class Client(object): """The client class that responds for the user input and menu print, as well as the main logics""" def __init__(self): self.url = 'http://douban.fm/j/mine/playlist?type=n&channel=%d&from=mainsite' self.current_song = None self.player = Player() self.channel = Channel() self.current_channel = self.channel.current_channel self.view = View(self.channel) self.update_current_song() self.is_playing = False self.seconds = 0 self.length = self.current_song.length def update_current_song(self): page_source = None url = self.url % self.current_channel try: page_source = urllib.urlopen(url) except urllib2.HTTPError: print "Get current song information failed" page_data = page_source.read() json_data =json.loads(page_data) new_json_data = json.dumps(json_data['song'], ensure_ascii=False) song_data = json.loads(new_json_data) self.current_song = Song(song_data[0]) self.player.update_current_song(self.current_song) def print_helper(self): self.view.print_helper() def play(self): self.is_playing = True self.player.play_current_song() def stop(self): self.is_playing = False self.seconds = 0 self.player.stop_playing_current_song() def next(self): self.view.print_loading_information() self.player.stop_playing_current_song() self.update_current_song() self.play() def pre_channel(self): self.channel.pre_channel() self.change_channel() def next_channel(self): self.channel.next_channel() self.change_channel() def change_channel(self): new_channel = self.channel.current_channel if new_channel != self.current_channel: self.current_channel = new_channel self.next() def exit(self): self.player.stop_playing_current_song() self.view.print_exit_informaton() sys.exit() def display(self): while True: if self.is_playing == True: self.seconds = self.seconds + 1 self.view.print_song_information(self.seconds, self.current_song.get_basic_information()) else: self.view.print_pause_information() break time.sleep(1.0) def start(self): self.play() while True: self.display() i = getch._Getch() choice = i() if choice == 'p' and self.is_playing == False: self.play() elif choice == 's' and self.is_playing == True: self.stop() elif choice == 'n': self.next() elif choice == 'i': self.pre_channel() elif choice == 'k': self.next_channel() elif choice == 'h': self.print_helper() elif choice == 'q': self.exit()
