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Automation & scripting

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

31 matches

How to Monitor Website Content Changes in Python

This script fetches a webpage's content, computes its SHA-256 hash, and compares it with the last stored hash to detect and alert on changes.

web scraping monitoring requests

Python

import time
import hashlib
import requests
from pathlib import Path

def fetch_content_hash(url: str) -> str:
    response = requests.get(url, timeout=10)
    response.raise_for_status()
    return hashlib.sha256(response.text.encode()).hexdigest()

def monitor_website(url: str, check_interval: int = 60):
    hash_fil…

50 0 Open

Automation & scripting medium

How to Ping Multiple Hosts in Parallel with Python ThreadPoolExecutor

A parallel host-pinging script using ThreadPoolExecutor and subprocess to check connectivity across multiple addresses concurrently.

thread-pool subprocess ping

Python

import subprocess
from concurrent.futures import ThreadPoolExecutor
from pathlib import Path

HOSTS = [
    "google.com",
    "github.com",
    "stackoverflow.com",
    "nonexistent.invalid",
    "localhost",
]

def ping_host(host: str) -> str:
    """Ping a single host and return a status string."""
    result = subp…

13 0 Open

Automation & scripting medium

How to Run Tesseract OCR from Python with subprocess

This script uses Python's subprocess module to invoke the Tesseract OCR engine from the command line and return the extracted text.

subprocess ocr tesseract

Python

import subprocess

def ocr_image(image_path):
    command = ["tesseract", image_path, "stdout"]
    result = subprocess.run(command, capture_output=True, text=True)
    return result.stdout.strip()

if __name__ == "__main__":
    # Stub: call the actual tesseract (must be installed)
    text = ocr_image("sample.png")
…

13 0 Open

Automation & scripting medium

How to Track GitHub Stars, Forks, and Watchers in Python

Automatically fetch and track stars, forks, and watchers for multiple GitHub repositories, saving snapshots locally as JSON files for historical analysis.

github api automation

Python

import os
import time
import json
import requests
from pathlib import Path
from datetime import datetime

REPOS = [
    "psf/requests",
    "python/cpython",
    "pallets/flask",
]
DATA_DIR = Path("github_metrics")

def fetch_repo_stats(repo):
    url = f"https://api.github.com/repos/{repo}"
    resp = requests.get(ur…

39 0 Open

Automation & scripting medium

How to Validate SSL Certificates for Multiple Domains in Python

A Python utility that checks SSL certificate expiry dates for a list of domains using the standard library ssl and socket modules.

ssl certificate validation

Python

import ssl
import socket
from datetime import datetime

def check_ssl_certificate(hostname: str, port: int = 443) -> dict:
    """Validate SSL certificate for a given hostname."""
    context = ssl.create_default_context()
    with socket.create_connection((hostname, port), timeout=5) as sock:
        with context.wra…

45 0 Open

Automation & scripting medium

Mount ISO Loop Device Mock Script in Python

Simulate ISO mounting with a loop device using a mock class — useful for testing scripts that depend on mount/unmount without actual system privileges.

iso loop-device mock

Python

import os
import tempfile
from dataclasses import dataclass
from pathlib import Path

@dataclass
class LoopDevice:
    path: str
    iso_path: str
    mounted: bool = False

    def mount(self, mount_point: str):
        if self.mounted:
            raise RuntimeError(f"Loop device {self.path} already mounted")
      …

14 0 Open

Automation & scripting medium

Python: Archive Old Logs by Compressing Gzip by Age

A Python script that finds .log files older than a specified age and compresses them into .gz archives while removing the originals.

gzip log-rotation automation

Python

import gzip
import os
import shutil
from pathlib import Path


def archive_logs(log_dir: str, max_age_days: int) -> list[str]:
    """Compress log files older than max_age_days into .gz archives.
    
    Returns a list of compressed file paths.
    """
    cutoff = time.time() - max_age_days * 86400
    compressed = …

14 0 Open

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