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More succinct resilient session
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from requests import Session | |
import time | |
class ResilientSession(Session): | |
""" | |
This class is supposed to retry requests that return temporary errors. | |
At this moment it supports: 502, 503, 504 | |
""" | |
def request(self, method, url, **kwargs): | |
counter = 0 | |
while True: | |
counter += 1 | |
r = super(ResilientSession, self).request(method, url, **kwargs) | |
if r.status_code in [ 502, 503, 504 ]: | |
delay = 10 * counter | |
logging.warn("Got recoverable error [%s] from %s %s, retry #%s in %ss" % (r.status_code, method, url, counter, delay)) | |
time.sleep(delay) | |
continue | |
return r | |
if __name__ == '__main__': | |
s = ResilientSession() | |
s.get('http://httpstat.us/502') |
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Argh, I have the
return r
in the wrong place. Thanks @sladkovm!