CHANGELOG.md

next (unreleased)

• Bump flake8, flake8-comprehensions and flake8-bugbear (Sebastian Csar, #341).
• Switch to tomllib/tomli to support heterogeneous arrays (Sebastian Csar, #340).
• Provide whitelist parity for MagicMock and Mock (maxrake).
• Use .gitignore to exclude files if --exclude is missing from both pyproject.toml and the command line (whosayn, #344, #345).
• Properly detect when no .gitignore is present (travisdart, #346).

2.10 (2023-10-06)

• Drop support for Python 3.7 (Jendrik Seipp, #323).
• Add support for Python 3.12 (Jendrik Seipp, #332).
• Use end_lineno AST attribute to obtain more accurate line counts (Jendrik Seipp).

2.9.1 (2023-08-21)

• Use exit code 0 for --help and --version again (Jendrik Seipp, #321).

2.9 (2023-08-20)

• Use exit code 3 when dead code is found (whosayn, #319).
• Treat non-supported decorator names as "@" instead of crashing (Llandy3d and Jendrik Seipp, #284).
• Drop support for Python 3.6 (Jendrik Seipp).

2.8 (2023-08-10)

• Add UnicodeEncodeError exception handling to core.py (milanbalazs, #299).
• Add whitelist for Enum attributes _name_ and _value_ (Eugene Toder, #305).
• Run tests and add PyPI trove for Python 3.11 (Jendrik Seipp).

2.7 (2023-01-08)

• Ignore setup_module(), teardown_module(), etc. in pytest test_*.py files (Jendrik Seipp).
• Add whitelist for socketserver.TCPServer.allow_reuse_address (Ben Elliston).
• Clarify that --exclude patterns are matched against absolute paths (Jendrik Seipp, #260).
• Fix example in README file (Jendrik Seipp, #272).

2.6 (2022-09-19)

• Add basic match statement support (kreathon, #276, #291).

2.5 (2022-07-03)

• Mark imports in __all__ as used (kreathon, #172, #282).
• Add whitelist for pint.UnitRegistry.default_formatter (Ben Elliston, #258).

2.4 (2022-05-19)

• Print absolute filepaths as relative again (as in version 2.1 and before) if they are below the current directory (The-Compiler, #246).
• Run tests and add PyPI trove for Python 3.10 (chayim, #266).
• Allow using the del keyword to mark unused variables (sshishov, #279).

2.3 (2021-01-16)

• Add pre-commit hook (Clément Robert, #244).

2.2 (2021-01-15)

• Only parse format strings when being used with locals() (jingw, #225).
• Don't override paths in pyproject.toml with empty CLI paths (bcbnz, #228).
• Run continuous integration tests for Python 3.9 (ju-sh, #232).
• Use pathlib internally (ju-sh, #226).

2.1 (2020-08-19)

• Treat getattr/hasattr(obj, "constant_string", ...) as a reference to obj.constant_string (jingw, #219).
• Fix false positives when assigning to x.some_name but reading via some_name, at the cost of potential false negatives (jingw, #221).
• Allow reading options from pyproject.toml (Michel Albert, #164, #215).

2.0 (2020-08-11)

• Parse # type: ... comments if on Python 3.8+ (jingw, #220).
• Bump minimum Python version to 3.6 (Jendrik Seipp, #218). The last Vulture release that supports Python 2.7 and Python 3.5 is version 1.6.
• Consider all files under test or tests directories test files (Jendrik Seipp).
• Ignore logging.Logger.propagate attribute (Jendrik Seipp).

1.6 (2020-07-28)

• Differentiate between functions and methods (Jendrik Seipp, #112, #209).
• Move from Travis to GitHub actions (RJ722, #211).

1.5 (2020-05-24)

• Support flake8 "noqa" error codes F401 (unused import) and F841 (unused local variable) (RJ722, #195).
• Detect unreachable code in conditional expressions (Agathiyan Bragadeesh, #178).

1.4 (2020-03-30)

• Ignore unused import statements in __init__.py (RJ722, #192).
• Report first decorator's line number for unused decorated objects on Python 3.8+ (RJ722, #200).
• Check code with black and pyupgrade.

1.3 (2020-02-03)

• Detect redundant 'if' conditions without 'else' blocks.
• Add whitelist for string.Formatter (Joseph Bylund, #183).

1.2 (2019-11-22)

• Fix tests for Python 3.8 (#166).
• Use new Constant AST node under Python 3.8+ (#175).
• Add test for f-strings (#177).
• Add whitelist for logging module.

1.1 (2019-09-23)

• Add sys.excepthook to sys whitelist.
• Add whitelist for ctypes module.
• Check that type annotations are parsed and type comments are ignored (thanks @kx-chen).
• Support checking files with BOM under Python 2.7 (#170).

1.0 (2018-10-23)

• Add --ignore-decorators flag (thanks @RJ722).
• Add whitelist for threading module (thanks @andrewhalle).

0.29 (2018-07-31)

• Add --ignore-names flag for ignoring names matching the given glob patterns (thanks @RJ722).

0.28 (2018-07-05)

• Add --make-whitelist flag for reporting output in whitelist format (thanks @RJ722).
• Ignore case of --exclude arguments on Windows.
• Add *-test.py to recognized test file patterns.
• Add failureException, longMessage and maxDiff to unittest whitelist.
• Refer to actual objects rather than their mocks in default whitelists (thanks @RJ722).
• Don't import any Vulture modules in setup.py (thanks @RJ722).

0.27 (2018-06-05)

• Report while (True): ... else: ... as unreachable (thanks @RJ722).
• Use argparse instead of optparse.
• Whitelist Mock.return_value and Mock.side_effect in unittest.mock module.
• Drop support for Python 2.6 and 3.3.
• Improve documentation and test coverage (thanks @RJ722).

0.26 (2017-08-28)

• Detect async function definitions (thanks @RJ722).
• Add Item.get_report() method (thanks @RJ722).
• Move method for finding Python modules out of Vulture class.

0.25 (2017-08-15)

• Detect unsatisfiable statements containing and, or and not.
• Use filenames and line numbers as tie-breakers when sorting by size.
• Store first and last line numbers in Item objects.
• Pass relevant options directly to scavenge() and report().

0.24 (2017-08-14)

• Detect unsatisfiable while-conditions (thanks @RJ722).
• Detect unsatisfiable if- and else-conditions (thanks @RJ722).
• Handle null bytes in source code.

0.23 (2017-08-10)

• Add --min-confidence flag (thanks @RJ722).

0.22 (2017-08-04)

• Detect unreachable code after return, break, continue and raise (thanks @RJ722).
• Parse all variable and attribute names in new format strings.
• Extend ast whitelist.

0.21 (2017-07-26)

• If an unused item is defined multiple times, report it multiple times.
• Make size estimates for function calls more accurate.
• Create wheel files for Vulture (thanks @RJ722).

0.20 (2017-07-26)

• Report unused tuple assignments as dead code.
• Report attribute names that have the same names as variables as dead code.
• Let Item class inherit from object (thanks @RJ722).
• Handle names imported as aliases like all other used variable names.
• Rename Vulture.used_vars to Vulture.used_names.
• Use function for determining which imports to ignore.
• Only try to import each whitelist file once.
• Store used names and used attributes in sets instead of lists.
• Fix estimating the size of code containing ellipses (...).
• Refactor and simplify code.

0.19 (2017-07-20)

• Don't ignore __foo variable names.
• Use separate methods for determining whether to ignore classes and functions.
• Only try to find a whitelist for each defined import once (thanks @roivanov).
• Fix finding the last child for many types of AST nodes.

0.18 (2017-07-17)

• Make --sort-by-size faster and more accurate (thanks @RJ722).

0.17 (2017-07-17)

• Add get_unused_code() method.
• Return with exit code 1 when syntax errors are found or files can't be read.

0.16 (2017-07-12)

• Differentiate between unused classes and functions (thanks @RJ722).
• Add --sort-by-size option (thanks @jackric and @RJ722).
• Count imports as used if they are accessed as module attributes.

0.15 (2017-07-04)

• Automatically include whitelists based on imported modules (thanks @RJ722).
• Add --version parameter (thanks @RJ722).
• Add appveyor tests for testing on Windows (thanks @RJ722).

0.14 (2017-04-06)

• Add stub whitelist file for Python standard library (thanks @RJ722)
• Ignore class names starting with "Test" in "test_" files (thanks @thisch).
• Ignore "test_" functions only in "test_" files.

0.13 (2017-03-06)

• Ignore star-imported names since we cannot detect whether they are used.
• Move repository to GitHub.

0.12 (2017-01-05)

• Detect unused imports.
• Use tokenize.open() on Python >= 3.2 for reading input files, assume UTF-8 encoding on older Python versions.

0.11 (2016-11-27)

• Use the system's default encoding when reading files.
• Report syntax errors instead of aborting.

0.10 (2016-07-14)

• Detect unused function and method arguments (issue #15).
• Detect unused *args and **kwargs parameters.
• Change license from GPL to MIT.

0.9 (2016-06-29)

• Don't flag attributes as unused if they are used as global variables in another module (thanks Florian Bruhin).
• Don't consider "True" and "False" variable names.
• Abort with error message when invoked on .pyc files.

0.8.1 (2015-09-28)

• Fix code for Python 3.

0.8 (2015-09-28)

• Do not flag names imported with "import as" as dead code (thanks Tom Terrace).

0.7 (2015-09-26)

• Exit with exitcode 1 if path on commandline can't be found.
• Test vulture with vulture using a whitelist module for false positives.
• Add tests that run vulture as a script.
• Add "python setup.py test" command for running tests.
• Add support for tox.
• Raise test coverage to 100%.
• Remove ez_setup.py.

0.6 (2014-09-06)

• Ignore function names starting with "test_".
• Parse variable names in new format strings (e.g. "This is {x}".format(x="nice")).
• Only parse alphanumeric variable names in format strings and ignore types.
• Abort with exit code 1 on syntax errors.
• Support installation under Windows by using setuptools (thanks Reuben Fletcher-Costin).

0.5 (2014-05-09)

• If dead code is found, exit with 1.

0.4.1 (2013-09-17)

• Only warn if a path given on the command line cannot be found.

0.4 (2013-06-23)

• Ignore unused variables starting with an underscore.
• Show warning for syntax errors instead of aborting directly.
• Print warning if a file cannot be found.

0.3 (2012-03-19)

• Add support for python3
• Report unused attributes
• Find tuple assignments in comprehensions
• Scan files given on the command line even if they don't end with .py

0.2 (2012-03-18)

• Only format nodes in verbose mode (gives 4x speedup).

0.1 (2012-03-17)

• First release.