Extension da|ra DOI Registration

These CKAN Versions are exactely matched:

• 2.10.0
• 2.10.1
• 2.10.2
• 2.10.3
• 2.10.4
• 2.10.5
• 2.10.6
• 2.10.7
• 2.10.8
• 2.10.9
• 2.11.0
• 2.11.1
• 2.11.2
• 2.11.3
• 2.11.4
• 2.12.0
• 2.9.0
• 2.9.0a
• 2.9.1
• 2.9.10
• 2.9.11
• 2.9.13
• 2.9.2
• 2.9.3
• 2.9.4
• 2.9.5
• 2.9.6
• 2.9.7
• 2.9.8
• 2.9.9

CKAN extension that integrates the da|ra metadata schema and enables registration of DOIs at da|ra. Developed for the EDaWaX project at ZBW (German National Library of Economics) and is actively used for the ZBW Journal Data Archive. Features: Customizes dataset forms with da|ra schema fields. Provides a small subset of the original da|ra metadata schema for ease of use. Retrieves metadata from ORCID and GND services. Implements repeating fields for multiple authors. Supports XML validation via lxml.