This repository contains external type annotations (see PEP 484) for the backoff library.
To use these stubs with mypy, you have to install the backoff-stubs package.
pip install backoff-stubs
Type annotations for Python library providing function decorators for configurable backoff and retry
License: MIT License
The on_predicate
argument is defaulted to operator.not_
in version 1.10.0
of backoff:
def on_predicate(wait_gen,
predicate=operator.not_,
max_tries=None,
max_time=None,
jitter=full_jitter,
on_success=None,
on_backoff=None,
on_giveup=None,
logger='backoff',
**wait_gen_kwargs):
MyPy shows this error if predicate
is not provided:
error: Missing positional argument "predicate" in call to "on_predicate"
The stub for on_predicate
defines predicate
as a required positional argument, instead of a defaulted optional argument:
def on_predicate(
wait_gen: Callable[..., Generator[float, None, None]],
predicate: Callable[[Any], bool],
max_tries: Optional[int] = ...,
max_time: Optional[int] = ...,
jitter: Callable[[float], float] = ...,
on_success: Optional[_EventHandler] = ...,
on_backoff: Optional[_EventHandler] = ...,
on_giveup: Optional[_EventHandler] = ...,
logger: Union[str, logging.Logger, None] = ...,
**wait_gen_kwargs: Any
) -> Callable[[_FuncT], _FuncT]: ...
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