def loadrepr(reprstr):
    """Returns an instance of the object from the object's repr() string.
    It involves the dynamic specification of code.

    >>> obj = loadrepr('datetime/datetime.datetime.now()')
    >>> obj.__class__.__name__
    'datetime'

    """
    module, evalstr = reprstr.split('/')
    mylocals = locals()
    localname = module
    if '.' in localname:
        localname = module.split('.', 1)[0]
    mylocals[localname] = __import__(module)
    return eval(evalstr)