13 @@ include = ["collectionparser*"]
 
 [tool.ruff]
 target-version = "py311"
-line-length = 120
+line-length = 88
 src = ["collectionparser", "tests"]
 
 [tool.ruff.lint]
-select = ["E4", "E7", "E9", "F", "I", "UP", "B", "SIM"]
+select = ["E", "W", "F", "I", "N", "UP", "B", "C4", "SIM"]
+ignore = ["E501"]  # long lines are handled by the formatter
+
+[tool.ruff.format]
+quote-style = "double"
+indent-style = "space"