astral-sh/ty 0.0.1-alpha.6

on GitHub

Release Notes

Server

• Add rule link to server diagnostics (#18128)
• Avoid panicking when there are multiple workspaces (#18151)
• Show related information in diagnostic (#17359)

Configuration

• Default src.root setting to ['.', '<project_name>'] if an src/ directory does not exist but a <project-name>/<project-name> directory does exist (#18141)

Typing semantics and features

• Consider a class with a dynamic element in its MRO assignable to any subtype of type (#18205)
• Ensure that a function-literal type is always considered equivalent to itself (#18227)
• Promote literals when inferring class specializations from constructors (#18102)
• Support typing.TypeAliasType (#18156)
• Infer function-call type variables in both directions (#18155)

Improvements to modeling of runtime semantics

• Integer indexing into bytes returns int (#18218)
• Emit invalid-exception-caught diagnostics even when the caught exception is not bound to a variable (#18202)

Usability improvements

• Add hint to some diagnostics that PEP 604 union syntax is only available on Python 3.10+ (#18192)
• Add note to unresolved-import diagnostic hinting to users to configure their Python environment (#18207)
• Make division-by-zero an opt-in diagnostic rather than opt-out (#18220)

Import resolution improvements

• Add support for PyPy virtual environments (#18203)

Contributors

• @dhruvmanila
• @InSyncWithFoo
• @AlexWaygood
• @MichaReiser
• @BradonZhang
• @dcreager
• @danielhollas
• @esadek
• @kiran-4444
• @Mathemmagician
• @sharkdp
• @felixscherz
• @adamaaronson
• @carljm

Install ty 0.0.1-alpha.6

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.6/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.6/ty-installer.ps1 | iex"

Download ty 0.0.1-alpha.6