capture dct:spatial as bbox, if it contains a box

[pvgenuchten]

in some cases, bbox is strored in dct:spatial, nice to have it as bbox

added some csw parse tests, seemed not existing

[coveralls]

coverage: 60.296% (+1.3%) from 58.984%
when pulling e81b2e5 on pvgenuchten:if_dct_spatial_has_a_box
into 1354d06 on geopython:master.

[geographika]

@pvgenuchten - great to get some tests for the CSW parsing. It looks like there is a lot of shared code in the __init__ for CswRecord and Csw30Record that could be refactored into one function - maybe for another pull request.

A couple of questions:

1. If a document has both ows:BoundingBox and dct:spatial then self.bbox will overwrite the value from ows:BoundingBox with dct:spatial. Is this scenario possible, and if yes then should this be the correct precedence?
2. If dct:spatial is not a bbox in the form -180,-90,180,90 then self.spatial is set to val. What could val be - a string? It would be good to have an example document and test for this.

[geographika]

@pvgenuchten - we're looking to make a new release of OWSLib. If you have any thoughts on the above questions, please add to this ticket. Are you then happy to merge?

[pvgenuchten]

@pvgenuchten - great to get some tests for the CSW parsing. It looks like there is a lot of shared code in the __init__ for CswRecord and Csw30Record that could be refactored into one function - maybe for another pull request.

I'm not sure i'm able to manage the refactore, but for sure is a good idea. I'd say postpone to next PR.

1. If a document has both ows:BoundingBox and dct:spatial then self.bbox will overwrite the value from ows:BoundingBox with dct:spatial. Is this scenario possible, and if yes then should this be the correct precedence?

valid question, I will have a look, maybe we can store both?

2. If dct:spatial is not a bbox in the form -180,-90,180,90 then self.spatial is set to val. What could val be - a string? It would be good to have an example document and test for this.

dct:spatial indeed is often populated with a spatial label, such as London, Bretagne. Indeed good to add a test for it. A recommendation from geodcat-ap is at https://interoperable-europe.ec.europa.eu/release/how-should-dctspatial-and-dctlocation-be-used

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[github-actions]

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