[AWS]boto3のエラーハンドリング(翻訳)とベストプラクティス
業務でboto3を使う機会があり、エラーハンドリングのベストプラクティスを知りたかったので、一先ず公式ドキュメントを読んでみることにしました。 日本語訳したものを共有致します。 原文↓ ベストプラクティス 実装者としては以下内容のみ知っていれば実装は可能です。さらに詳しく知りたい場合、翻訳全文を参考にしてください。 Boto3を使用するときに発生する例外は、botocoreの例外とAWSサービスの例外のどちらかである。 botocore の例外は以下の方法でキャッチする。 import botocore import boto3 client = boto3.client('aws_service_name') try: client.some_api_call(SomeParam='some_param') except botocore.exceptions.ClientError a
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Python 3.7 ではGeneretor で StopIteration を使うと RuntimeError になる - Qiita
def tentimes(): i = 0 while True: if i == 10: raise StopIteration yield i i = i + 1 for i in tentimes(): print(i) 0 1 2 3 4 5 6 7 8 9 --------------------------------------------------------------------------- StopIteration Traceback (most recent call last) <ipython-input-1-20f0585f0e57> in tentimes() 4 if i == 10: ----> 5 raise StopIteration 6 yield i StopIteration: The above exception was the di
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Built-in Exceptions¶ In Python, all exceptions must be instances of a class that derives from BaseException. In a try statement with an except clause that mentions a particular class, that clause also handles any exception classes derived from that class (but not exception classes from which it is derived). Two exception classes that are not related via subclassing are never equivalent, even if th
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8. Errors and Exceptions¶ Until now error messages haven’t been more than mentioned, but if you have tried out the examples you have probably seen some. There are (at least) two distinguishable kinds of errors: syntax errors and exceptions. 8.1. Syntax Errors¶ Syntax errors, also known as parsing errors, are perhaps the most common kind of complaint you get while you are still learning Python: >>>
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How to write and report assertions in tests - pytest documentation
Pythonでpytestを試してみる(pytest 例外発生テスト) - Qiita
API Reference - pytest documentation
Error Encyclopedia | Value Error
To raise or not to raise exceptions, and the art of designing return values – Alfredo Motta
