diff --git a/music.py b/music.py new file mode 100644 index 0000000..b3d3eb7 --- /dev/null +++ b/music.py @@ -0,0 +1,354 @@ +import wx +import urllib.request +import pygame +import os +import re +import time +from threading import Thread +import math +import datetime + +APP_TITLE = u'音乐播放器' +MAX_LYRIC_ROW = 15 +LYRIC_ROW_REG = '\[[0-9]{2}:[0-9]{2}.[0-9]{2,}\]' +MAX_MUSIC_NAME_LEN = 18 + + +class mainFrame(wx.Frame): + '''程序主窗口类，继承自wx.Frame''' + + def __init__(self): + '''构造函数''' + # 播放器的整体属性 + self.width = 1280 + self.height = 720 + self.volume = 0 + self.local_music_folder = "music_folder" + wx.Frame.__init__(self, None, -1, APP_TITLE) + self.SetSize(self.width, self.height) + self.SetBackgroundColour((200,200,200)) # 设置界面的背景颜色 + + # 音乐列表有关 + self.local_music_name_list = [] # 当前音乐名字列表 + self.lyrcis_static_text = [] # 当前播放的音乐的歌词列表 + self.play_stop_button = None # 播放、暂停按钮 + self.current_music_state = 0 # 是否有音乐在播放，0表示否 + self.current_music_index = 0 # 当前音乐的索引 + + # 初始化本地歌曲列表 + self.get_local_music_list() + self.current_music_static_text = None # 当前播放的音乐的名字 + + # 按钮使用的图片 + self.play_bmp = wx.Image("resource/播放.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() + self.stop_bmp = wx.Image("resource/暂停.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() + + # 导航栏所在的panel + self.navi_panel = None + self.draw_navi_panel() + + # 歌曲列表所在的panel + self.music_list_panel = None + self.draw_music_list_panel() + + # 播放部分所在的panel + self.play_music_panel = None + self.draw_play_music_panel() + # 歌词部分所在的panel + self.music_lyric_panel = None + self.draw_music_lyric_panel() + + # 下载音乐面板 + self.down_music_panel = None + self.input_url_text_ctrl = None # 输入的下载路径 + self.down_button = None # 下载按钮 + self.draw_down_music_panel() + + pygame.mixer.init() + self.music = pygame.mixer.music + self.SONG_FINISHED = pygame.USEREVENT + 1 + + def get_path_by_name(self, file_name): + ''' + 通过名称获取音乐的完整路径 + :return: + ''' + return os.path.join(self.local_music_folder, file_name) + + + def get_local_music_list(self): + ''' + 获取本地音乐列表 + :return: + ''' + self.local_music_name_list.clear() # 这一步必须有 + for local_music_file_name in os.listdir(self.local_music_folder): + if local_music_file_name.endswith(".mp3"): + self.local_music_name_list.append(local_music_file_name) + + def draw_navi_panel(self): + # 导航栏所在的panel + self.navi_panel = wx.Panel(self, id=-1, pos=(0, 0), size=(100, self.height - 100)) + # 本地音乐 + local_music_text = wx.StaticText(self.navi_panel, -1, "本地音乐", pos=(20, 20), style=wx.ALIGN_LEFT) + local_music_text.SetOwnForegroundColour((0, 0, 0)) + + def draw_music_list_panel(self): + + # 重新计算本地音乐列表 + self.get_local_music_list() + # 绘制面板整体 + if self.music_list_panel is not None: + self.music_list_panel.Destroy() + self.music_list_panel = wx.Panel(self, id=-1, pos=(100, 0), size=(300, self.height - 100)) + # 音乐列表 + local_music_num = len(self.local_music_name_list) + for music_index in range(local_music_num): + music_full_name = self.local_music_name_list[music_index].replace(".mp3", "") + if len(music_full_name) > MAX_MUSIC_NAME_LEN: + music_full_name = music_full_name[0:MAX_MUSIC_NAME_LEN] + "..." + music_text = wx.StaticText(self.music_list_panel, -1, music_full_name, + pos=(0, music_index * 40 + 20), size=(270, 30), style=wx.ALIGN_RIGHT) + music_text.SetOwnForegroundColour((0,0,0)) + music_text.Refresh() # 这句话不能少 + play_button = wx.BitmapButton(self.music_list_panel, -1, self.play_bmp, pos=(280, music_index * 40 + 20), + size=(20, 20)) + play_button.Bind(wx.EVT_LEFT_DOWN, lambda e, index=music_index: self.play_index_music(index)) + + def draw_play_music_panel(self): + # 播放音乐所在的panel + self.play_music_panel = wx.Panel(self, id=-1, pos=(0, self.height - 100), size=(self.width, 100)) + # 歌的名字 + self.current_music_static_text = wx.StaticText(self.play_music_panel, -1, "请选择歌曲", + pos=(100, 15), size=(200, 30), style=wx.ALIGN_RIGHT) + self.current_music_static_text.SetOwnForegroundColour((0,0,0)) + last_music_bpm = wx.Image("resource/上一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() + next_music_bpm = wx.Image("resource/下一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() + + last_music_button = wx.BitmapButton(self.play_music_panel, -1, last_music_bpm, pos=(340, 15), size=(30, 30)) + self.play_stop_button = wx.BitmapButton(self.play_music_panel, -1, self.play_bmp, pos=(380, 15), size=(30, 30)) + next_music_button = wx.BitmapButton(self.play_music_panel, -1, next_music_bpm, pos=(420, 15), size=(30, 30)) + # 调节音量的按钮 + volume_slider = wx.Slider(self.play_music_panel, -1, 50, 0, 100, pos=(500, 15), size=(570, -1), style=wx.SL_HORIZONTAL) + + # 上述按钮的监听器 + last_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_last_music) + self.play_stop_button.Bind(wx.EVT_LEFT_DOWN, self.play_stop_music) + next_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_next_music) + volume_slider.Bind(wx.EVT_SLIDER, self.change_volume) + + + + def draw_down_music_panel(self): + ''' + 下载音乐所在的面板 + :return: + ''' + self.down_music_panel = wx.Panel(self, id=-1, pos=(400, 0), size=(self.width - 400, 60)) + # 下载地址输入框 + 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)) + #self.input_url_text_ctrl.SetOwnBackgroundColour((63, 63, 63)) + # 绘制下载图标 + down_bmp = wx.Image("resource/下载.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() + self.down_button = wx.BitmapButton(self.down_music_panel, -1, down_bmp, pos=(700, 20), size=(30, 30)) + # 监听下载图标按钮的鼠标点击事件 + self.down_button.Bind(wx.EVT_LEFT_DOWN, self.download_music) + + + + def play_music(self): + ''' + 重新载入，播放音乐 + :return: + ''' + current_music_path = self.get_path_by_name(self.local_music_name_list[self.current_music_index]) + self.music.load(current_music_path) + pygame.mixer.init()#pygame模块初始化 + my_music = pygame.mixer.music + playing_time =my_music.get_pos() + print(playing_time) + # step1：播放音乐 + self.music.play(loops=1, start=0.0) + + # 更改当前播放的音乐的名字 + current_music_name = self.local_music_name_list[self.current_music_index].replace(".mp3", "") + if len(current_music_name) > MAX_MUSIC_NAME_LEN: + current_music_name = current_music_name[0:MAX_MUSIC_NAME_LEN] + "..." + self.current_music_static_text.SetLabelText(current_music_name) + # step6：开启新线程，追踪歌词 + self.display_lyric() + + def play_index_music(self, music_index): + ''' + 播放指定索引的音乐 + :return: + ''' + self.current_music_index = music_index + # 载入音乐 + self.play_music() + + def play_stop_music(self, evt): + 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 + if 1 == self.current_music_state: + print("有音乐在播放，需要暂停") + self.music.pause() + self.current_music_state = 0 + self.IsPaused = True + self.play_stop_button.SetBitmap(self.play_bmp) + + else: # 恢复暂停的音乐 + self.music.unpause() + self.current_music_state = 1 + self.IsPaused = False + self.play_stop_button.SetBitmap(self.stop_bmp) + else: # 重新载入音乐 + self.play_music() + + def play_last_music(self, evt): + # 计算上一首音乐的名字和路径 + if self.current_music_index > 0: + self.play_index_music(self.current_music_index - 1) + else: + self.play_index_music(0) + + def play_next_music(self, evt): + # 计算下一首音乐的名字和路径 + if self.current_music_index < len(self.local_music_name_list) - 1: + self.play_index_music(self.current_music_index + 1) + else: + self.play_index_music(len(self.local_music_name_list) - 1) + + def change_volume(self, evt): + ''' + 修改音量 + :param evt: + :return: + ''' + obj = evt.GetEventObject() + val = obj.GetValue() + self.volume = float(val / 100) + self.music.set_volume(self.volume) + + + def download_music(self, evt): + ''' + 下载音乐 + :param evt: + :return: + ''' + # 获取文本框中输入的下载地址 + music_down_url = self.input_url_text_ctrl.GetValue() + # 给下载的音乐在本地确定一个存储地址 + down_music_path = os.path.join(self.local_music_folder, datetime.datetime.now().strftime('%Y-%m-%d-%H-%M-%S') + ".mp3") + before_music_name = self.local_music_name_list[self.current_music_index] + # 开始下载 + urllib.request.urlretrieve(music_down_url, down_music_path) + # 下载完成后，重新绘制音乐列表面板 + self.draw_music_list_panel() + # 调整当前音乐的索引 + for index in range(len(self.local_music_name_list)): + if before_music_name == self.local_music_name_list[index]: + self.current_music_index = index + + def get_lyrics(self): + ''' + 读取歌词，不带时间标记 + :param lyrics_file_path: + :return: + ''' + # 获取当前播放的音乐的歌词的完整路径 + current_lyric_path = self.get_lyric_path() + if current_lyric_path is None or not os.path.exists(current_lyric_path): + return ["纯音乐或暂无歌词"] + # 打开歌词文件，读取其中的内容 + with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer: + content_list = file_pointer.readlines() + # 用一个list记录歌词 + lyrics_list = [] + # 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 + # 不方便我们进行歌词的追踪 + for content in content_list: + # 用一个正则表达式过滤出歌词部分 + if re.match(LYRIC_ROW_REG, content): + lyric_clause = content.replace('\n', '')[10:] + lyrics_list.append(lyric_clause) + return lyrics_list + + def display_lyric(self): + lyric_refersh_thread = Thread(target=self.refersh_lyrics) + lyric_refersh_thread.start() + + def parse_lyrics(self): + current_lyric_path = self.get_lyric_path() + if current_lyric_path is None: + content_list = ["[00:00.00]暂无歌词"] + else: + # 读文件内容 + with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer: + content_list = file_pointer.readlines() + lyrics_list = [] + for content in content_list: + if re.match(LYRIC_ROW_REG, content): + time_lyric = dict() + start_time = float(content[1:3]) * 60 + float(content[4:6]) + float(content[7:9]) / 100 + index_of_right_blank = content.index(']') + time_lyric[start_time] = content.replace('\n', '')[index_of_right_blank + 1:] + lyrics_list.append(time_lyric) + return lyrics_list + + def refersh_lyrics(self): + ''' + 刷新歌词子线程 + :return: + ''' + lyrics_time_dict_list = self.parse_lyrics() + relative_start_index = 0 # 相对起始歌词索引 + while self.music.get_busy(): # 播放中 + current_time = float(self.music.get_pos() / 1000) + for lyric_index, lyrics_time_dict in enumerate(lyrics_time_dict_list): + lyric_time = list(lyrics_time_dict.keys())[0] + if math.fabs(lyric_time - current_time) < 0.7: + # 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 + if lyric_index > 0 and lyric_index % MAX_LYRIC_ROW == 0: + relative_start_index = lyric_index + self.redraw_music_lyric_panel(start_index=relative_start_index) + self.lyrcis_static_text[lyric_index - relative_start_index].SetOwnForegroundColour((227, 62, 51)) + # 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） + self.lyrcis_static_text[lyric_index - relative_start_index].Refresh() + break + time.sleep(1) + def draw_music_lyric_panel(self): + ''' + 歌词所在的面板的控制 + :return: + ''' + self.music_lyric_panel = wx.Panel(self, id=-1, pos=(400, 60), size=(self.width - 400, self.height - 160)) + + # 获取歌词 + lyric_list = self.get_lyrics() + # 展示歌词 + for lyric_index in range(MAX_LYRIC_ROW): + if lyric_index < len(lyric_list): + lyric = lyric_list[lyric_index] + else: + lyric = "" + lyric_row = wx.StaticText(self.music_lyric_panel, -1, lyric, pos=(300, 30 * lyric_index + 10), + size=(200, -1), style=wx.ALIGN_CENTER_HORIZONTAL) + lyric_row.SetOwnForegroundColour((255, 255, 255)) + self.lyrcis_static_text.append(lyric_row) + 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() +