Resolves #13173

Co-authored-by: hauntsaninja <>

### Description

This should fix Issue #13061 .

Mypy should now raise an error when it enco...

This reverts commit d22899f2166c1adeb9daf0326cc068beca4f7bb9.

Co-authored-by: Shantanu <[email protected]>

Use `mypy.test.config.test_data_prefix` instead of hard coding it. This
should fix mypy wheel b...

We run mypy/pyinfo.py as a script, and this means that mypy/types.py
could be picked up instead...

Co-authored-by: hauntsaninja <>

Co-authored-by: KotlinIsland <[email protected]>

Linking #12237

Fixes #12730

Co-authored-by: mrolle45

Fixes #12931

This greatly reduces complexity as each type can determine for
themselves if they are represent...

This PR hopefully resolves https://github.com/python/mypy/issues/8650.

The main change is the...

After this change, narrowing to `Ellipsis` works similarly with
regards to narrowing as `None` ...

Fixes #12605
Fixes https://github.com/mypyc/mypyc/issues/925

### Description

Fixes #11288

Warns people to not use `NoneType` as a type annotation, as r...

This fixes a recent regression introduced by the change to
use sys.path

Fixes #12956

This reverts commit 6ab2e85da006a272ec47d3db36d7769465375ecd.

Co-authored-by: Shantanu <[email protected]>

We need to flush keep alives also after a multiple assignment, as otherwise
the generated IR wi...

This PR makes mypyc flush keepalives on operator assignment statements, to prevent accessing und...

It is not referring to keyword arguments, but to arguments in general.

Fixes #8805.

See https://github.com/mypyc/mypy_mypyc-wheels/pull/35 for motivation

We also need fewer lxml...

Co-authored-by: hauntsaninja <>

Some packages may take a very long time to import, which can spuriously
trip the timeout in Mod...

- Fixes https://github.com/mypyc/mypyc/issues/924
- Fixes https://github.com/mypyc/mypyc/issues...

Source commit:
https://github.com/python/typeshed/commit/b145b32aa988bcb0c85ece32ce64df521fcafa...

Modify signature of stubgen.main to accept a user-provided list of
arguments. This allows users...

Co-authored-by: Ivan Levkivskyi <[email protected]>

Attributes can still be partially typed (e.g. `<partial list[?]>`) after
a parent-class definit...

Fixes #12489

Fixes #12787.

Mypy currently emits a false-positive error for this snippet of code, even thou...

Fixes #13090

Co-authored-by: Ivan Levkivskyi <[email protected]>

Fixes #13091

Co-authored-by: Ivan Levkivskyi <[email protected]>

* Sync typeshed

Source commit:
https://github.com/python/typeshed/commit/91d6383d9d1ca38157c...

This also fixes https://github.com/mypyc/mypyc/issues/917

RE above, the root issue is that my...

Co-authored-by: hauntsaninja <>

When deserializing from cache, FuncDef.arguments is not set, so
check before use.

Co-authored-by: Jelle Zijlstra <[email protected]>

Co-authored-by: hauntsaninja <>

Work on #5425

Co-authored-by: Wesley Wright <[email protected]>

Fixes #12689

We always hid e.g. `import concurrent`, but looks like mypy
never hid `from con...

### Description

Fixes #6172

If an unannotated converter function or a lambda expression is...

Add various C primitives that will be used to support native ints.

The primitives aren't used...

I only cover few most common situations. If this will show to be useful, we can expand the scope...

https://github.com/python/typeshed/pull/8042
https://github.com/python/typeshed/pull/8043
http...

Some IR and codegen changes that help with native int support.

This was split off from a bran...

The main substance here modifies mypy/constraints.py to not assume that
template.items has leng...

This is the version of filelock that includes py.typed

Co-authored-by: hauntsaninja <>

The mypy logo wasn't loading on https://mypy.readthedocs.io/ because
it's referenced via an htt...

Fixes #12930

Add minimal support for type checking native int types.
Currently `mypy_extensions.i32` and `m...

Treat generators with await as async.

Previously we sometimes generated an if statement with an empty body.

asyncio.coroutine has been removed. I don't think this test case is
particularly useful.

Co-...

Co-authored-by: hauntsaninja <>

Closes #5701

This replaces the old hand crafted search code that was more fragile.

The plugin may add attributes that are needed to perform the bound
check.

Fixes #12876.

Reverts #12889

Co-authored-by: hauntsaninja <>

Authored by @KotlinIsland

Co-authored-by: KotlinIsland <[email protected]>

Co-authored-by: KotlinIsland <[email protected]>
Co-authored-by: Shantanu <...

Fixes #12615.

As discussed in the linked issue, this PR would put a filesystem-based lock aro...

In a microbenchmark right shift was a bit faster.

Fixes #12868.

Came up in #12825

Add a --mypyc-debug option to pytest that compiles a test normally and
then runs the resulting ...

Resolves #12837

Co-authored-by: hauntsaninja <>

Use PyObject_CallNoArgs and PyObject_CallOneArg to replace
PyObject_CallFunctionObjArgs in lib...

Co-authored-by: hauntsaninja <>

Merge a cast op followed by a branch that does an error check and adds a
traceback entry. Since...

Closes mypyc/mypyc#931
Closes mypyc/mypyc#923

Related CPython modification:

python/cpytho...

Borrow operands of tagged integer operations to reduce the number of
incref/decref operations (...

Co-authored-by: hauntsaninja <>

Suggested in #12825

Co-authored-by: hauntsaninja <>

We don't support running on Python 3.5 or lower anymore, so the max call
is unnecessary because...

Resolves #12819

Co-authored-by: hauntsaninja <>

Fixes #12717

Fixes #12508

Given a large codebase with folder hierarchy of the form

```
foo/
company/
__i...