command.py 文件源码

def complete(self, text, state):
        """Return the next possible completion for 'text'."""
        if state == 0:
            origline = readline.get_line_buffer()
            begidx = readline.get_begidx()
            endidx = readline.get_endidx()
            if begidx > 0:
                cmd, args, foo = self.parseline(origline)
                if cmd == '':
                    compfunc = self.completedefault
                else:
                    try:
                        compfunc = getattr(self, 'complete_' + cmd.lower())
                    except AttributeError:
                        try:
                            compfunc = self.ctx.lookup_compfunction(cmd)
                        except AttributeError:
                            compfunc = self.completedefault
            else:
                compfunc = self.completenames
            arglist = [item.strip() for item in origline.strip().split()]
            comp_state = self.get_compstate(text, arglist)
            self.completion_matches = compfunc(text, origline, arglist, comp_state, begidx, endidx)

        try:
            return self.completion_matches[state]
        except:
            return None

    #def get_names(self):
    #    names = []
    #    classes = [self.__class__]
    #    while classes:
    #        aclass = classes.pop(0)
    #        if aclass.__bases__:
    #            classes = classes + list(aclass.__bases__)
    #        names = names + dir(aclass)
    #    return names