Pressing the Red Button

How to Delete an Index in an AppEngine Datastore

If using Python, you can delete an index by first removing the entry in your index.yaml file, and then updating your site. Then you must issue this command: appcfg.py vacuum_indexes myapp/ With Django (what I am using), you use this command: manage.py vacuum_indexes What is nice about the process is that, for each index that has been removed from [...]

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Google AppEngine: appcfg.py update check failed

I started getting this error in Windows when running ‘manage runserver’ in django on Google AppEngine: appcfg.py update check failed: EOF occurred in violation of protocol This error is related to not having the SSL module for python installed. The easy fix is to install it by running “easy_install ssl” from the command prompt. However, using Python [...]

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Solving “InvalidSenderError: Unauthorized sender” in AppEngine

You might get this message in Google AppEngine when sending an email message and specifying a custom from address. To get it to work you must add the address as a developer for your application (or use the email address you signed up with). Steps to Add a Developer Email Address: Log in to your Google [...]

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Testing Email Locally with AppEngine Patch on Windows

If you need to get email working on your windows dev machine for Google AppEngine, here is one method: Download Fake Sendmail for Windows. Unzip the files and copy them into a new folder. Add this new folder to your windows PATH, by right clicking on My Computer -> Properties. Click Advanced Tab -> Environmental Variables. Edit [...]

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