avereno 0.1.2

Yet another retry utility in Python

avereno

Yet another retry utility in Python, avereno being the Malagasy word for retry.

Usage

$ python3 -m pip install avereno
$ python3
from random import random
def a_sometimes_failing_hello():
    if random() < 0.5:
      print("Hello!")
    else:
      raise RuntimeError()

from avereno import retry
retry(a_sometimes_failing_hello, on_retry=lambda __1, __2: print("Oops..."))
> Oops...
> Oops...
> Oops...
> Hello!

Features

The retry policy can be customized through the following arguments, as described in help(avereno.retry):

Optional Keyword Arguments:
  max_retries:        number of retries after which GiveUpRetryError will be raised
  max_sleep:          cumulated sleep (backoff) after which GiveUpRetryError will be raised
  on_retry:           function to invoke _before_ each retry
  init_backoff:       initial backoff that will potentially increase afterwards
  backoff_multiplier: multiplication factor between consecutive backoffs
                      set it to  1 for constant backoff
                      set it to >1 for exponential backoff