feat: add exponential backoff utility for retry loops

new file mode 100644

@@ -0,0 +1,18 @@

import time

def exponential_backoff(retries, base_delay=1, max_delay=60):

    """

    Returns the delay for the current retry attempt using exponential backoff.

    :param retries: Current retry attempt number (0-indexed)

    :param base_delay: Initial delay in seconds

    :param max_delay: Maximum delay in seconds

    """

    delay = min(max_delay, base_delay * (2 ** retries))

    return delay

# Example usage:

# for i in range(5):

#     wait = exponential_backoff(i)

#     print(f"Retry {i+1}: Waiting {wait}s...")

#     time.sleep(wait)