support for datacite schema on the oai-pmh endpoint

[pvgenuchten]

Overview

Introduces the datacite MetadataFormat to the oai-pmh endpoint (commonly used in research repositories) as suggested in #623.

Fixes some problems with namespaces/identifiers

Ambition to add additional properties

Related Issue / Discussion

based on work by @cfenell at https://github.com/cfenell/pycsw/blob/datacite/pycsw/plugins/outputschemas/datacite.py

Additional Information

The following calls can be made with above work:

• http://localhost:8000/oaipmh?verb=ListMetadataFormats (should include datacite)
• http://localhost:8000/oaipmh?verb=ListRecords&metadataPrefix=datacite
• http://localhost:8000/oaipmh?verb=GetRecord&identifier=urn:uuid:66ae76b7-54ba-489b-a582-0f0633d96493&metadataPrefix=datacite

Contributions and Licensing

(as per https://github.com/geopython/pycsw/blob/master/CONTRIBUTING.rst#contributions-and-licensing)

• [x] I'd like to contribute [feature X|bugfix Y|docs|something else] to pycsw. I confirm that my contributions to pycsw will be compatible with the pycsw license guidelines at the time of contribution.
• [x] I have already previously agreed to the pycsw Contributions and Licensing Guidelines

[pvgenuchten]

test problem is on csw getcapabilities test, the datacite schema is also advertised for csw

[tomkralidis]

Fantastic work here!

1. We need docs updates in :

• https://docs.pycsw.org/en/latest/introduction.html#standards-support
• https://docs.pycsw.org/en/latest/introduction.html#supported-output-schemas

2. Do we envision Transactions of DataCite records, or solely an output format? If we do, we need to add a parser (in pycsw/core/metadata.py and https://docs.pycsw.org/en/latest/transactions.html#supported-resource-types

[pvgenuchten]

Nice, thanx for docs pointer, I’ll work on that

Datacite ingest is not on my radar now, maybe in a future iteration