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# encoding: utf-8 
""" 
A simple utility to import something by its string name. 
""" 
 
# Copyright (c) IPython Development Team. 
# Distributed under the terms of the Modified BSD License. 
 
 
def import_item(name): 
    """Import and return ``bar`` given the string ``foo.bar``. 
 
    Calling ``bar = import_item("foo.bar")`` is the functional equivalent of 
    executing the code ``from foo import bar``. 
 
    Parameters 
    ---------- 
    name : string 
      The fully qualified name of the module/package being imported. 
 
    Returns 
    ------- 
    mod : module object 
       The module that was imported. 
    """ 
     
    parts = name.rsplit('.', 1) 
    if len(parts) == 2: 
        # called with 'foo.bar....' 
        package, obj = parts 
        module = __import__(package, fromlist=[obj]) 
        try: 
            pak = getattr(module, obj) 
        except AttributeError: 
            raise ImportError('No module named %s' % obj) 
        return pak 
    else: 
        # called with un-dotted string 
        return __import__(parts[0])