Protect against crash in the `relation_possible` predicate with ambiguous relations.
It was still possible to get a KeyError when using relations that are ambiguous
at both ends, like (Executable, version_of, Program) & (Version, version_of, Project).
Closes #3010148.
sync_schema_props_perms('EmailAddress')
for source in rql('CWSource X WHERE X type "pyrorql"').entities():
sconfig = source.dictconfig
nsid = sconfig.pop('pyro-ns-id', config.appid)
nshost = sconfig.pop('pyro-ns-host', '')
nsgroup = sconfig.pop('pyro-ns-group', ':cubicweb')
if nsgroup:
nsgroup += '.'
source.cw_set(url=u'pyro://%s/%s%s' % (nshost, nsgroup, nsid))
source.update_config(skip_unknown=True, **sconfig)
commit()