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"""Common functions used in Item Loaders code"""
from __future__ import annotations
from functools import partial
from typing import TYPE_CHECKING, Any
from itemloaders.utils import get_func_args
if TYPE_CHECKING:
from collections.abc import Callable, MutableMapping
def wrap_loader_context(
function: Callable[..., Any], context: MutableMapping[str, Any]
) -> Callable[..., Any]:
"""Wrap functions that receive loader_context to contain the context
"pre-loaded" and expose a interface that receives only one argument
"""
if "loader_context" in get_func_args(function):
return partial(function, loader_context=context)
return function
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