__init__.py 文件源码

def class_view(request):
    ctx = request.context
    user_id = authenticated_userid(request) or Everyone
    check = check_permissions(ctx, user_id, CrudPermissions.READ)
    view = request.GET.get('view', None) or ctx.get_default_view() or 'id_only'
    tombstones = asbool(request.GET.get('tombstones', False))
    q = ctx.create_query(view == 'id_only', tombstones)
    if check == IF_OWNED:
        if user_id == Everyone:
            raise HTTPUnauthorized()
        q = ctx.get_target_class().restrict_to_owners(q, user_id)
    if view == 'id_only':
        return [ctx._class.uri_generic(x) for (x,) in q.all()]
    else:
        permissions = ctx.get_permissions()
        r = [i.generic_json(view, user_id, permissions) for i in q.all()]
        return [x for x in r if x is not None]


# @view_config(context=InstanceContext, renderer='json', name="jsonld",
#              request_method='GET', permission=P_READ,
#              accept="application/ld+json;q=0.9")
# @view_config(context=InstanceContext, renderer='json',
#              request_method='GET', permission=P_READ,
#              accept="application/ld+json;q=0.9")