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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

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Detect Circular Imports Across Python Projects Automatically

This script walks through all .py files in a directory, builds an import graph, and uses depth-first search to find cycles—printing each circular dependency chain.

circular-imports import-graph ast

Python

import ast
import sys
from pathlib import Path
from collections import defaultdict, deque

def find_imports(filepath):
    """Return set of module names imported by a Python file."""
    imports = set()
    try:
        with open(filepath) as f:
            tree = ast.parse(f.read())
    except (SyntaxError, UnicodeDe…

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Detect Circular Imports Across Python Projects Automatically

Browse by section

Automation & scripting — Python code examples

What you will find here

Samples vs tutorials and challenges

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