mekarpeles

def exponential_backoff(exception, err=None, tries=5, debug=False):
    """Exponentially backoff on a certain Exception exception.
    params:
        tries - num of expn backed off attempts before quitting
        err - custom error msg to display in addition to 'e'
        debug - default False, boolean deciding whether to raise
                error msg e along with Exception instance
    
    note:                                                                       
        * debug flag used to avoid raising security sensitive exception err msgs