Julien Danjou 11/4/2019

Finding definitions from a source file and a line number in Python

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This article details a Python programming challenge: determining the enclosing function, method, or class for a given line number in a source file. It explains why simple parsing is insufficient and presents a robust solution using Python's `ast` and `tokenize` modules to correctly handle file encoding and traverse the Abstract Syntax Tree to find the closest definition.

Finding definitions from a source file and a line number in Python

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