Introduction to Context Managers and the with Keyword in Python

The article delves into the functionality and advantages of the "with" statement in Python, emphasizing its role in streamlining exception handling and resource management. It explains how the "with" statement simplifies code by automatically handling resource cleanup, such as closing files or releasing locks, which traditionally required "try-finally" blocks. The piece also illustrates how to create custom context managers using classes or functions, showcasing their versatility beyond file handling to include other resources like database connections and threading locks. Additionally, it highlights Earthly as a tool for optimizing build processes, suggesting its potential benefits for developers seeking to enhance their development workflow.