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Chapter 38. Developing New TALES Express... > Step 3: Trying Your New Expression i...

Step 3: Trying Your New Expression in Zope

Before you do the following walk-through, you need to have installed and started PostGreSQL. Then you should make sure that the psycopg module is installed for your Python. Furthermore, you should have installed the psycopgda database adapter in your Python path somewhere (for example, Zope3-Instance/lib/python). You can get the database adapter at http://svn.zope.org/psycopgda/trunk/. Before you can come back to Zope, you will need to create a database user that should have the same login name as the user running Zope 3. With that new database user, you need to create a database called test. You can use the following commands from the shell:

createuser zope3
createdb test


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