def book_due_reminders(): count = 0 """find all the books due tomorrow and send reminder emails""" books = BookCopy.query(BookCopy.due_date==date.today() + timedelta(days=1)).fetch() for book in books: count += 1 owner = UserAccount.query(UserAccount.key==book.owner).get() mail.send_mail(sender=owner.email, to=UserAccount.query(UserAccount.key==book.borrower).get().email, subject="Book Due Soon", body="""Hey, remember that book you borrowed on Bookout from me, '%s'? Please get it back to me by tomorrow. Thanks! %s"""%(Book.query(Book.key==book.book).get().title,owner.name)) return "%s reminders were sent out" %count
