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Ticket Resolution Summary Owner Reporter
#1794 fixed Publisher changes ross ross

Reported by ross, 2 years ago.

Description

Changes to publishers for customer that would otherwise clutter up the master branch.

#1796 fixed Get rid of lxml dependency ross dread

Reported by dread, 2 years ago.

Description

lxml is used in CKAN core in two places:

  • ckan/lib/helpers.py:239 Parsing Markdown and ensuring it is valid XML (i.e. tags close nicely so the HTML of the rest of the CKAN page is not disruptable).
  • reading the SOLR config XML to determine what version it is.

Both of these could be done with xml.dom built into Python and would save us a sizeable and slightly problematic dependency.

lxml is needed by these extensions: ckanext-inspire, ckanext-harvest, ckanext-csw & ckanext-wordpresser, so we'd have to add this to their requirements.

#1797 fixed [super] Webstore v2 - Integrated and based on ElasticSearch rgrp rgrp

Reported by rgrp, 2 years ago.

Description

Main tasks:

  • Integrated seamlessly into CKAN (authorization etc)
  • Based off ElasticSearch?

Etherpad: http://ckan.okfnpad.org/webstore

Tasks

  • New API point (config + controller) [0.75d]
    • /api/data/{resource-id}
  • Authorization [0.5d]
  • Documentation [0.25d]
  • Upgrade data viewer to use ES [0.5d]
  • Convert webstorer to new setup - http://github.com/okfn/ckanext-webstorer [1d] - #1753
    • See below
  • "Create DataStore? Resource" in Resource creation (??)
    • Just creates a resource with blank url and datastore enabled (webstore_url non null)
  • Tick box to enable DataStore? in Resource edit form (for time being would just set webstore_url to any non-null/non-empty value)
    • Also need to use this info in DataStore? extension?
  • Create nice instructions on Resource page about using the DataStore?
  • Rename webstore -> datastore
  • Deploy [0.5d]

Details

Layout on ES

elasticsearch/{index}/{type-id}

index = ckan-{ckan-id}
type-id = resource-id (1)

Request path

Req => Nginx => CKAN App (authz) => req to elasticsearch and returns results

See as an example: https://github.com/okfn/elastic-proxy

Questions

  1. How do we decide what to use in the viewer e.g. Webstore data versus DataProxy?
    • Check for existence of webstore_url on Resource (should really be webstore_enabled boolean or similar, however we stick with url for the time being because it exists and we avoid migration). If exists use Webstore o/w don't.
  2. How do we decide when webstore is activated
    • Ans: see previous.
  3. Do we (and how do we) allow for resources which are just for webstores
    • Ans: we have to set webstore_url = True ... on save. Or add a big button saying: "Create Blank Resource" ...
  4. How does webstorer work ...
    • CSV import - NS: make sure we add e.g. rownum or id = rownum ...
    • Separate mini-service (webstorer.thedatahub.org ...)
  5. How do we selectively disable recline where not appropriate (e.g. query support makes no sense for DataProxy?)
    • Ans: do not bother at present. Focus on Webstore route.
  6. Where does geodata support come in (in Recline or separately)
    • This is a separate issue

User Story 1

User -> CKAN instance -> Add Dataset -> Adds a Resource via uploading a CSV file -> Save

=> Result = New Dataset + Resource + Data API to resource and nice Preview of the data

Solution:

  1. Allow normal upload process
  2. Webstorer queue task which should get triggered by new resource. Check the resource and if it can convert into the associated resource webstore database.
  3. Update the resource in some way (set webstore_url)

User Stories

User Story 2

User -> CKAN instance -> Add Dataset -> Adds a Resource via linking to some remote file (CSV or otherwise) or uploading some data (CSV or otherwise)

=> Result = New Dataset + Resource + nice Preview of the data (wherever possible)

User Story 3

User -> CKAN instance -> Add Dataset -> Adds a Resource which will be webstore database in CKAN -> User saves data to this data store.

=> Result = New Dataset + Resource (Webstore resource) which can now be written to or read from by the user

Solution: just create a resource with blank url (or better, have a new option to create webstore resource ...)

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