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Ticket Resolution Summary Owner Reporter
#325 fixed Event push notification dread dread

Reported by dread, 4 years ago.
Description

As a

CKAN client program

I want to

be notified when changes to the CKAN metadata occur.

Examples of use

  1. An external search engine needing to (re)index a package. (interest: Package)
  2. A front-end system that caches package info and wants to know when it changes, to keep in step. (interest: Package or Revision) See further details here: ticket:352 and previous iteration here: ticket:333.
  3. A system for automatically checking package URLs and resource URLs as they are put on the system. This could alert to bad URLs and automatically email feedback to (meta)data owners. (interest: PackageResource)
  4. Do some processing on resource (e.g. extract sample data for display) (interest: PackageResource)

Context

The current state of CKAN can be queried through the REST API, you can keep track of changes by reviewing the feeds, but there is no way to find out the instant something is changed, without costly polling.

Design

Split-off into two tickets:

  • Notification message - ticket:323
    • Which events to notify on
    • Message format
  • Interface for Notifier Service - ticket:322

Testing

To test notifications, Carrot / AMQP will be configured to use a native-Python Queue, instead of requiring RabbitMQ to be running on the machine.

#326 fixed Centralise importation of json library dread dread

Reported by dread, 4 years ago.
Description

Later versions of python use json which is better than simplejson, but it must be kept as an option for compatibility. So centralise the import of json to ckan.lib.helpers.

#329 fixed Bad dates cause exception on Gov form rgrp dread

Reported by dread, 4 years ago.
Description

Reproduction

Using the government form, create a new package with name 'test' and date released of '23/5/0210'. The result is a 500 error and 'Server Error' message.

Affects all versions of CKAN.

Why it's happening

The dates module is raising an exception on the invalid date when saving the date, which is not being caught. The exception should have been raised only during the earlier 'validation' step and that would be caught.

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