1. import time
  2. import datetime
  3. import random
  4. import logging
  6. logging.basicConfig(level=logging.INFO)
  8. def guarded_timestamp(func, retries=3, delay=5):
  9. """
  10. Guards execution of a timestamp-related function with retry logic.
  12. Args:
  13. func: The function that generates the timestamp.
  14. retries: The number of retry attempts.
  15. delay: The delay between retries in seconds.
  17. Returns:
  18. The timestamp generated by the function, or None if all retries fail.
  19. """
  20. for attempt in range(retries):
  21. try:
  22. timestamp = func() # Execute the timestamp function
  23. return timestamp
  24. except Exception as e:
  25. logging.warning(f"Timestamp generation failed (attempt {attempt + 1}/{retries}): {e}")
  26. if attempt < retries - 1:
  27. time.sleep(delay + random.uniform(0, delay/2)) # Add jitter to delay
  28. else:
  29. logging.error(f"Timestamp generation failed after {retries} attempts.")
  30. return None # Return None if all retries fail
  32. def get_current_timestamp():
  33. """
  34. Gets the current timestamp. Simulates a potentially flaky operation.
  35. """
  36. # Simulate a flaky operation (e.g., network latency)
  37. if random.random() < 0.2: # 20% chance of failure
  38. raise Exception("Simulated timestamp generation failure")
  39. return datetime.datetime.now().timestamp()
  41. if __name__ == '__main__':
  42. timestamp = guarded_timestamp(get_current_timestamp)
  44. if timestamp:
  45. print(f"Generated timestamp: {timestamp}")
  46. else:
  47. print("Failed to generate timestamp after multiple retries.")

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