Reference library

Automation & scripting

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

4 matches
Automation & scripting medium

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…
39 0 Open
Automation & scripting medium

Find Unused Python Packages Automatically

Scan a Python project's source files for imports and list installed packages not imported anywhere.

unused-packages static-analysis ast
Python
import pkg_resources
import ast
import os
import sys
from pathlib import Path

def find_imports_in_project(project_dir="."):
    imports = set()
    for py_file in Path(project_dir).rglob("*.py"):
        try:
            with open(py_file, "r") as f:
                tree = ast.parse(f.read())
            for node in …
40 0 Open
Automation & scripting medium

How to Generate a Dependency Graph for Python Projects

This script walks through a Python project directory, parses each .py file's imports, and prints a dependency graph showing which modules depend on which other modules.

ast dependency graph import parsing
Python
import os
import ast
from pathlib import Path
from collections import defaultdict

def get_imports(filepath):
    with open(filepath) as f:
        try:
            tree = ast.parse(f.read())
        except SyntaxError:
            return []
    imports = []
    for node in ast.walk(tree):
        if isinstance(node, …
39 0 Open
Automation & scripting easy

How to Import Users from CSV into LDAP-like Dicts in Python

Reads a CSV of user records and converts each row into an LDAP-style dictionary with standard attributes using Python's csv module.

csv ldap import
Python
import csv
import io
from pathlib import Path


def mock_ldap_import(csv_path):
    """
    Reads a CSV file with user data and returns a list of LDAP-like user dicts.
    Adds standard LDAP attributes that would come from directory schema.
    """
    with open(csv_path, newline="", encoding="utf-8") as csvfile:
    …
15 0 Open

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Automation & scripting — Python code examples

What you will find here

This page collects automation & scripting snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.