from cubicweb.schemas.base import in_group, CWSourceSchemaConfig

# copy __permissions__ to avoid modifying a shared dictionary

in_group.__permissions__ = in_group.__permissions__.copy()

in_group.__permissions__['read'] = ('managers',)

cw_for_source = CWSourceSchemaConfig.get_relation('cw_for_source')

cw_for_source.__permissions__ = {'read': ('managers', 'users'),

                                 'add': ('managers',),

                                 'delete': ('managers',)}