astral-sh/ty 0.0.1-alpha.7

on GitHub

Release Notes

Bug fixes

• Implement Python's floor-division semantics for Literal ints (#18249)
• Don't warn about a yield expression not being in a function if the yield expression is in a function (#18008)
• Fix inference of attribute writes to unions/intersections that including module-literal types (#18313)
• Fix false-positive diagnostics in binary comparison inference logic for intersection types (#18266)
• Fix instance vs callable subtyping/assignability (#18260)
• Ignore ClassVar declarations when resolving instance members (#18241)
• Fix crash when hovering over a ty_extensions.Intersection[A, B] expression in an IDE context (#18321)
• Respect MRO_NO_OBJECT_FALLBACK policy when looking up symbols on type instances (#18312)
• get_protocol_members returns a frozenset, not a tuple (#18284)

Typing semantics and features

• Support import <namespace> and from <namespace> import module (#18137)
• Support frozen dataclasses (#17974)
• Understand that the presence of a __getattribute__ method indicates arbitrary members can exist on a type (#18280)
• Add a subdiagnostic if invalid-return-type is emitted on a method with an empty body on a non-protocol subclass of a protocol class (#18243)
• Improve invalid-type-form diagnostic where a module-literal type is used in a type expression and the module has a member which would be valid in a type expression (#18244)
• Split invalid-base error code into two error codes (#18245)
• Rename call-possibly-unbound-method to possibly-unbound-implicit-call (#18017)

Configuration

• Add tests to src.root by default if a tests/ directory exists and is not a package (#18286)
• Tell the user why we inferred the Python version we inferred (#18082)
• Add support for detecting activated Conda and Pixi environments (#18267)
• Move respect-ignore-files configuration setting under src section (#18322)

Server

• Fix server panic when calling system_mut (#18252)
• Abort process if worker thread panics (#18211)
• Gracefully handle salsa cancellations and panics in background request handlers (#18254)

Contributors

• @felixscherz
• @carljm
• @j178
• @thejchap
• @brainwane
• @AlexWaygood
• @lipefree
• @InSyncWithFoo
• @brandtbucher
• @MichaReiser
• @maxmynter
• @fabridamicelli
• @sharkdp

Install ty 0.0.1-alpha.7

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ty/releases/download/0.0.1-alpha.7/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.7/ty-installer.ps1 | iex"

Download ty 0.0.1-alpha.7