It should be possible to access closed WMF wikis. The pywikibot family files prevent this, and result in errors when attempting to instantiate a Site for a closed wiki.
At least read API calls should be possible, and write actions depending on user-rights. e.g. stewards have edit rights.
Version: core-(2.0)
Severity: enhancement
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=54963
https://bugzilla.wikimedia.org/show_bug.cgi?id=71115