Automation & scripting
CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.
Check Service Ping Status and Exit Code in Python
Ping a list of hosts, print OK/FAIL per host, and exit with a non-zero code when any host is unreachable.
import subprocess
import sys
SERVICES = [
"8.8.8.8",
"1.1.1.1",
"invalid-host",
]
def main():
failed = []
for host in SERVICES:
result = subprocess.run(
["ping", "-c", "1", "-W", "2", host],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
…How to Check Website Status Codes in Python
This script checks the HTTP status codes of multiple URLs concurrently using a thread pool and prints the results.
import requests
from concurrent.futures import ThreadPoolExecutor
URLS = [
"https://www.google.com",
"https://www.python.org",
"https://www.nonexistent-site-12345.com",
"https://www.github.com",
]
def check_status(url):
try:
response = requests.get(url, timeout=5)
return url, resp…How to Monitor Domain Expiration Dates in Python
A Python script that checks domain expiration dates using the python-whois library and warns when a domain is expiring soon.
import whois
from datetime import datetime, timedelta
import time
def check_domain_expiry(domain_name):
"""Check when a domain expires and warn if soon."""
try:
w = whois.whois(domain_name)
expiry = w.expiration_date
# Handle list or single date
if isinstance(expiry, list):
…Monitor Disk Usage and Alert in Python
A Python script that checks disk usage percentage against a threshold and returns an ALERT or OK message with free space details.
import shutil
import os
def check_disk_usage(path="/", threshold=85.0):
usage = shutil.disk_usage(path)
percent_used = (usage.used / usage.total) * 100
if percent_used > threshold:
return (f"ALERT: Disk usage at {percent_used:.1f}% on {path} "
f"(exceeds {threshold}% threshold…Monitor Website Uptime with Python
Periodically check if a website is reachable and its HTTP status is 200, logging the status with timestamps.
import requests
import time
def check_website(url):
try:
response = requests.get(url, timeout=5)
if response.status_code == 200:
return True
else:
return False
except requests.ConnectionError:
return False
except requests.Timeout:
return Fals…Schedule Daily Task in Python
Use the schedule library to queue a daily task at a fixed time, then simulate a loop that checks for pending jobs.
import schedule
import time
from datetime import datetime
def daily_task():
print(f"Task executed at {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
schedule.every().day.at("10:30").do(daily_task)
if __name__ == "__main__":
for _ in range(3):
schedule.run_pending()
time.sleep(1)Browse by section
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Automation & scripting — Python code examples
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