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[2.6.0] - 2023-08-06
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@david-yz-liu david-yz-liu released this 06 Aug 17:33
v2.6.0
399b2f3

Updated 2023/08/13: This release required the graphviz Python library to be installed, but this library was not listed as a project dependency. graphviz has been moved to be an optional dependency in 2.6.1.

Enhancements

  • Can now create control flow graphs using python_ta.control_flow_graphs to visualize the execution paths of Python code.
  • forbidden-top-level-code and forbidden-global-variables now allow top-level type alias assignment statements.
  • The trailing-whitespace error message now highlights the trailing whitespace.
  • The unnecessary-indexing error now checks for a greater variety of loop/comprehension indexes.
  • Provided configuration files are now merged with PythonTA defaults, so you now only need to specify options that you want to be overridden. To ignore PythonTA defaults (the old behaviour), pass load_default_config=False to check_errors and check_all.
  • Improved the code snippets for the pep8-errors "blank line" messages. Extra blank lines are now highlighted, and suggestions are added when blank lines are missing.
  • The default value of the pyta-number-of-messages configuration option is now 0 (changed from 5) This causes all error occurrences to be displayed.
  • Improved efficiency of the contract-checking custom setattr for classes.
  • Added new function python_ta.contracts.validate_invariants to manually check contracts for an object.
  • Updated to pycodestyle v2.11.

Bug Fixes

  • Fixed bug where running python3 -m python_ta --generate-config yields a FileNotFoundError.
  • Fixed bug in how PythonTA reports error messages that occur when parsing configuration files.
  • Ensured some config file parsing errors no longer display incorrect lines in the error report.
  • Fixed bug where the HTMLReporter and JSONReporter would ignore the pyta-number-of-messages option and always display all error occurrences.
  • Fixed bug in check_contracts where imported classes were not correctly resolved when checking types.
  • Fixed bug for class contract-checking when assigning an instance attribute that violates a class type constraint or representation invariant. Previously, the instance attribute changed to the new value after the error was raised, but now is correctly restored to the original value.
  • Remove line double-spacing in PlainReporter and ColorReporter output code snippets.

New checkers

Custom checkers:

  • invalid-name-checker: Provide beginner-friendly error messages when reporting variable names that violate Python naming conventions. This replaces pylint's C0103 check.

Pylint checkers v2.16:

  • pointless-exception-statement
  • shadowed-import
  • unbalanced-dict-unpacking
  • nested-min-max
  • invalid-slice-step

Pylint checkers v2.17:

  • bad-chained-comparison

For more information on these checkers, please see the Pylint release notes. Note that the above list only contains the Pylint checkers enabled by default in PythonTA.

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