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How to Capture Logging Records with pytest caplog in Python

Capture and assert on logging records in pytest using the built-in caplog fixture.

import logging
import pytest

def divide(a, b):
    """Divide two numbers and log an error if b is zero."""
    if b == 0:
        logging.error("Division by zero attempted")
        return None
    logging.info(f"Dividing {a} by {b}")
    return a / b

def test_divide_logs_error(caplog):
    with caplog.at_level(logg…

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