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import typing as tp
import sqlite3
P = tp.ParamSpec("P")
T = tp.TypeVar("T")
RT = tp.TypeVar("RT")
def copy_sig(_: tp.Callable[P, T], returns: tp.Callable[..., RT]) -> tp.Callable[[tp.Callable[..., tp.Any]], tp.Callable[P, RT]]:
def decorator(fnc: tp.Callable[..., tp.Any]) -> tp.Callable[P, RT]:
def inner(*args, **kwargs):
return fnc(*args, **kwargs)
return inner
return decorator
@copy_sig(sqlite3.connect, int.__new__)
async def connect(*args, **kwargs):
...
tp.reveal_type(connect)
a = connect()
tp.reveal_type(a)
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