Migrating Codebases with Millions of Modules from Python 2 to Python 3

Explore techniques and tooling developed by Google for migrating massive Python codebases from version 2 to 3 in this EuroPython 2020 conference talk. Learn how to effectively scope migration needs, plan required work, execute at scale, and foster cross-team collaboration when dealing with codebases containing millions of modules. Gain insights into overcoming challenges associated with large-scale Python version migrations, including human decision-making and action requirements. Discover strategies for managing dependencies and enabling developers to tackle this complex task efficiently.