Introspective Python __repr__ like Java auto-gen toString() with dir() and eval()

repr_snippet.py

def __repr__(self):
    '''
    Return string representation.
    '''
    skipNone = True
    reprString = type(self).__name__ + " ["
    
    elements = dir(self)
    for e in elements:
        # Make sure we only display "public" fields; skip anything private (_*), that is a method/function, or that is a module.
        if not e.startswith("_") and eval('type(self.{0}).__name__'.format(e)) not in ['DataFrame', 'function', 'method', 'builtin_function_or_method', 'module']:
                value = eval("self." + e)
                if value != None and skipNone == True:
                    reprString += "{0}={1}, ".format(e, value)
    
    # Clean up trailing space and comma.
    return reprString.strip(" ").strip(",") + "]"