astral-sh/ty 0.0.1-alpha.18

on GitHub

Release Notes

Bug fixes

• Fix goto definition on imports (#19834)
• Support non-generic recursive type aliases that use the type statement (#19805)
• Handle cycles when finding implicit attributes (#19833)

Server

• Implement support for "rename" language server feature (#19551)
• Add ty.experimental.rename server setting (#19800)
• Add ty.inlayHints.variableTypes server setting (#19780)
• Add inlay hints for call arguments (configured by ty.inlayHints.callArgumentNames server setting) (#19269)
• Enable goto definition to jump to the runtime definition in the standard library for stdlib symbols (rather than the type definition in typeshed's stubs) (#19529)
• Support LSP client settings (#19614)
• Update goto range for attribute access to only target the attribute (#19848)
• Warn users if the server received unknown options (#19779)
• Render docstrings in hover (#19882)
• Resolve docstrings for modules (#19898)

Typing semantics and features

• Add precise inference for indexing, slicing and unpacking NamedTuple instances (#19560)
• Disallow typing.TypedDict in type expressions (#19777)
• Implement module-level __getattr__ support (#19791)
• Improve ability to solve TypeVars when they appear in unions (#19829)
• Improve subscript narrowing for collections.ChainMap, collections.Counter, collections.deque and collections.OrderedDict (#19781)
• Extend all tuple special casing to tuple subclasses (#19669)
• Use separate Rust types for bound and unbound type variables (#19796)
• Validate writes to TypedDict keys (#19782)
• typing.Self is bound by the method, not the class (#19784)
• Fix deferred name loading in PEP695 generic classes/functions (#19888)
• Improve handling of symbol-lookup edge cases involving class scopes (#19795)

Performance

• Improve performance around tuple types (#19840)
• Improve performance of subtyping and assignability checks for protocols (#19824)
• Improve multithreaded performance for large codebases (#19867)

Memory usage optimizations

• Reduce memory usage of TupleSpec and TupleType (#19872)
• Reduce size of member table (#19572)

Contributors

• @AlexWaygood
• @Gankra
• @ntbre
• @MichaReiser
• @PrettyWood
• @dhruvmanila
• @carljm
• @dcreager
• @UnboundVariable
• @sharkdp
• @oconnor663
• @MatthewMckee4

Install ty 0.0.1-alpha.18

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.18/ty-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.18/ty-installer.ps1 | iex"

Download ty 0.0.1-alpha.18