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Automation & scripting

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

29 matches

How to Watch a Folder and Convert New Images in Python

Watch a folder for new files and mock-convert images by copying and renaming them in an output directory.

import time
import hashlib
from pathlib import Path
from datetime import datetime

def mock_convert_image(source: Path, dest_dir: Path) -> Path:
    """Mock image conversion: copy bytes and add .converted suffix."""
    dest = dest_dir / f"{source.stem}.converted{source.suffix}"
    dest.write_bytes(source.read_bytes(…

12 0 Open

Automation & scripting medium

How to apply Kubernetes YAML files from a folder in Python

Uses the Kubernetes Python client to apply all YAML manifests in a directory, with sorted processing and per-file error handling.

kubernetes yaml automation

Python

import os
import yaml
from kubernetes import client, config
from kubernetes.utils import create_from_yaml

def apply_yaml_folder(folder_path):
    """Apply all YAML files in a folder using the Kubernetes mock client."""
    # Load mock configuration
    config.load_kube_config()
    k8s_client = client.ApiClient()

  …

12 0 Open

Automation & scripting easy

How to stage and commit all changes with Git in Python

Run git add -A and git commit from Python using subprocess to automate staging and committing all file changes in one step.

git subprocess automation

Python

import subprocess
from pathlib import Path

def stage_and_commit_all(commit_message: str) -> None:
    """Stage all changes and create a commit with the given message."""
    repo_root = Path.cwd()
    if not (repo_root / ".git").exists():
        raise RuntimeError("Not inside a Git repository")

    subprocess.run([…

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…

13 0 Open

Automation & scripting medium

Track Internet Connectivity and Downtime Automatically in Python

Monitors internet connectivity by pinging a remote host and logs any downtime events with timestamps and duration.

internet connectivity monitoring

Python

import time
import subprocess
from datetime import datetime

def check_internet(host="8.8.8.8", timeout=3):
    """Returns True if internet is reachable via ping."""
    try:
        subprocess.run(
            ["ping", "-c", "1", "-W", str(timeout), host],
            capture_output=True,
            timeout=timeout …

40 0 Open

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