robust-error-handling-in-scripts: Скилл обработки ошибок в скриптах

--- name: robust-error-handling-in-scripts description: Use this skill when writing shell scripts, Python automation, or any unattended batch job. Ensure failures are detected, logged, and handled — never silently ignored. category: automation --- # Robust Error Handling in Scripts **Shell scripts:** ```bash set -euo pipefail # Exit on error, undefined var, pipe failure trap 'echo "Failed at line $LINENO"' ERR ``` **Python scripts:** ```python import logging, sys logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s %(message)s') try: main() except Exception as e: logging.exception("Unhandled error: %s", e) sys.exit(1) ``` **Retry with backoff** for transient network/API failures: ```python from tenacity import retry, stop_after_attempt, wait_exponential @retry(stop=stop_after_attempt(3), wait=wait_exponential(min=2, max=10)) def call_api(): ... ```