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Extract Attachments from mbox Mailbox Files in Python

Extract file attachments from an mbox mailbox format using Python's standard library email and mailbox modules.

import email
import mailbox
from email.policy import default
from pathlib import Path

def extract_attachments(mbox_path, output_dir):
    output_dir = Path(output_dir)
    output_dir.mkdir(exist_ok=True)
    mbox = mailbox.mbox(mbox_path)
    
    for msg in mbox:
        if msg.is_multipart():
            for part i…

13 0 Open

Automation & scripting medium

Find Sensitive Information in Log Files with Python

Scan log files for emails, IP addresses, API keys, and passwords using regular expressions in Python.

regex security log-analysis

Python

import re
import os
from pathlib import Path

def find_sensitive_info(log_path):
    """Scans log files for patterns like emails, IPs, API keys, and passwords."""
    patterns = {
        'Email': r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}',
        'IP Address': r'\b(?:\d{1,3}\.){3}\d{1,3}\b',
        'API Key'…

36 0 Open

Automation & scripting easy

Generate Random Fake User Data for Testing in Python

This code generates a list of fake user dictionaries with random names, emails, ages, and timestamps using the Python standard library for testing purposes.

testing random data-generation

Python

import json
import random
import string
from datetime import datetime, timedelta

def generate_user_data(num_users=1):
    first_names = ["Alice", "Bob", "Charlie", "Diana", "Eve"]
    last_names = ["Smith", "Johnson", "Brown", "Taylor", "Wilson"]
    domains = ["example.com", "test.org", "demo.net"]
    
    users = …

38 0 Open

Automation & scripting medium

How to Send an Email with smtplib and a Mock Server in Python

Send an email using smtplib and verify it with a local aiosmtpd mock SMTP server — perfect for testing without a real mail server.

smtplib email aiosmtpd

Python

import smtplib
from email.message import EmailMessage
import aiosmtpd.controller as controller
import threading


def handle_message(server, session, envelope):
    print(f"Mock server received message:")
    print(f"From: {envelope.mail_from}")
    print(f"To: {envelope.rcpt_tos}")
    print(f"Subject: {envelope.cont…

12 0 Open

Automation & scripting easy

Run pytest and email summary in Python

Runs pytest via subprocess, extracts the test summary line, and sends it in an email (mocked for demonstration).

pytest subprocess email

Python

import smtplib
import subprocess
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart


def run_tests():
    """Run pytest and capture the summary output."""
    result = subprocess.run(
        ["pytest", "-q"],
        capture_output=True,
        text=True
    )
    return result.stdo…

12 0 Open

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