Python Open-Source Snippets Newsletter
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Hi, I am creating a Python newsletter showcasing useful code snippets from popular open-source libraries. I will also be providing a runnable demo link to better understand the working. Newsletter link: https://www.pythonninja.xyz/subscribe A sample snippet from the newsletter: HTTP Request retrying with Backoffs - Technique for retrying failed HTTP requests. From Google Maps Services Python (https://github.com/googlemaps/google-maps-services-python) Demo link: https://repl.it/@PythonNinja/requestretries """ first_request_time: The time of the first request (None if no retries have occurred). retry_counter: The count of retries, or zero for the first attempt. """ if not first_request_time: first_request_time = datetime.now() elapsed = datetime.now() - first_request_time if elapsed > self.retry_timeout: raise googlemaps.exceptions.Timeout() if retry_counter > 0: # 0.5 * (1.5 ^ i) is an increased sleep time of 1.5x per iteration, # starting at 0.5s when retry_counter=0. The first retry will occur # at 1, so subtract that first. delay_seconds = 0.5 * 1.5 ** (retry_counter - 1) # Jitter this value by 50% and pause. time.sleep(delay_seconds * (random.random() + 0.5)) https://www.pythonninja.xyz/subscribe Feedbacks and criticism are welcome.
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aswin@pythonninja.xyz