Libcst

Fixed

- Restore the 0.4.1 behavior for libcst.helpers.get_absolute_module by lpetre in https://github.com/Instagram/LibCST/pull/684

New Contributors

- stanislavlevin made their first contribution in https://github.com/Instagram/LibCST/pull/650
- dmitryvinn made their first contribution in https://github.com/Instagram/LibCST/pull/655
- wiyr made their first contribution in https://github.com/Instagram/LibCST/pull/669
- toofar made their first contribution in https://github.com/Instagram/LibCST/pull/675

Fixed

- native: Avoid crashing by making IntoPy conversion fallible by zsol in https://github.com/Instagram/LibCST/pull/639
- native: make sure ParserError's line is zero-indexed by zsol in https://github.com/Instagram/LibCST/pull/681
- Fix space validation for AsName and Await by zsol in https://github.com/Instagram/LibCST/pull/641
- Qualified Name Provider: Fix returned qname for symbols that are prefixes of each other by wiyr in https://github.com/Instagram/LibCST/pull/669
- Rename Codemod: Correct last renamed import from by toofar in https://github.com/Instagram/LibCST/pull/675
- Many changes to the Apply Type Comments codemod:
- Allow for skipping quotes when applying type comments by stroxler in https://github.com/Instagram/LibCST/pull/644
- Port pyre fixes by stroxler in https://github.com/Instagram/LibCST/pull/651
- Preserve as-imports when merging type annotations. by martindemello in https://github.com/Instagram/LibCST/pull/664
- Qualify imported symbols when the dequalified form would cause a conflict by martindemello in https://github.com/Instagram/LibCST/pull/674
- Add an argument to always qualify imported type annotations. by martindemello in https://github.com/Instagram/LibCST/pull/676

Added

- Create an AddTrailingCommas codemod by stroxler in https://github.com/Instagram/LibCST/pull/643
- Define gather global names visitor by shannonzhu in https://github.com/Instagram/LibCST/pull/657

Updated

- Support module and package names in the codemod context by lpetre in https://github.com/Instagram/LibCST/pull/662
- Drop support for running libcst using a python 3.6 interpreter by lpetre in https://github.com/Instagram/LibCST/pull/663
- Update relative import logic to match cpython by lpetre in https://github.com/Instagram/LibCST/pull/660
- Scope Provider: Consider access information when computing qualified names for nodes by lpetre in https://github.com/Instagram/LibCST/pull/682

New Contributors

- ariebovenberg made their first contribution in https://github.com/Instagram/LibCST/pull/605
- sehz made their first contribution in https://github.com/Instagram/LibCST/pull/598

Added

- Add docs about the native parts by zsol in https://github.com/Instagram/LibCST/pull/601
- Specify minimum rust toolchain version by zsol in https://github.com/Instagram/LibCST/pull/614
- build wheels on main branch for linux/arm64 by zsol in https://github.com/Instagram/LibCST/pull/630

Updated

- ApplyTypeAnnotationVisitor changes
- Add support for methods with func type comment excluding self/cls by stroxler in https://github.com/Instagram/LibCST/pull/622
- Merge in TypeVars and Generic base classes in ApplyTypeAnnotationVisitor by martindemello in https://github.com/Instagram/LibCST/pull/596
- Full handling for applying type comments to Assign by stroxler in https://github.com/Instagram/LibCST/pull/599
- Add support for For and With by stroxler in https://github.com/Instagram/LibCST/pull/607
- Support FunctionDef transformations by stroxler in https://github.com/Instagram/LibCST/pull/610
- change pyo3 as optional dependency in native Python Parser by sehz in https://github.com/Instagram/LibCST/pull/598
- add slots to base classes, add_slots takes bases into account by ariebovenberg in https://github.com/Instagram/LibCST/pull/605
- [native] Box most enums by zsol in https://github.com/Instagram/LibCST/pull/632
- [native] Return tuples instead of lists in CST nodes by zsol in https://github.com/Instagram/LibCST/pull/631

Fixed

- Allow trailing whitespace without newline at EOF by zsol in https://github.com/Instagram/LibCST/pull/611
- Handle ast.parse failures when converting function type comments by stroxler in https://github.com/Instagram/LibCST/pull/616
- [native] Don't redundantly nest StarredElement inside another Element by isidentical in https://github.com/Instagram/LibCST/pull/624
- [native] Allow unparenthesized tuples inside f-strings by isidentical in https://github.com/Instagram/LibCST/pull/621
- Don't require whitespace right after match by isidentical in https://github.com/Instagram/LibCST/pull/628
- Proxy both parentheses in some pattern matching nodes by isidentical in https://github.com/Instagram/LibCST/pull/626

This release contains a new parsing infrastructure that is turned off by default. You
can enable it by setting the `LIBCST_PARSER_TYPE` environment variable to `native`
before parsing an input with the usual LibCST APIs. Parsing Python 3.10 documents is
only supported in this new mode.

Note: the new parser is built as a native extension, so LibCST will ship with binary
wheels from now on.

Added

- Implement a Python PEG parser in Rust by zsol in [566](https://github.com/Instagram/LibCST/pull/566)
- implement PEP-654: except\* by zsol in [571](https://github.com/Instagram/LibCST/pull/571)
- Implement PEP-634 - Match statement by zsol in [568](https://github.com/Instagram/LibCST/pull/568)
- Add instructions to codegen test failures by stroxler in [582](https://github.com/Instagram/LibCST/pull/582)
- Support Parenthesized With Statements by stroxler in [584](https://github.com/Instagram/LibCST/pull/584)
- Support relative imports in AddImportsVisitor by martindemello in [585](https://github.com/Instagram/LibCST/pull/585)
- Codemod for PEP 484 Assign w / type comments -> PEP 526 AnnAssign by stroxler in [594](https://github.com/Instagram/LibCST/pull/594)

Updated

- Update license headers by zsol in [560](https://github.com/Instagram/LibCST/pull/560)
- Use precise signature matching when inserting function type annotations by martindemello in [591](https://github.com/Instagram/LibCST/pull/591)

Fixed

- Fix missing string annotation references [561](https://github.com/Instagram/LibCST/pull/561)

Added

- Add --indent-string option to `libcst.tool print` [525](https://github.com/Instagram/LibCST/pull/525)
- Publish pre-release packages to test.pypi.org [550](https://github.com/Instagram/LibCST/pull/550)
- Add ImportAssignment class extending Assignment to record assignments for import statements [554](https://github.com/Instagram/LibCST/pull/554)

Fixed

- Various documentation fixes [527](https://github.com/Instagram/LibCST/pull/527), [#529](https://github.com/Instagram/LibCST/pull/529)
- Do not add imports if we added no type info in ApplyTypeAnnotationVisitor [(commit)](https://github.com/Instagram/LibCST/commit/87625d02b6cb321c9c29ba1c67d81ce954a1a396)
- Support relative imports in ApplyTypeAnnotationVisitor qualifier handling [538](https://github.com/Instagram/LibCST/pull/538)
- Don't gather metadata if the wrapper already contains it [545](https://github.com/Instagram/LibCST/pull/545)
- Swallow parsing errors in string annotations [548](https://github.com/Instagram/LibCST/pull/548)
- Stop parsing string annotations when no longer in a typing call [546](https://github.com/Instagram/LibCST/pull/546)

Updated

- Move find_qualified_names_for in the Assignment class [557](https://github.com/Instagram/LibCST/pull/557)