ast — Expert Examples

Parse Python source into an Abstract Syntax Tree

EasyIntermediateAdvancedExpert

ast deep dive

Implementation details and performance considerations.

python
# ast internals
import ast
import sys

mod = ast
print(f"Module: {mod.__name__}")
print(f"File: {getattr(mod, '__file__', 'built-in')}")
print(f"Package: {getattr(mod, '__package__', 'N/A')}")
print(f"Size in modules: {sys.getsizeof(mod)} bytes")

Understanding the internals of ast helps write more efficient code.

Want to try these examples interactively?

Open Expert Playground
← Advanced Examples