lookup_rdap with depth > 1 does not follow all entities

[kryptlurch]

lookup_rdap does not follow all possible entities:
example:

from ipwhois import IPWhois
obj = IPWhois('185.176.27.42')
result = obj.lookup_rdap(depth=2)

should fetch f.e. entity ORG-ISEB3-RIPE and include its details (vcard, street....)

[romain-fontugne]

maybe related the org-name from RIPE NCC is missing in ipwhois results

[secynic]

Looking into this. The ipwhois results include the entity but everything is empty for it.

Confirmed it does have data:
http://rdap.db.ripe.net/entity/ORG-ISEB3-RIPE

[secynic]

Those were root level entity objects returned by the base RDAP query, so they were not considered more than depth=0. The problem was the base RDAP query didn't return the vcardArray and other info like it did for ACRO20645-RIPE.

I've added a check if vcardArray is missing. If it is, it will query those root level entities for more info.

There is a problem with this. If depth=0, in the past, you would only expect 1 RDAP query per IP. Now if those root level entities are missing info, it will have 4 HTTP queries with depth=0 in this case.

I added a new argument (root_ent_check) to optionally disable these extra lookups.