My Newsletter – Python and Data

Practicing my craft in public, sharing my experience along the way. Python, Kedro, JamStack, Gatsby, Data, Automation… Read more

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Be Careful with Python’s New-Style String Format

This should have been obvious to me for a longer time, but until earlier today I did not really realize the severity of the issues caused by str.format on untrusted user input. It came up as a way to bypass the Jinja2 Sandbox in a way that would permit r...

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