from Tkinter import *

class Checkbar(Frame):
    def __init__(self, parent=None, picks=[], side=LEFT, anchor=W):
        Frame.__init__(self, parent)
        self.vars = []
        for pick in picks:
            var = IntVar()
            chk = Checkbutton(self, text=pick, variable=var)
            chk.pack(side=side, anchor=anchor, expand=YES)
            self.vars.append(var)

    def state(self):
        return [var.get() for var in self.vars]

root = Tk()
checkBoxBar = Checkbar(root, ['A', 'B', 'C', 'D'])

checkBoxBar.pack(side=TOP,  fill=X)

checkBoxBar.config(relief=GROOVE, bd=2)

def allstates():
     print checkBoxBar.state()

Button(root, text='Peek', command=allstates).pack(side=RIGHT)
root.mainloop()

> states = []
    > for i in range(10):
    >     var = IntVar()
    >     chk = Checkbutton(root, text=str(i), variable=var)
    >     chk.pack(side=LEFT)
    >     states.append(var)
    >root.mainloop()
    > print map((lambda var: var.get()), states)

def allstates():
     global state
     state = checkBoxBar.state()