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# encoding: utf-8 
"""Generic functions for extending IPython. 
""" 
 
from IPython.core.error import TryNext 
from functools import singledispatch 
 
 
@singledispatch 
def inspect_object(obj): 
    """Called when you do obj?""" 
    raise TryNext 
 
 
@singledispatch 
def complete_object(obj, prev_completions): 
    """Custom completer dispatching for python objects. 
 
    Parameters 
    ---------- 
    obj : object 
        The object to complete. 
    prev_completions : list 
        List of attributes discovered so far. 
 
    This should return the list of attributes in obj. If you only wish to 
    add to the attributes already discovered normally, return 
    own_attrs + prev_completions. 
    """ 
    raise TryNext