Tagged articles

import-hook

2 articles · Page 1 of 1

Jul 14, 2021 · Backend Development

Implementing a Python Import‑Hook Probe with sys.meta_path and sitecustomize

This article explains how to build a simple Python probe that measures function execution time by leveraging sys.meta_path import hooks and sitecustomize, providing step‑by‑step code examples, command‑line wrapper, and discussion of automatic module loading for profiling purposes.

ProbePythonbackend-development

0 likes · 10 min read

Implementing a Python Import‑Hook Probe with sys.meta_path and sitecustomize

MaGe Linux Operations

Nov 25, 2020 · Fundamentals

How to Build a Custom Python Import Hook Probe with sys.meta_path and sitecustomize

This article explains the inner workings of Python's import system, demonstrates how to create a simple import‑hook probe using sys.meta_path and sitecustomize, and walks through building a command‑line agent that automatically measures function execution time in any module.

code instrumentationimport-hookperformance profiling

0 likes · 10 min read

How to Build a Custom Python Import Hook Probe with sys.meta_path and sitecustomize