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Followup tasks for checkmember.py refactoring

metaIssues tracking a broad area of workIssues tracking a broad area of work

priority-1-normal

refactoringChanging mypy's internalsChanging mypy's internals

Status: Open.

#19299 In python/mypy;

· ilevkivskyi opened on Jun 14, 2025

Support pipe operator for defining types in tests

feature

refactoringChanging mypy's internalsChanging mypy's internals

topic-tests

Status: Open.

#18740 In python/mypy;

· svalentin opened on Feb 26, 2025

Refactor mypy to use query-based architecture

feature

refactoringChanging mypy's internalsChanging mypy's internals

topic-developerIssues relevant to mypy developersIssues relevant to mypy developers

Status: Open.

#12911 In python/mypy;

· pranavrajpal opened on May 31, 2022

Speed up union simplification

performance

refactoringChanging mypy's internalsChanging mypy's internals

Status: Open.

#12526 In python/mypy;

· JukkaL opened on Apr 5, 2022

<code>isinstance(x, CallableType) and x.is_type_object()</code> is a code smell

bugmypy got something wrongmypy got something wrong

refactoringChanging mypy's internalsChanging mypy's internals

topic-developerIssues relevant to mypy developersIssues relevant to mypy developers

Status: Open.

#12320 In python/mypy;

· hauntsaninja opened on Mar 9, 2022

Get rid of make_simplified_union() except in error messages

bugmypy got something wrongmypy got something wrong

performance

priority-1-normal

refactoringChanging mypy's internalsChanging mypy's internals

topic-union-types

Status: Open.

#8624 In python/mypy;

· ilevkivskyi opened on Apr 3, 2020

Get rid of fake TypeInfo's for TypedDicts

bugmypy got something wrongmypy got something wrong

priority-1-normal

refactoringChanging mypy's internalsChanging mypy's internals

topic-typed-dict

Status: Open.

#8620 In python/mypy;

· ilevkivskyi opened on Apr 2, 2020

Refactor parial types to avoid code duplication

priority-1-normal

refactoringChanging mypy's internalsChanging mypy's internals

Status: Open.

#8043 In python/mypy;

· ilevkivskyi opened on Nov 30, 2019

Read terminal color codes in daemon client on every run

priority-2-low

refactoringChanging mypy's internalsChanging mypy's internals

topic-daemondmypydmypy

topic-usability

Status: Open.

#7684 In python/mypy;

· ilevkivskyi opened on Oct 10, 2019

Implement an analog of map_instance_to_supertype() for protocol supertypes

refactoringChanging mypy's internalsChanging mypy's internals

topic-protocols

Status: Open.

#7431 In python/mypy;

· ilevkivskyi opened on Aug 30, 2019

Refactor and document conditional type binder

priority-0-high

refactoringChanging mypy's internalsChanging mypy's internals

topic-type-narrowingConditional type narrowing / binderConditional type narrowing / binder

Status: Open.

#7324 In python/mypy;

· ilevkivskyi opened on Aug 12, 2019

Plugin api named_type() is ambiguous and inconsistent and broken

priority-1-normal

refactoringChanging mypy's internalsChanging mypy's internals

topic-pluginsThe plugin API and ideas for new pluginsThe plugin API and ideas for new plugins

Status: Open.

#6578 In python/mypy;

· gvanrossum opened on Mar 20, 2019