gistfile1.py

def default_retry_callback(response=None, error=None):
    """ Retry errors where the connection to the server was not established """
    
    return (isinstance(error, exceptions.ConnectionError) 
        or isinstance(error, exceptions.SocketError) 
        or isinstance(error, HTTPException))

def idempotent_retry_callback(response=None, error=None):
    if (isinstance(error, exceptions.ConnectionError) 
        or isinstance(error, exceptions.SocketError) 
        or isinstance(error, HTTPException)):
        return True
    if response is not None:
        if response.status_code == 503 or response.status_code == 429:
            return True

class Retries(object):
    def __init__(self, retry_count=3, retry_callback=default_retry_callback):
        """ Initialize the retry object """