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@daltonmatos
Created January 4, 2020 01:30
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Blog post: Chamando funções Python com assinatura dinâmica Baseada em Typehint
import asyncio
from typing import Dict, Type, Any, Callable, get_type_hints, Coroutine, TypeVar
T = TypeVar("T")
types_registry: Dict[Type, Any] = dict()
async def call_func(
f: Callable[..., Coroutine[Any, Any, T]], registry: Dict[Type, Any]
) -> T:
types_for_func = get_type_hints(f)
values_for_call = {}
for param_name, param_type in types_for_func.items():
values_for_call[param_name] = types_registry[param_type]
return await f(**values_for_call)
async def func(a: int, b: str) -> str:
return f"int is {a}, str is {b}"
async def main():
num = 42
name = "Dalton"
types_registry[int] = 42
types_registry[str] = name
print(await func(num, name))
print(await call_func(func, types_registry))
asyncio.run(main())
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