from tkinter import *

class MultiStatusBar(Frame):

def __init__(self, master=None, **kw):
if master is None:
master = Tk()
Frame.__init__(self, master, **kw)
self.labels = {}

def set_label(self, name, text='', side=LEFT):
if name not in self.labels:
label = Label(self, bd=1, relief=SUNKEN, anchor=W)
label.pack(side=side)
self.labels[name] = label
else:
label = self.labels[name]
label.config(text=text)

def _test():
b = Frame()
c = Text(b)
c.pack(side=TOP)
a = MultiStatusBar(b)
a.set_label("one", "hello")
a.set_label("two", "world")
a.pack(side=BOTTOM, fill=X)
b.pack()
b.mainloop()

if __name__ == '__main__':
_test()