from Tkinter import *
def onObjectClick(event):
print 'Clicked', event.x, event.y, event.widget,
print event.widget.find_closest(event.x, event.y)
root = Tk()
canv = Canvas(root, width=100, height=100)
obj1 = canv.create_text(50, 30, text='Click me one')
obj2 = canv.create_text(50, 70, text='Click me two')
canv.tag_bind(obj1, '', onObjectClick)
canv.tag_bind(obj2, '', onObjectClick)
canv.pack()
root.mainloop()