glob 'bugbear' lints and use exception chaining

myst_parser/mocking.py

@@ -371,14 +371,14 @@ def run(self) -> list[nodes.Element]:
         # tab_width = self.options.get("tab-width", self.document.settings.tab_width)
         try:
             file_content = path.read_text(encoding=encoding, errors=error_handler)
-        except FileNotFoundError:
+        except FileNotFoundError as error:
             raise DirectiveError(
                 4, f'Directive "{self.name}": file not found: {str(path)!r}'
-            )
+            ) from error
         except Exception as error:
             raise DirectiveError(
                 4, f'Directive "{self.name}": error reading file: {path}\n{error}.'
-            )
+            ) from error
 
         # get required section of text
         startline = self.options.get("start-line", None)
@@ -412,10 +412,10 @@ def run(self) -> list[nodes.Element]:
             if "number-lines" in self.options:
                 try:
                     startline = int(self.options["number-lines"] or 1)
-                except ValueError:
+                except ValueError as err:
                     raise DirectiveError(
                         3, ":number-lines: with non-integer start value"
-                    )
+                    ) from err
                 endline = startline + len(file_content.splitlines())
                 if file_content.endswith("\n"):
                     file_content = file_content[:-1]

myst_parser/parsers/docutils_.py

@@ -97,8 +97,8 @@ def _validate_yaml(
         """
         try:
             output = yaml.safe_load(value)
-        except Exception:
-            raise ValueError("Invalid YAML string")
+        except Exception as err:
+            raise ValueError("Invalid YAML string") from err
         if not isinstance(output, dict):
             raise ValueError("Expecting a YAML dictionary")
         return output
@@ -115,8 +115,8 @@ def _validate_url_schemes(
     """
     try:
         output = yaml.safe_load(value)
-    except Exception:
-        raise ValueError("Invalid YAML string")
+    except Exception as err:
+        raise ValueError("Invalid YAML string") from err
     if isinstance(output, str):
         output = {k: None for k in output.split(",")}
     if not isinstance(output, dict):

pyproject.toml

@@ -102,7 +102,7 @@ exclude = [
 ]
 
 [tool.ruff]
-extend-select = ["B0", "C4", "I", "ICN", "ISC", "N", "RUF", "SIM", "UP"]
+extend-select = ["B", "C4", "I", "ICN", "ISC", "N", "RUF", "SIM", "UP"]
 extend-ignore = ["ISC001", "RUF005", "RUF012"]
 
 [tool.mypy]

tests/test_renderers/test_fixtures_docutils.py

@@ -131,5 +131,5 @@ def settings_from_cmdline(cmdline: str | None) -> dict[str, Any]:
     try:
         pub.process_command_line(shlex.split(cmdline))
     except Exception as err:
-        raise AssertionError(f"Failed to parse commandline: {cmdline}\n{err}")
+        raise AssertionError(f"Failed to parse commandline: {cmdline}\n{err}") from err
     return vars(pub.settings)

tests/test_renderers/test_fixtures_sphinx.py

@@ -46,7 +46,7 @@ def settings_from_json(string: str | None):
         data = json.loads(string)
         assert isinstance(data, dict), "settings must be a JSON object"
     except Exception as err:
-        raise AssertionError(f"Failed to parse JSON settings: {string}\n{err}")
+        raise AssertionError(f"Failed to parse JSON settings: {string}\n{err}") from err
     return data
 
 

tests/test_renderers/test_myst_config.py

@@ -27,7 +27,7 @@ def test_cmdline(file_params: ParamTestData):
     except Exception as err:
         raise AssertionError(
             f"Failed to parse commandline: {file_params.description}\n{err}"
-        )
+        ) from err
     settings = vars(pub.settings)
     report_stream = StringIO()
     settings["output_encoding"] = "unicode"