def get_user_profiles(cls):
"""Yield a series of all user profiles on this site which satisfy this
role.
"""
from lino.modlib.users.choicelists import UserProfiles
for p in UserProfiles.items():
if p.has_required_roles([cls]):
yield p
def instance(cls):
if cls._instance is None:
# Call startup() to fill UserProfiles also in a
# multi-threaded environment:
settings.SITE.startup()
cls._instance = AnonymousUser()
from lino.modlib.users.choicelists import UserProfiles
cls._instance.profile = UserProfiles.get_by_value(
settings.SITE.anonymous_user_profile, None)
if cls._instance.profile is None:
raise Exception(
"Invalid value %r for `SITE.anonymous_user_profile`. "
"Must be one of %s" % (
settings.SITE.anonymous_user_profile,
[i.value for i in UserProfiles.items()]))
return cls._instance
