gistfile1.txt

class Frame:
    def __init__(self, tracer):
        self.tracer = tracer
    def __enter__(self):
            set things up
            return thing
    def __exit__(self, type, value, traceback):
        self.tracer.pop()

class StackTracer
    def frame():
        return Frame(self):
    def record_value(array):
        pass
    def record_start(time):
        pass
    def pop():
        self.stack.pop()

class FullTracer
    def __init__()
        self.current_frame = None
    def frame():
        new_child = Frame(self)
        return new_child:
    def record_value(array):
        self.current_frame.value = array
    def record_start(time):
        self.current_frame['start'] = time
    def pop():
        ????
        self.children.add()

FullTracer:
{
    name:"salaire_imposable",
    period:"2017",
    start:200,
    end:250,
    free_memory_start:???,
    free_memory_end:???,
    status:'calc','cache','input',
    children:[
        {
            name:"salaire_net",
            period:"2017",
            start:201,
            end:250,
        },
        {
            name:"param.toto",
            period:"2017",
            start:201,
            end:250,
        },
        {
            name:"csg",
            etc.
        }
    ]
}

=>

{
    name:"salaire_imposable",
    period:"2017",
    value:50 (timing)
    children:[
        {
            name:"salaire_net",
            etc.
        },
        {
            name:"csg",
            etc.
        }
    ]
}