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import collections
import functools
# from jaraco.functools 4.0.2
def save_method_args(method):
"""
Wrap a method such that when it is called, the args and kwargs are
saved on the method.
"""
args_and_kwargs = collections.namedtuple('args_and_kwargs', 'args kwargs')
@functools.wraps(method)
def wrapper(self, /, *args, **kwargs):
attr_name = '_saved_' + method.__name__
attr = args_and_kwargs(args, kwargs)
setattr(self, attr_name, attr)
return method(self, *args, **kwargs)
return wrapper
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