Insights: python/mypy

13 Pull requests merged by 9 people

• Fall back to FORCE_COLOR environment variable if MYPY_FORCE_COLOR is not present

  #13814 merged Oct 4, 2022

• Support package and module in config file

  #13404 merged Oct 4, 2022

• Move an import to avoid cyclic imports

  #13809 merged Oct 4, 2022

• Ignore promotions when simplifying unions

  #13781 merged Oct 3, 2022

• Remove unnecessary comment line

  #13793 merged Oct 3, 2022

• Fix module and protocol subtyping, module hasattr

  #13778 merged Oct 2, 2022

• Fix one mypyc test case on Python 3.11

  #13787 merged Oct 1, 2022

• Use a dedicated error code for abstract type object type error

  #13785 merged Oct 1, 2022

• Restore Type vs Callable special-casing that was broken in refactoring

  #13784 merged Sep 30, 2022

• DEP: Avoid using the deprecated `importlib.resources.path` function

  #13783 merged Sep 30, 2022

• Add pip to install_requires

  #13739 merged Sep 30, 2022

• Add test case for missing TypedDict TypeVar scope frame

  #13764 merged Sep 30, 2022

• Preserve file order of messages during successive daemon runs

  #13780 merged Sep 30, 2022

8 Pull requests opened by 5 people

• Process NameTuple and fix Union types using |

  #13788 opened Oct 1, 2022

• Allow enabling individual experimental features

  #13790 opened Oct 2, 2022

• Changed type in alias_type_in_runtime_context function

  #13791 opened Oct 3, 2022

• Add new flag for warning about instantiating classes with declared but uninitialized attributes

  #13797 opened Oct 3, 2022

• Make join of recursive types more robust

  #13808 opened Oct 4, 2022

• Opt out from the managed dict for compiled classes on Python 3.11

  #13830 opened Oct 6, 2022

• Sync typeshed

  #13831 opened Oct 7, 2022

• Improve typeshed sync scripts

  #13832 opened Oct 7, 2022

33 Issues closed by 10 people

• Nested NewType casting from super-supertype

  #13827 closed Oct 6, 2022

• Subclass may unsoundly restrict an instance variable type

  #13828 closed Oct 6, 2022

• `ParamSpec` does not consider substitution of `@overload`s

  #13540 closed Oct 6, 2022

• Using TypeVar of Generic type Can Not Pass Strict Check

  #13820 closed Oct 6, 2022

• Recurrent but not reproducible crash when writing to cache

  #12475 closed Oct 5, 2022

• Support FORCE_COLOR in addition to MYPY_FORCE_COLOR

  #13806 closed Oct 4, 2022

• Support package and module in config files

  #10728 closed Oct 4, 2022

• jsonpatch regression in 0.982/1

  #13813 closed Oct 4, 2022

• Undesirable import following behavior

  #13773 closed Oct 4, 2022

• Hashable and None have overlapping type in mypy >= 0.981

  #13805 closed Oct 3, 2022

• "'field' in typed_dict_union" discrimination

  #13802 closed Oct 3, 2022

• 100% single assignment variables

  #13798 closed Oct 3, 2022

• Inner class attribute with type the inner class is an undefined name in pyi file

  #13799 closed Oct 3, 2022

• Mypy was crashed if venv might be in same the root of project.

  #13801 closed Oct 3, 2022

• follow_imports now working from module specific configuration

  #13796 closed Oct 3, 2022

• mypy fails to narrow Union[float,int] to float after isinstance(x, float)

  #6060 closed Oct 3, 2022

• Invalid handling type narrowing with inf/float due to duck typing

  #12824 closed Oct 3, 2022

• mypy 0.981 does not simplify unions for assert_type

  #13760 closed Oct 3, 2022

• modules as protocols doesn't type-check against the protocol

  #13771 closed Oct 2, 2022

• Type annotation for instance variable in Protocol is forgotten when assigning empty container in subclass

  #13789 closed Oct 2, 2022

• Binder doesn't infer type restrictions for "parent" expressions

  #5579 closed Oct 1, 2022

• Recursive types not working correctly

  #13786 closed Oct 1, 2022

• A function returning TypeVar should receive at least one argument containing the same Typevar

  #13765 closed Oct 1, 2022

• ambiguity on using union of type[generic type] and callable in mypy==0.981

  #13756 closed Sep 30, 2022

• Don't require vcvarsall for running tests on Windows

  #11189 closed Sep 30, 2022

• Mypy uses pip for --install-types but does not list pip in requirements

  #13580 closed Sep 30, 2022

• destruct in pattern match seems to break exhaustiveness checking

  #13782 closed Sep 30, 2022

• State of the Mypy cache makes check results unpredictable

  #10221 closed Sep 30, 2022

• Use consistent order for messages from mypy daemon

  #13141 closed Sep 30, 2022

• int | float ?= float inconsistency in Callable's return value ignores overlapping overloads

  #13775 closed Sep 30, 2022

• Crash when assigning a field to a `Final` variable in a dataclass

  #13772 closed Sep 30, 2022

• Internal error when handling generic class

  #9448 closed Sep 30, 2022

• Mypy crash when @staticmethod has the same name as an attr

  #6715 closed Sep 30, 2022

21 Issues opened by 21 people

• Incompatible types in assignment (expression has type "bool", variable has type "Literal[False]") with nested code

  #13829 opened Oct 6, 2022

• Allow accessing inner classes on instances for annotations

  #13826 opened Oct 6, 2022

• Incremental crash with double re-exported alias used in function annotation

  #13825 opened Oct 6, 2022

• Inconsistent MRO error when `__new__` returns a subclass and `--warn-unreachable` is turned on

  #13824 opened Oct 6, 2022

• Allow string unpacking again.

  #13823 opened Oct 6, 2022

• stubtest crash when a referenced module is a DLL

  #13822 opened Oct 5, 2022

• mypy 0.982 run 15 minutes (previous version needs only one minute)

  #13821 opened Oct 5, 2022

• Tests fail due to failing compilation of int_ops.c

  #13819 opened Oct 5, 2022

• type checking of member assigned with lambda

  #13818 opened Oct 5, 2022

• MYPY_FORCE_COLOR only colours output on Windows, not macOS/Ubuntu

  #13817 opened Oct 4, 2022

• Destructured tuple discrimination

  #13816 opened Oct 4, 2022

• Test and document `MYPY_FORCE_COLOR`/`FORCE_COLOR`

  #13815 opened Oct 4, 2022

• Create a periodic workflow to sync typeshed

  #13812 opened Oct 4, 2022

• Union not being recognized as types.UnionType

  #13810 opened Oct 4, 2022

• Add support for control flow analysis of aliased conditions

  #13807 opened Oct 4, 2022

• attrs match type narrowing failure

  #13804 opened Oct 3, 2022

• `no-redef` when `import`-importing a module to satisfy a protocol

  #13803 opened Oct 3, 2022

• Type Narrowing failure in 0.981

  #13800 opened Oct 3, 2022

• Core dumped when using JSON.loads with a recursive type

  #13795 opened Oct 3, 2022

• attrs: Inheritance breaks mypy type checking with optional attributes if Generics are involved

  #13794 opened Oct 3, 2022

• Union[List[T], T] is not recognized by mypy

  #13792 opened Oct 3, 2022

24 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.

• feat: warn about annotations in unannotated functions

  #10748 commented on Oct 2, 2022 • 4 new comments

• File shadowing with --follow-imports=skip can cause crashes in incremental and daemon mode

  #6935 commented on Sep 30, 2022 • 2 new comments

• stubgen and Cython modules

  #7542 commented on Oct 3, 2022 • 2 new comments

• Support for default types in TypedDict

  #6131 commented on Oct 4, 2022 • 2 new comments

• Support inferring dict literals to be a union of TypedDicts

  #13274 commented on Oct 5, 2022 • 2 new comments

• callable.__call__ leads to Callable is not callable

  #5079 commented on Oct 5, 2022 • 2 new comments

• ctypes.Structure and Iterable

  #10272 commented on Oct 6, 2022 • 2 new comments

• Alternative implementation of PEP 673

  #13133 commented on Oct 2, 2022 • 2 new comments

• Add error-code for `truthy-function`

  #13686 commented on Oct 2, 2022 • 2 new comments

• Fine-grained reacts poorly to missing core cache files

  #4909 commented on Sep 30, 2022 • 1 new comment

• crash with sqlalchemy2 stubs

  #11902 commented on Sep 30, 2022 • 1 new comment

• Extend `redundant-expr` to type narrowing assertions

  #13766 commented on Sep 30, 2022 • 1 new comment

• Recognize list of constant values as a list of str.

  #13767 commented on Sep 30, 2022 • 1 new comment

• TypedDict keys reuse?

  #4128 commented on Sep 30, 2022 • 1 new comment

• Use case for typing.Type with abstract types

  #4717 commented on Oct 1, 2022 • 1 new comment

• REGR: mypyc 0.971 seems to not handle keyword-only arguments when unpickling (and shallow copying)

  #13227 commented on Oct 1, 2022 • 1 new comment

• False negative when accessing annotated class attributes

  #13103 commented on Oct 3, 2022 • 1 new comment

• Niche Incorrect Handling Of Nested Async Functions

  #13717 commented on Oct 3, 2022 • 1 new comment

• Flag to make default return type `None` instead of `Any`

  #9413 commented on Oct 5, 2022 • 1 new comment

• dmypy ignores flags and config file

  #12249 commented on Oct 5, 2022 • 1 new comment

• Enhance `stubgen` to include types for `@dataclass` private methods

  #9986 commented on Oct 7, 2022 • 1 new comment

• TypedDict Nested Dictionaries?

  #5149 commented on Oct 7, 2022 • 1 new comment

• Add option to include docstrings with stubgen

  #13284 commented on Oct 5, 2022 • 1 new comment

• `--strict` is too strict to be useful

  #7767 commented on Oct 3, 2022 • 0 new comments