The multiprocessing module in Python

Consider this piece of code:     from __future__ import print_function     import multiprocessing     def countdown(count):         while…

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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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Flying Planes with Python and JavaScript

To allay any concerns: this will not be actually running Python or JavaScript software in the cockpit of a real aircraft in order to effect automated flight: that would kill people. Instead, we’re writing a web page that can control an autopilot running i... (more…)

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