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from inspect import isfunction
from typing import Callable, Optional, Union
import pytest
from .lazy_fixture import LazyFixtureWrapper
class LazyFixtureCallableWrapper(LazyFixtureWrapper):
_func: Optional[Callable]
args: tuple
kwargs: dict
def __init__(self, callable_or_name: Union[Callable, str], *args, **kwargs):
if callable(callable_or_name):
self._func = callable_or_name
self.name = (
callable_or_name.__name__ if isfunction(callable_or_name) else callable_or_name.__class__.__name__
)
else:
self.name = callable_or_name
self._func = None
self.args = args
self.kwargs = kwargs
def get_func(self, request: pytest.FixtureRequest) -> Callable:
func = self._func
if func is None:
func = self.load_fixture(request)
assert callable(func)
return func
def lfc(name: Union[Callable, str], *args, **kwargs) -> LazyFixtureCallableWrapper:
"""lfc is a lazy fixture callable."""
return LazyFixtureCallableWrapper(name, *args, **kwargs)
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