Function _get_wrapped

IPython/core/oinspect.py:299–315

Get the original object if wrapped in one or more @decorators Some objects automatically construct similar objects on any unrecognised attribute access (e.g. unittest.mock.call). To protect against infinite loops, this will arbitrarily cut off after 100 levels of obj.__wrapped__ att

(obj)

            isinstance(obj, _builtin_func_type) or isinstance(obj, _builtin_meth_type))

def _get_wrapped(obj):
    """Get the original object if wrapped in one or more @decorators

    Some objects automatically construct similar objects on any unrecognised
    attribute access (e.g. unittest.mock.call). To protect against infinite loops,
    this will arbitrarily cut off after 100 levels of obj.__wrapped__
    attribute access. --TK, Jan 2016
    """
    orig_obj = obj
    i = 0
    while safe_hasattr(obj, '__wrapped__'):
        obj = obj.__wrapped__
        i += 1
        if i > 100:
            # __wrapped__ is probably a lie, so return the thing we started with
            return orig_obj
    return obj

def find_file(obj) -> Optional[str]:
    """Find the absolute path to the file where an object was defined.