_dynamic_childs = {}
def _dynamic_tab(name, text):
    tab = widgets.right.insert("end", name, text=text)
    tab.configure(borderwidth=1, highlightthickness=0)
    return tab

def _dynamic_tabs(inifile):
    from subprocess import Popen
    tab_names = inifile.findall("DISPLAY", "EMBED_TAB_NAME")
    tab_cmd   = inifile.findall("DISPLAY", "EMBED_TAB_COMMAND")
    if len(tab_names) != len(tab_cmd):
        print "Invalid tab configuration"
        # Complain somehow
        return
    for i,t,c in zip(range(len(tab_cmd)), tab_names, tab_cmd):
        w = _dynamic_tab("user_" + str(i), t)
        f = Tkinter.Frame(w, container=1, borderwidth=0, highlightthickness=0)
        f.pack(fill="both", expand=1)
        xid = f.winfo_id()
        cmd = c.replace('{XID}', str(xid))
        child = Popen(cmd.split())
        _dynamic_childs[str(w)] = child

@atexit.register
def kill_dynamic_childs():
    for c in _dynamic_childs.values():
        c.terminate()

_dynamic_tabs(inifile)