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import wx
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import urllib.request
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import pygame
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import os
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import re
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import time
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from threading import Thread
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import math
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import datetime
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APP_TITLE = u'音乐播放器'
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MAX_LYRIC_ROW = 15
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LYRIC_ROW_REG = '\[[0-9]{2}:[0-9]{2}.[0-9]{2,}\]'
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MAX_MUSIC_NAME_LEN = 18
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class mainFrame(wx.Frame):
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'''程序主窗口类，继承自wx.Frame'''
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def __init__(self):
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'''构造函数'''
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# 播放器的整体属性
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self.width = 1280
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self.height = 720
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self.volume = 0
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self.local_music_folder = "music_folder"
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wx.Frame.__init__(self, None, -1, APP_TITLE)
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self.SetSize(self.width, self.height)
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self.SetBackgroundColour((200,200,200)) # 设置界面的背景颜色
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# 音乐列表有关
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self.local_music_name_list = [] # 当前音乐名字列表
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self.lyrcis_static_text = [] # 当前播放的音乐的歌词列表
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self.play_stop_button = None # 播放、暂停按钮
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self.current_music_state = 0 # 是否有音乐在播放，0表示否
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self.current_music_index = 0 # 当前音乐的索引
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# 初始化本地歌曲列表
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self.get_local_music_list()
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self.current_music_static_text = None # 当前播放的音乐的名字
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# 按钮使用的图片
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self.play_bmp = wx.Image("resource/播放.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap()
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self.stop_bmp = wx.Image("resource/暂停.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap()
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# 导航栏所在的panel
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self.navi_panel = None
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self.draw_navi_panel()
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# 歌曲列表所在的panel
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self.music_list_panel = None
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self.draw_music_list_panel()
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# 播放部分所在的panel
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self.play_music_panel = None
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self.draw_play_music_panel()
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# 歌词部分所在的panel
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self.music_lyric_panel = None
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self.draw_music_lyric_panel()
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# 下载音乐面板
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self.down_music_panel = None
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self.input_url_text_ctrl = None # 输入的下载路径
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self.down_button = None # 下载按钮
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self.draw_down_music_panel()
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pygame.mixer.init()
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self.music = pygame.mixer.music
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self.SONG_FINISHED = pygame.USEREVENT + 1
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def get_path_by_name(self, file_name):
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return os.path.join(self.local_music_folder, file_name)
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def get_local_music_list(self):
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self.local_music_name_list.clear() # 这一步必须有
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for local_music_file_name in os.listdir(self.local_music_folder):
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if local_music_file_name.endswith(".mp3"):
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self.local_music_name_list.append(local_music_file_name)
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def draw_navi_panel(self):
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# 导航栏所在的panel
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self.navi_panel = wx.Panel(self, id=-1, pos=(0, 0), size=(100, self.height - 100))
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# 本地音乐
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local_music_text = wx.StaticText(self.navi_panel, -1, "本地音乐", pos=(20, 20), style=wx.ALIGN_LEFT)
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local_music_text.SetOwnForegroundColour((0, 0, 0))
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def draw_music_list_panel(self):
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# 重新计算本地音乐列表
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self.get_local_music_list()
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# 绘制面板整体
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if self.music_list_panel is not None:
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self.music_list_panel.Destroy()
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self.music_list_panel = wx.Panel(self, id=-1, pos=(100, 0), size=(300, self.height - 100))
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# 音乐列表
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local_music_num = len(self.local_music_name_list)
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for music_index in range(local_music_num):
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music_full_name = self.local_music_name_list[music_index].replace(".mp3", "")
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if len(music_full_name) > MAX_MUSIC_NAME_LEN:
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music_full_name = music_full_name[0:MAX_MUSIC_NAME_LEN] + "..."
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music_text = wx.StaticText(self.music_list_panel, -1, music_full_name,
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pos=(0, music_index * 40 + 20), size=(270, 30), style=wx.ALIGN_RIGHT)
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music_text.SetOwnForegroundColour((0,0,0))
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music_text.Refresh() # 这句话不能少
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play_button = wx.BitmapButton(self.music_list_panel, -1, self.play_bmp, pos=(280, music_index * 40 + 20),
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size=(20, 20))
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play_button.Bind(wx.EVT_LEFT_DOWN, lambda e, index=music_index: self.play_index_music(index))
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def draw_play_music_panel(self):
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# 播放音乐所在的panel
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self.play_music_panel = wx.Panel(self, id=-1, pos=(0, self.height - 100), size=(self.width, 100))
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# 歌的名字
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self.current_music_static_text = wx.StaticText(self.play_music_panel, -1, "请选择歌曲",
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pos=(100, 15), size=(200, 30), style=wx.ALIGN_RIGHT)
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self.current_music_static_text.SetOwnForegroundColour((0,0,0))
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last_music_bpm = wx.Image("resource/上一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap()
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next_music_bpm = wx.Image("resource/下一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap()
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last_music_button = wx.BitmapButton(self.play_music_panel, -1, last_music_bpm, pos=(340, 15), size=(30, 30))
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self.play_stop_button = wx.BitmapButton(self.play_music_panel, -1, self.play_bmp, pos=(380, 15), size=(30, 30))
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next_music_button = wx.BitmapButton(self.play_music_panel, -1, next_music_bpm, pos=(420, 15), size=(30, 30))
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# 调节音量的按钮
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volume_slider = wx.Slider(self.play_music_panel, -1, 50, 0, 100, pos=(500, 15), size=(570, -1), style=wx.SL_HORIZONTAL)
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# 上述按钮的监听器
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last_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_last_music)
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self.play_stop_button.Bind(wx.EVT_LEFT_DOWN, self.play_stop_music)
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next_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_next_music)
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volume_slider.Bind(wx.EVT_SLIDER, self.change_volume)
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def draw_down_music_panel(self):
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'''
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下载音乐所在的面板
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:return:
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'''
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self.down_music_panel = wx.Panel(self, id=-1, pos=(400, 0), size=(self.width - 400, 60))
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# 下载地址输入框
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self.input_url_text_ctrl = wx.TextCtrl(self.down_music_panel, -1, "请输入下载链接", pos=(100, 20), size=(600, 30))
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#self.input_url_text_ctrl.SetOwnBackgroundColour((63, 63, 63))
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# 绘制下载图标
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down_bmp = wx.Image("resource/下载.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap()
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self.down_button = wx.BitmapButton(self.down_music_panel, -1, down_bmp, pos=(700, 20), size=(30, 30))
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# 监听下载图标按钮的鼠标点击事件
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self.down_button.Bind(wx.EVT_LEFT_DOWN, self.download_music)
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def play_music(self):
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'''
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重新载入，播放音乐
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:return:
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'''
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current_music_path = self.get_path_by_name(self.local_music_name_list[self.current_music_index])
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self.music.load(current_music_path)
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pygame.mixer.init()#pygame模块初始化
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my_music = pygame.mixer.music
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playing_time =my_music.get_pos()
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print(playing_time)
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# step1：播放音乐
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self.music.play(loops=1, start=0.0)
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# 更改当前播放的音乐的名字
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current_music_name = self.local_music_name_list[self.current_music_index].replace(".mp3", "")
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if len(current_music_name) > MAX_MUSIC_NAME_LEN:
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current_music_name = current_music_name[0:MAX_MUSIC_NAME_LEN] + "..."
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self.current_music_static_text.SetLabelText(current_music_name)
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# step6：开启新线程，追踪歌词
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self.display_lyric()
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def play_index_music(self, music_index):
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'''
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播放指定索引的音乐
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:return:
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'''
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self.current_music_index = music_index
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# 载入音乐
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self.play_music()
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def play_stop_music(self, evt):
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if self.music.get_busy() or self.IsPaused: # 有音乐在播放，需要暂停，或者音乐暂停中
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if 1 == self.current_music_state:
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print("有音乐在播放，需要暂停")
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self.music.pause()
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self.current_music_state = 0
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self.IsPaused = True
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self.play_stop_button.SetBitmap(self.play_bmp)
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else: # 恢复暂停的音乐
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self.music.unpause()
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self.current_music_state = 1
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self.IsPaused = False
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self.play_stop_button.SetBitmap(self.stop_bmp)
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else: # 重新载入音乐
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self.play_music()
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def play_last_music(self, evt):
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# 计算上一首音乐的名字和路径
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if self.current_music_index > 0:
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self.play_index_music(self.current_music_index - 1)
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else:
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self.play_index_music(0)
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def play_next_music(self, evt):
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# 计算下一首音乐的名字和路径
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if self.current_music_index < len(self.local_music_name_list) - 1:
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self.play_index_music(self.current_music_index + 1)
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else:
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self.play_index_music(len(self.local_music_name_list) - 1)
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def change_volume(self, evt):
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'''
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修改音量
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:param evt:
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:return:
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'''
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obj = evt.GetEventObject()
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val = obj.GetValue()
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self.volume = float(val / 100)
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self.music.set_volume(self.volume)
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def download_music(self, evt):
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'''
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下载音乐
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:param evt:
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:return:
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'''
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# 获取文本框中输入的下载地址
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music_down_url = self.input_url_text_ctrl.GetValue()
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# 给下载的音乐在本地确定一个存储地址
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down_music_path = os.path.join(self.local_music_folder, datetime.datetime.now().strftime('%Y-%m-%d-%H-%M-%S') + ".mp3")
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before_music_name = self.local_music_name_list[self.current_music_index]
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# 开始下载
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urllib.request.urlretrieve(music_down_url, down_music_path)
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# 下载完成后，重新绘制音乐列表面板
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self.draw_music_list_panel()
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# 调整当前音乐的索引
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for index in range(len(self.local_music_name_list)):
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if before_music_name == self.local_music_name_list[index]:
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self.current_music_index = index
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def get_lyrics(self):
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'''
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读取歌词，不带时间标记
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:param lyrics_file_path:
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:return:
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'''
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# 获取当前播放的音乐的歌词的完整路径
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current_lyric_path = self.get_lyric_path()
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if current_lyric_path is None or not os.path.exists(current_lyric_path):
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return ["纯音乐或暂无歌词"]
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# 打开歌词文件，读取其中的内容
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with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer:
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content_list = file_pointer.readlines()
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# 用一个list记录歌词
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lyrics_list = []
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# 我们只要歌词部分，不要开头的歌名和作者介绍，因为歌名和作者介绍不带时间
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# 不方便我们进行歌词的追踪
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for content in content_list:
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# 用一个正则表达式过滤出歌词部分
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if re.match(LYRIC_ROW_REG, content):
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lyric_clause = content.replace('\n', '')[10:]
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lyrics_list.append(lyric_clause)
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return lyrics_list
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def display_lyric(self):
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lyric_refersh_thread = Thread(target=self.refersh_lyrics)
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lyric_refersh_thread.start()
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def parse_lyrics(self):
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current_lyric_path = self.get_lyric_path()
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if current_lyric_path is None:
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content_list = ["[00:00.00]暂无歌词"]
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else:
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# 读文件内容
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with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer:
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content_list = file_pointer.readlines()
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lyrics_list = []
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for content in content_list:
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if re.match(LYRIC_ROW_REG, content):
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time_lyric = dict()
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start_time = float(content[1:3]) * 60 + float(content[4:6]) + float(content[7:9]) / 100
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index_of_right_blank = content.index(']')
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time_lyric[start_time] = content.replace('\n', '')[index_of_right_blank + 1:]
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lyrics_list.append(time_lyric)
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return lyrics_list
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def refersh_lyrics(self):
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'''
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刷新歌词子线程
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:return:
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'''
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lyrics_time_dict_list = self.parse_lyrics()
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relative_start_index = 0 # 相对起始歌词索引
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while self.music.get_busy(): # 播放中
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current_time = float(self.music.get_pos() / 1000)
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for lyric_index, lyrics_time_dict in enumerate(lyrics_time_dict_list):
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lyric_time = list(lyrics_time_dict.keys())[0]
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if math.fabs(lyric_time - current_time) < 0.7:
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# 当歌词已经超过底部了，则刷新歌词面板，展示第二页的歌词
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if lyric_index > 0 and lyric_index % MAX_LYRIC_ROW == 0:
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relative_start_index = lyric_index
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self.redraw_music_lyric_panel(start_index=relative_start_index)
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self.lyrcis_static_text[lyric_index - relative_start_index].SetOwnForegroundColour((227, 62, 51))
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# 这句话千万不能少，少了颜色不会刷新（来自调试了4个小时的忠告）
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|
self.lyrcis_static_text[lyric_index - relative_start_index].Refresh()
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|
break
|
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|
time.sleep(1)
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|
def draw_music_lyric_panel(self):
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|
'''
|
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|
歌词所在的面板的控制
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|
:return:
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|
'''
|
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|
|
self.music_lyric_panel = wx.Panel(self, id=-1, pos=(400, 60), size=(self.width - 400, self.height - 160))
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|
# 获取歌词
|
|
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|
|
lyric_list = self.get_lyrics()
|
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|
# 展示歌词
|
|
|
|
|
|
for lyric_index in range(MAX_LYRIC_ROW):
|
|
|
|
|
|
if lyric_index < len(lyric_list):
|
|
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|
|
|
lyric = lyric_list[lyric_index]
|
|
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|
|
else:
|
|
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|
|
|
lyric = ""
|
|
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|
|
|
lyric_row = wx.StaticText(self.music_lyric_panel, -1, lyric, pos=(300, 30 * lyric_index + 10),
|
|
|
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|
|
size=(200, -1), style=wx.ALIGN_CENTER_HORIZONTAL)
|
|
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|
|
lyric_row.SetOwnForegroundColour((255, 255, 255))
|
|
|
|
|
|
self.lyrcis_static_text.append(lyric_row)
|
|
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|
|
def get_lyric_path(self):
|
|
|
|
|
|
current_music_path = self.get_path_by_name(self.local_music_name_list[self.current_music_index])
|
|
|
|
|
|
current_lyric_path = current_music_path.replace(".mp3", ".lrc")
|
|
|
|
|
|
if os.path.exists(current_lyric_path):
|
|
|
|
|
|
return current_lyric_path
|
|
|
|
|
|
|
|
|
|
|
|
else:
|
|
|
|
|
|
return None
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
|
|
app = wx.App()
|
|
|
|
|
|
frame = mainFrame()
|
|
|
|
|
|
frame.Show()
|
|
|
|
|
|
app.MainLoop()
|
|
|
|
|
|
wx.Exit()
|
|
|
|
|
|
|
