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Best Practices of Plone Development

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1.9 Debugging 1 BEST PRACTICES FOR PLONE DEVELOPMENT<br />

1.9.13 Transactions<br />

• Automatically discarded at end <strong>of</strong> session<br />

• Discard now:<br />

get_transaction().abort()<br />

• Commit now:<br />

get_transaction().commit()<br />

1.9.14 Synchronizing Transaction<br />

• Sync your transaction to the most up-to-date:<br />

app._p_jar.sync()<br />

1.9.15 Limitations <strong>of</strong> ZODB Shell<br />

• Not a real request<br />

– Missing REQUEST, RESPONSE, user, etc.<br />

• Not really a user<br />

1.9.16 Testing a Request<br />

• Real request through ZPublisher:<br />

import Zope<br />

Zope.debug(’/path/to/object’)<br />

• Returns output<br />

• Happens in real, separate transaction<br />

45

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