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Automation & scripting

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

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Automation & scripting medium

Find Dead Code in a Python Project Using AST

Walk a project tree, parse every Python file with ast, and list defined functions that are never called anywhere.

ast dead-code static-analysis

Python

import ast
import os
import sys

def find_dead_code(project_path):
    defined_functions = {}
    called_functions = set()

    for root, dirs, files in os.walk(project_path):
        for file in files:
            if file.endswith('.py'):
                filepath = os.path.join(root, file)
                with open(f…

4 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 …

2 0 Open

Automation & scripting medium

How to check Python files for common coding mistakes

Walks a directory tree parsing each .py file with ast, reporting empty functions, bare try blocks, too many parameters, and empty classes.

ast linting code-quality

Python

import ast
import os
import sys

def check_file(filepath):
    try:
        with open(filepath) as f:
            code = f.read()
        tree = ast.parse(code, filename=filepath)
    except SyntaxError as e:
        print(f"{filepath}: SyntaxError: {e.msg}")
        return
    
    issues = []
    for node in ast.wal…

3 0 Open

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