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Improve typing for providers config loader #32782

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Merged
potiuk merged 1 commit into from
Jul 23, 2023
Merged

Improve typing for providers config loader #32782

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13 changes: 8 additions & 5 deletions airflow/utils/providers_configuration_loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,12 +17,15 @@
from __future__ import annotations

from functools import wraps
from typing import Callable, TypeVar, cast
from typing import Callable, TypeVar

T = TypeVar("T", bound=Callable)
from airflow.typing_compat import ParamSpec

PS = ParamSpec("PS")
RT = TypeVar("RT")

def providers_configuration_loaded(func: T) -> T:

def providers_configuration_loaded(func: Callable[PS, RT]) -> Callable[PS, RT]:
"""
Decorator that makes sure that providers configuration is loaded before actually calling
the decorated function.
Expand All @@ -46,10 +49,10 @@ def providers_configuration_loaded(func: T) -> T:
"""

@wraps(func)
def wrapped_function(*args, **kwargs):
def wrapped_function(*args, **kwargs) -> RT:
from airflow.providers_manager import ProvidersManager

ProvidersManager().initialize_providers_configuration()
return func(*args, **kwargs)

return cast(T, wrapped_function)
return wrapped_function