AlexWaygood

import sys
from types import GenericAlias
from typing import Any, Callable, Concatenate, overload

class partial[**P1, **P2, T, R, *Ts]:
    @overload
    def __new__(cls, func: Callable[P1, R], /) -> partial[P1, P1, Any, R]: ...
    @overload
    def __new__(cls, func: Callable[Concatenate[*Ts, P2], R], /, *args: *Ts) -> partial[Concatenate[*Ts, P2], P2, Any, R, *Ts]: ...
    @overload

AlexWaygood

f'None{name_5!s}' if (name_5 if name_2 else name_2)({*()}, (name_4 := name_0)) else name_4 % name_5 if f'' else name_4 & name_5
{{*()}: {name_4.name_1 for name_1 in name_2 if name_0 if name_2 if name_3 if name_0 for name_0 in name_4 if name_4 if name_3 for name_0 in name_1 if name_5 for name_4 in name_5 if name_1 if name_4 if name_4 if name_2 if name_1 for name_0 in name_2 if name_4 if name_5 if name_2 if name_2} for name_1, in (lambda: name_5) if {name_0: name_1 for name_0 in name_2 for name_4 in name_1 for name_0 in name_3} for name_0[name_2] in name_0 and name_3 and name_4 and name_5 if name_3(name_4, name_4, name_0=name_3) for [name_2, name_0] in (name_4 async for name_4 in name_5 async for name_0 in name_1 async for name_1 in name_3 async for name_5 in name_2) if {name_3 for name_5 in name_4 for name_2 in name_4 for name_4 in name_3 for name_4 in name_0} if {*()} if {name_2 for name_5 in name_1 for name_0 in name_3 for name_1 in name_2 for name_1 in name_3 for name_5 in name_4 for name_4 in name_2} if na

AlexWaygood

>>> class Foo:
...     def __call__(self):
...         return 42
...         
>>> class Bar:
...     __call__ = Foo()
...     
>>> class Baz:
...     __call__ = Bar()
...     

AlexWaygood

type BasesList = list[type]
type Mro = list[type]

def merge(seqs: list[BasesList]) -> Mro:
    print(f"Merging {seqs}")
    mro: Mro = []
    i = 1

    while True:
        print(f"{mro=}")

AlexWaygood

"""Proof of concept for how `__annotations__` issues with metaclasses could be solved under PEP 649.

See https://discuss.python.org/t/pep-749-implementing-pep-649/54974/28 for more context.

To experiment with this proof of concept:
1. Clone CPython
2. Create a fresh build of the main branch according to the instructions in the devguide.
3. Save this file to the repository root.
4. Run `./python.exe annotations-demo.py --test` to run tests,
   or `PYTHON_BASIC_REPL=1 ./python.exe -i annotations-demo.py` to play with it in the REPL.

AlexWaygood

from types import SimpleNamespace

AnsiColors = SimpleNamespace(
    BOLD_GREEN="\x1b[1;32m",
    BOLD_MAGENTA="\x1b[1;35m",
    BOLD_RED="\x1b[1;31m",
    GREEN="\x1b[32m",
    GREY = "\x1b[90m"
    MAGENTA = "\x1b[35m"
    RED = "\x1b[31m"

AlexWaygood

import os
from collections import deque
from collections.abc import Iterator, Sequence
from typing import Final, Protocol


class SeekableBytesFile(Protocol):
    def seek(self, position: int, whence: int = ..., /) -> int: ...
    def read(self, amount: int, /) -> bytes: ...

AlexWaygood

import ast
import sys
import keyword
import seaborn
from pathlib import Path
from collections import Counter
from dataclasses import dataclass


LENGTHS_COUNT = Counter[int]()