Currently we save every URI ever qname'd forever in here: https://github.com/RDFLib/rdflib/blob/master/rdflib/namespace.py#L289

If you serialize a big graph in a store that is off disk, we may run out of memory.

Either:

• Add a lru_cache (from py3 functools + this 2.7 implementation
• Depend on

Terminus Server uses system:main/0 calls user hook main/1 to be prologscript compliant, which is good. But it hand parses (and not well) the argv list. let's move this to a proper optparse parsing before it becomes a nuisance.

Originally posted at OpenRefine/OpenRefine#2873 by @addshore

Describe the bug

If I am logged into wikidata, but my session expires or I get logged out for some reason I can not use the log out button in the app.

Current Results

When I do click logout I see the following in the console and the app continues to think that I am logged in.

17:3