app.py 文件源码

def run(self):
        '''
        Runs all the windows added to the application, and returns a `Result`
        object.

        '''
        result = Result()
        try:
            self.scr = curses.initscr()
            self.MAX_HEIGHT, self.MAX_WIDTH = self.scr.getmaxyx()
            curses.noecho()
            curses.cbreak()
            curses.start_color()
            curses.use_default_colors()
            self.window = self.scr.subwin(0, 0)
            self.window.keypad(1)
            self.window.nodelay(1)
            self._run_windows()
            self.threads += [gevent.spawn(self._input_loop)]
            gevent.joinall(self.threads)
            for thread in self.threads:
                if thread.exception:
                    result._extract_thread_exception(thread)
        except KeyboardInterrupt:
            result._extract_exception()
        except Exception:
            result._extract_exception()
        finally:
            if self.scr is not None:
                self.scr.keypad(0)
                curses.echo()
                curses.nocbreak()
                curses.endwin()
        return result