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CPython Internals

Understand the reference implementation of Python. Read CPython source code, trace function calls through the eval loop, understand the GIL, implement C extensions, and explore memory management.

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~360 Minutes 8 Challenges

CPython internals tutorial

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CPython Internals looks at objects, the GIL, and C extensions so Python performance talks gain teeth.

CPython Internals

About this subtrack

Tasks (8)

Read CPython's longobject.c: How Python Integers Work

Trace a Function Call Through CPython

Understand the GIL and Write a C Extension That Releases It

Disassemble Python Bytecode and Match to CPython Source

Write a CPython C Extension Module from Scratch

Understand CPython's Memory Allocator: obmalloc

Implement a Python Built-in Function in C

Understand CPython's Reference Counting