Yet another retry utility in Python

Overview

avereno

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

Usage

Oops... > Oops... > Oops... > Hello! ">
$ 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
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Comments
  • Add a kwargs argument in retry function

    Add a kwargs argument in retry function

    Hello, tring to solve #2

    Sometimes my failing function needs a parameter

    from random import random
    def a_sometimes_failing_hello(val: float):
        if random() < val:
          print("Hello!")
        else:
          raise RuntimeError()
    
    from avereno import retry
    retry(a_sometimes_failing_hello, val=0.5, on_retry=lambda __1, __2: print("Oops..."))
    
    [OUTPUT]
    
    > Oops...
    > Oops...
    > Oops...
    > Hello!
    
    opened by gaetan1903 1
  • How send the args of my parameter

    How send the args of my parameter

    '''
     Sometimes my fails function need a parameter
    '''
    from random import random
    def a_sometimes_failing_hello(val: float):
        if random() < val:
          print("Hello!")
        else:
          raise RuntimeError()
    
    opened by gaetan1903 0
Owner
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