v1.3.1

Fixed

• ImportError due to missing mypy_extensions dependency by @zsol in #1128

Full Changelog: v1.3.0...v1.3.1

v1.3.0

Updated

• Removed dependencies on typing_extensions and typing_inspect by @zsol in #1126

Full Changelog: v1.2.0...v1.3.0

v1.2.0

Updated

• Support running LibCST on Python 3.12 and drop support for running it on 3.8
  • remove 3.8 support by @zsol in #1073
  • Remove reference to distutils by @zsol in #1099
  • Update pyproject.toml for Python 3.12 support by @itamaro in #1038

Added

• Allow Element::codegen to be used by external users by @Wilfred in #1071

Fixed

• Fix parsing list matchers without explicit brackets by @zsol in #1097
• installing rustc/cargo for mybinder demo by @aleivag in #1083
• fix filepathprovider generic type by @kinto0 in #1036

New Contributors

• @itamaro made their first contribution in #1039
• @kinto0 made their first contribution in #1036
• @dtolnay made their first contribution in #1063
• @anonymousdouble made their first contribution in #1082
• @aleivag made their first contribution in #1083
• @Wilfred made their first contribution in #1071
• @diliop made their first contribution in #1106

Full Changelog: v1.1.0...v1.2.0

v1.1.0

Added

• PEP 695 support
  • parser: PEP 695 - Type Parameter Syntax #1004
  • Scope provider: support for type annotations #1014
• PEP 701 support
  • parser: support arbitrarily nested f-strings #1026
  • parser: Parse multiline expressions in f-strings #1027
• parser: Support files with mixed newlines #1007
• libcst is now published to crates.io

Fixed

• codemod/ApplyTypeAnnotationsVisitor: Do not annotate the same variable multiple times #956
• parser: Don't swallow trailing whitespace #976
• codemod/rename: Avoid duplicating import statements when the module name doesn't change #981

Updated

• cli: Don't gather dirs ending .py #994
• drop support for Python 3.7 #997
• A few parser performance improvements:
  • Switch to using thread_local regular expressions to stop mutext contention #996
  • Remove need for regex in TextPosition::matches #1002
  • Remove Regexes from whitespace parser #1008

New Contributors

• @apbard made their first contribution in #957
• @orf made their first contribution in #995
• @MichaReiser made their first contribution in #1007
• @andrecsilva made their first contribution in #1024

Full Changelog: v1.0.1...v1.1.0

v1.0.1

Fixed

• Fix type of evaluated_value on string to allow bytes by @ljodal in #721
• Fix Sentinal typo by @kit1980 in #948
• Allow no whitespace after lambda body in certain cases by @zsol in #939
• Fix whitespace, fstring, walrus related parse errors (#939, #938, #937,
  #936, #935, #934, #933, #932, #931) by @zsol in #940
• Codemod CLI: Print diff only when there is a change by @kit1980 in #945

New Contributors

• @ljodal made their first contribution in #721
• @kit1980 made their first contribution in #948

Full Changelog: v1.0.0...v1.0.1

v1.0.0

The first major release of LibCST is essentially the same as 0.4.10, but using the
newer, Rust-based parser implementation by default. The old, pure Python parser is
scheduled for removal in the next (non-patch) release. Until then, it is available with
the LIBCST_PARSER_TYPE environment variable set to pure.

Updated

• Switch the default parser implementation to native by @zsol in #929

Full Changelog: v0.4.10...v1.0.0

v0.4.10

New Contributors

• @and-semakin made their first contribution in #816
• @carljm made their first contribution in #828
• @sagarbadiyani made their first contribution in #841
• @podtserkovskiy made their first contribution in #894
• @rchen152 made their first contribution in #903
• @Kludex made their first contribution in #913
• @jakkdl made their first contribution in #921

Added

• Add py3.11 classifier by @and-semakin in #816
• Script to regenerate test fixtures, upgrade to Pyre 0.9.10 by @amyreese in #872
• Allow FullyQualifiedNameProvider to work with absolute paths by @amyreese in #867
• Allow running codemods without configuring in YAML by @akx in #879
• Support PEP 604 in ApplyTypeAnnotationsVisitor by @hauntsaninja in #868

Fixed

• fix PEP 604 union annotations in decorators by @carljm in #828
• [AddImportsVisitor] Docstring Check Only for the Top Element of the Body by @sagarbadiyani in #841
• Fix #855 - fail to parse with statement by @stroxler in #861
• Add setuptools-rust to build requirements in setup.py by @amyreese in #873
• Relative imports from '' package are not allowed by @podtserkovskiy in #894
• Use subprocess.DEVNULL instead of opening os.devnull by hand by @akx in #897
• Ensure current Python interpreter is used for subprocesses by @akx in #898
• Fix ApplyTypeAnnotationsVisitor behavior on attribute assignments. by @rchen152 in #903
• Fix spelling and grammar in some comments by @stroxler in #908
• skip escaped backslash in rf-string by @jakkdl in #921
• relax validation rules on decorators by @jakkdl in #926

Full Changelog: v0.4.9...v0.4.10

v0.4.9

Updated

• Bump setuptools-rust version by @zsol in #809

Full Changelog: v0.4.8...v0.4.9

v0.4.8

New Contributors

• @dhruvmanila made their first contribution in #728
• @vfazio made their first contribution in #801
• @matthewshaer made their first contribution in #807

Fixed

• Fix parse error message for number parsing by @zzl0 in #724
• Fix problematic doc build, due to the new builder image provided by readthedocs doesn't has the graphviz-dev package pre-installed any more by @MapleCCC in #751
• Fix docstring of FullRepoManager by @MapleCCC in #750
• Fix bug when TypeOf is one of options in OneOf / AllOf by @MapleCCC in #756
• Tighten the metadata type of ExpressionContextProvider by @MapleCCC in #760
• Fix the bug that the use of formatter in codemods has undetermined target Python version, resulting in hard-to-reason-with behavior by @MapleCCC in #771

Added

• Python 3.11 rutime support
  • test using python 3.11 beta versions by @zsol in #723
  • Python 3.11 wheels by @vfazio in #801
• Raise informative exception when metadata is unresolved in a metadata-based match by @MapleCCC in #757
• Add AccessorProvider by @matthewshaer in #807

Full Changelog: v0.4.7...v0.4.8

v0.4.7

New Contributors

• @Chenguang-Zhu made their first contribution in #720

Fixed

• Fix get_qualified_names_for matching on prefixes of the given name by @lpetre in #719

Added

• Implement lazy loading mechanism for expensive metadata providers by @Chenguang-Zhu in #720

Full Changelog: v0.4.6...v0.4.7