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This file outlines the basics of using Zope3 with PostgreSQL via PsycopgDA.
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1. Check out the psycopg2da package into a directory in your
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PYTHONPATH. INSTANCE_HOME/lib/python or Zope3/src is usually the
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most convenient place:
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svn co svn://svn.zope.org/repos/main/psycopg2da/trunk psycopg2da
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2. Copy `psycopg2-configure.zcml` to the `package-includes` directory
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of your Zope instance.
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Creating Database Connections
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------------------------------
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It is time to add some connections. A connection in Zope 3 is
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registered as a utility.
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3. Open a web browser on your Zope root folder (http://localhost:8080/
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if you use the default settings in zope.conf.in).
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4. Click on the 'Manage Site' action on the right side of the
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screen. You should see a screen which reads 'Common Site Management
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5. Around the middle of that page, you should see a link named 'Add
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Utility'. Click on it.
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6. Select 'Psycopg DA' and type in a name at the bottom of the page.
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7. Enter the database connection string. It looks like this:
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dbi://username:password@host:port/databasename
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8. Click on the 'Add' button.
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9. You should be on a page which reads 'Add Database Connection
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Registration'. There you can configure the permission needed to use
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the database connection, the name of the registration and the
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registration status. You can use any name for 'Register As' field,
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as long as it doesn't clash with an existing one. Choose a
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permission. Choose between 'Registered' and 'Active' for the
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'Registration Status'. Only one component of a kind can be 'Active'
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at a time, so be careful.
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10. You should be redirected to the 'Edit' screen of the connection
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11. If you want to, you can go to the Test page and execute arbitrary
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SQL queries to see whether the connection is working as expected.
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You can create SQL Scripts in the content space. For example:
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13. Add an SQL script (you can use the Common Tasks box on the left,
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or the Add action on the right).
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14. Click on the name of your new SQL script.
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15. Choose a connection name (the one you entered in step 29) from the
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16. Enter your query and click on the 'Save Changes' button.
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17. You can test the script in the -- surprise! -- Test page.
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psycopg2da/README.txt
