/**
 * @name Classes per file
 * @description Measures the number of classes in a file
 * @kind treemap
 * @id py/classes-per-file
 * @treemap.warnOn highValues
 * @metricType file
 * @metricAggregate avg sum max
 * @tags maintainability
 */

import python

from Module m, int n
where n = count(Class c | c.getEnclosingModule() = m)
select m, n order by n desc