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May 30, 2023 04:16
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A simple python script to check URLs and send email alerts if there are any exceptions. Originally created as a keepalive to ping web apps on PythonAnywhere to keep them from sleeping. Thanks to ogrigas for the inspiration.
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| import requests | |
| urls = [ | |
| "http://www.google.com", | |
| "http://www.yahoo.com", | |
| ] | |
| def send_mail(sender, recipient, subject, message, password, smtpserver): | |
| from smtplib import SMTP | |
| from email.mime.text import MIMEText | |
| msg = MIMEText(message) | |
| msg['Subject'] = subject | |
| msg['From'] = sender | |
| msg['To'] = recipient | |
| server = SMTP(smtpserver) | |
| server.ehlo() | |
| server.starttls() | |
| server.login(sender, password) | |
| server.sendmail(sender, [recipient], msg.as_string()) | |
| server.quit() | |
| def send_alert(url, e, errtype): | |
| subject = "{} for {}".format(errtype, url) | |
| message = str(e) | |
| send_mail('[email protected]', '[email protected]', subject, message, | |
| 'accountpassword', 'smtp.gmail.com:587') | |
| # The above assumes you are using gmail; it is recommended to get an app- | |
| # specific password at https://myaccount.google.com/u/0/apppasswords | |
| for url in urls: | |
| try: | |
| r = requests.get(url) | |
| r.raise_for_status() | |
| # Want to ensure that any HTTP error gets handled as an exception | |
| except requests.exceptions.HTTPError as e: | |
| send_alert(url, e, 'HTTPError') | |
| # Catch the base class exception to broadly handle all exceptions | |
| except requests.exceptions.RequestException as e: | |
| send_alert(url, e, 'Exception') |
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