Current File : /opt/alt/python311/lib/python3.11/site-packages/typish//_decorators.py
"""
PRIVATE MODULE: do not import (from) it directly.
This module contains decorators.
"""
import inspect
from typish._functions import _map_empty, instance_of
def typechecked(decorated):
sig = inspect.signature(decorated)
param_names = list(sig.parameters)
def _wrapper(*args, **kwargs):
for i, arg in enumerate(args):
param = sig.parameters[param_names[i]]
param_type = _map_empty(param.annotation)
if not instance_of(arg, param_type):
raise TypeError('Value {} for \'{}\' is not of type \'{}\''
.format(arg, param.name, param_type))
return decorated(*args, **kwargs)
return _wrapper
