`except: pass` Is a Python Anti-Pattern

Real Python · Beginner ·🔧 Backend Engineering ·2mo ago

Key Takeaways

The video discusses the anti-pattern of using `except: pass` in Python, emphasizing the importance of proper error handling and logging in production code.

Full Transcript

touch on one of my peeves, which is except pass. >> Okay. >> I think that should be a compile error. >> Oh, really? >> At bare minimum, you need a comment that says what you're doing there because essentially you're saying, "I would like to ignore an error." And you really should be explaining to somebody why. In production code, it's usually logging something. Even in just partial scripts for yourself, you better put something cuz you come back to it and you're really like, "Oh, well, we'll just ignore it. It's fine." >> [laughter] >> It's almost never fine. There was a reason it accepted in the first place. So, >> Yeah.

Original Description

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The video explains why using `except: pass` is a bad practice in Python and provides guidance on proper error handling and logging.

Key Takeaways
  1. Avoid using `except: pass` in production code
  2. Use logging to track errors
  3. Explain the reason for ignoring an error with a comment
  4. Handle errors properly
💡 Using `except: pass` can mask important errors and make debugging difficult.

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