These docs are for PubNub 4.0 for Python-Tornado V4 which is our latest and greatest! For the docs of the older versions of the SDK, please check PubNub 3.0 for Python, PubNub 3.0 for Python-Tornado and PubNub 3.0 for Python-Twisted.
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Python SDK has three types of Reconnection Policies when there is a network or internet issue.
PNReconnectionPolicy.NONE- indicates that
NOaction will taken when there is a network or internet issue.
PNReconnectionPolicy.LINEAR- SDK will try to reconnect each 3 seconds.
PNReconnectionPolicy.EXPONENTIAL- SDK uses the Exponential Backoff algorithm to reconnect when there is a network or internet issue. SDK uses
MINEXPONENTIALBACKOFF= 1 second and
MAXEXPONENTIALBACKOFF= 32 seconds. See: https://en.wikipedia.org/wiki/Exponential_backoff for more details.