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import os import hashlib import smtplib from email.mime.text import MIMEText

def check_for_updates(): # Calculate hash of current PDF file current_hash = hashlib.md5(open(PDF_FILE, 'rb').read()).hexdigest() pacem lee dengler satb pdf updated

# Define constants PDF_FILE = 'pacem_lee_dengler_satb.pdf' UPDATE_URL = 'https://example.com/pacem_lee_dengler_satb.pdf' REGISTRATION_DB = 'registered_users.db' import os import hashlib import smtplib from email

"Choral Music Update Notifier"