The Soul of the Beast

Explore the intricacies of Python's grammar and parser in this 46-minute EuroPython 2019 conference talk. Delve into the core elements that shape Python's design, including grammar properties, parser generator mechanics, and the advantages and limitations of LL(1) grammars. Discover how these technical decisions impact Python's ease of use and power. Learn about the process of implementing new grammar rules in CPython, using the arrow operator as a practical example. Gain insights into the potential future changes to Python's parser generator and the implications for the language's evolution. Suitable for Python programmers of all levels, this talk offers a deeper understanding of the language's inner workings and design philosophy.