Insights: python/mypy

10 Pull requests merged by 4 people

• Stubtest: Improve heuristics for determining whether global-namespace names are imported

  #14270 merged Dec 22, 2022

• Refactor TypeState into a singleton class

  #14327 merged Dec 21, 2022

• Change various type queries into faster bool type queries

  #14330 merged Dec 21, 2022

• Avoid the use of a context manager in hot code path

  #14331 merged Dec 21, 2022

• Tool to compare performance of any number of mypy commits/branches

  #14332 merged Dec 21, 2022

• Speed up the implementation of hasattr() checks

  #14333 merged Dec 26, 2022

• Fix docs build

  #14334 merged Dec 21, 2022

• Avoid slow error message logic if errors not shown to user

  #14336 merged Dec 26, 2022

• Improve searchability for module level type ignore errors

  #14342 merged Dec 25, 2022

• mypy_primer_comment: Resolve node.js 12 actions deprecation warning

  #14352 merged Dec 28, 2022

4 Pull requests opened by 3 people

• Don't read scripts without extensions as modules in namespace mode

  #14335 opened Dec 21, 2022

• [mypyc] Improve error message for multiple inheritance.

  #14344 opened Dec 25, 2022

• [undefined vars] do not double report errors in class defs

  #14350 opened Dec 27, 2022

• [undefined vars] fix per-module error code override bug

  #14351 opened Dec 27, 2022

7 Issues closed by 5 people

• "Make mypy more positive #7368" breaks CI/CD workflow

  #14349 closed Dec 27, 2022

• Add an explanation of what error mypy produces when importing from a module with a top-line comment `# type: ignore`

  #14340 closed Dec 25, 2022

• dmypy deameon crash after switching branches

  #14234 closed Dec 24, 2022

• False positive error when using a NewType as a defaultdict's default_factory

  #14339 closed Dec 22, 2022

• Help

  #14341 closed Dec 22, 2022

• mypy loses track of data descriptor type

  #14192 closed Dec 21, 2022

• Errors non-reproducible locally

  #14282 closed Dec 21, 2022

8 Issues opened by 8 people

• If .mypy_cache exists "AttributeError: attribute 'mro' of 'TypeInfo' undefined"

  #14353 opened Dec 28, 2022

• mypy sometimes emits fewer errors when running on multiple files at once

  #14348 opened Dec 26, 2022

• ParamSpec + Generics false positive

  #14347 opened Dec 26, 2022

• Allow for specifying default types based on name

  #14346 opened Dec 26, 2022

• Incorrect asynchronous comprehension cause an internal error

  #14345 opened Dec 26, 2022

• Deny free type variables in instance attributes coming from constructor args

  #14343 opened Dec 25, 2022

• Combining an `or` and `dict.get` results in the wrong inferred type.

  #14338 opened Dec 22, 2022

• Callables like `operator.call` produce `arg-type` error with generic functions

  #14337 opened Dec 22, 2022

13 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• subtypes: fast path for Union/Union subtype check

  #14277 commented on Dec 22, 2022 • 8 new comments

• Enable use-before-def error code by default

  #14166 commented on Dec 27, 2022 • 6 new comments

• ✨ Added new Error to TypedDict

  #14225 commented on Dec 24, 2022 • 4 new comments

• Release 1.0 planning

  #13685 commented on Dec 24, 2022 • 2 new comments

• Track mypy performance changes automatically

  #14187 commented on Dec 22, 2022 • 1 new comment

• Associated types on generics

  #7790 commented on Dec 22, 2022 • 1 new comment

• False positive on re.compile as attrs converter

  #5313 commented on Dec 22, 2022 • 1 new comment

• [Feature Request] Provide an API to get the type of the expressions in the AST

  #4868 commented on Dec 24, 2022 • 1 new comment

• Support both warnings and errors

  #962 commented on Dec 26, 2022 • 1 new comment

• Tuple-like Sequence

  #8441 commented on Dec 27, 2022 • 1 new comment

• Fixes no error thrown for Final fields declared with init=False and not assigned inside __init__

  #14285 commented on Dec 22, 2022 • 1 new comment

• AssertionError: Must not defer during final iteration & TypeError: '<' not supported between instances of 'ArgKind' and 'ArgKind'

  #14329 commented on Dec 21, 2022 • 0 new comments

• AttributeError: attribute '_fullname' of 'TypeInfo' undefined

  #14296 commented on Dec 24, 2022 • 0 new comments