January 2015
Intermediate to advanced
198 pages
4h 27m
English
Content preview from Python for Google App EngineBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Sending notification e-mails
It's very common for web applications to send notifications to the users, and e-mails are a cheap and effective channel for delivering. The Notes application could benefit from a notification system as well: early in this chapter, we modified the shrink image function so that it runs in a task queue. Users receive a response immediately, but the actual job is put in a queue and they don't know if and when shrink operations complete successfully.
As we can send e-mail messages from an App Engine application on behalf of the administrators or users with Google Accounts, we send a message to the user as soon as the shrink operation is completed.
We first import the mail package in the main.py module:
from google.appengine.api ...
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