def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_BaiduMusicBox()
self.ui.setupUi(self)
# 读取配置文件 并初始化相关设置
self.rcfile = os.getcwd() + os.sep + 'BaiduMusicBox.rc_' + os.name
self.readConfig()
self.settingsInit()
# 用于标示lrc状态
self.lrcFlag = 1
# 用于标示downloadTreeWidgetItem的序号
self.seq = 0
# 用于存放选择下载的项目序号
self.indexList = []
# 相关信息初始化
self.suffix = []
self.title = []
self.artist = []
self.mp3filenames = []
# mp3对象
self.m_media = Phonon.MediaObject(self)
self.m_media.setTickInterval(1000) # 设置tickInterval为1000ms，默认是0
self.audioOutput = Phonon.AudioOutput(Phonon.MusicCategory,self)
Phonon.createPath(self.m_media, self.audioOutput)
self.m_media.aboutToFinish.connect(self.musicEnqueue)
self.m_media.currentSourceChanged.connect(self.musicActionPlay)
self.m_media.stateChanged.connect(self.musicStateChanged)
self.m_media.tick.connect(self.musicTick)
self.ui.seekSlider.setMediaObject(self.m_media)
self.ui.volumeSlider.setAudioOutput(self.audioOutput)
# 播放列表
self.playlistfile = os.getcwd() + os.sep + 'playlist_' + os.name
self.playlist = []
self.readPlaylist()
# 信号绑定：
self.ui.searchButton.clicked.connect(self.searchFunc)
self.ui.downloadButton.clicked.connect(self.downloadFunc)
self.ui.keywordEdit.returnPressed.connect(self.searchFunc)
self.ui.keywordEdit.textChanged.connect(self.enableButton)
self.ui.infoTreeWidget.itemDoubleClicked.connect(self.doubleClickSlot)
self.ui.musicTreeWidget.itemDoubleClicked.connect(self.setMediaSource)
self.ui.importAction.triggered.connect(self.importMusic)
self.ui.dirSettingsAction.triggered.connect(self.dirSettingsFunc)
self.ui.aboutAction.triggered.connect(self.aboutFunc)
self.ui.aboutQtAction.triggered.connect(self.aboutQtFunc)
# 每次点击infoTreeWidget调用一次checkAll,有待改进.
self.ui.infoTreeWidget.clicked.connect(self.checkAll)
self.ui.playButton.clicked.connect(self.musicActionPlay)
self.ui.pauseButton.clicked.connect(self.musicActionPause)
self.ui.stopButton.clicked.connect(self.musicActionStop)
self.ui.prevButton.clicked.connect(self.musicActionPrev)
self.ui.nextButton.clicked.connect(self.musicActionNext)
self.ui.defaultModeAction.triggered.connect(self.setDefaultMode)
self.ui.randomModeAction.triggered.connect(self.setRandomMode)
self.ui.singleModeAction.triggered.connect(self.setSingleMode)
self.ui.musicViewAction.triggered.connect(self.setMusicView)
self.ui.infoViewAction.triggered.connect(self.setInfoView)
self.ui.downViewAction.triggered.connect(self.setDownView)
self.ui.lyricViewAction.triggered.connect(self.setLyricView)
# keywordEdit相关特性设置
self.ui.keywordEdit.setDragEnabled(True)
# infoTreeWidget外观设置
self.ui.infoTreeWidget.setColumnWidth(0,80)
self.ui.infoTreeWidget.setColumnWidth(1,200)
self.ui.infoTreeWidget.setColumnWidth(2,160)
self.ui.musicTreeWidget.setColumnWidth(0,80)
self.ui.musicTreeWidget.setColumnWidth(1,160)
self.ui.musicTreeWidget.setColumnWidth(2,200)
# “搜索”、“下载”按钮默认禁用
self.ui.searchButton.setEnabled(False)
self.ui.downloadButton.setEnabled(False)
# 生成20个QTreeWidgetItem
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
class StartQT4(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_BaiduMusicBox()
self.ui.setupUi(self)
# 读取配置文件 并初始化相关设置
self.rcfile = os.getcwd() + os.sep + 'BaiduMusicBox.rc_' + os.name
self.readConfig()
self.settingsInit()
# 用于标示lrc状态
self.lrcFlag = 1
# 用于标示downloadTreeWidgetItem的序号
self.seq = 0
# 用于存放选择下载的项目序号
self.indexList = []
# 相关信息初始化
self.suffix = []
self.title = []
self.artist = []
self.mp3filenames = []
# mp3对象
self.m_media = Phonon.MediaObject(self)
self.m_media.setTickInterval(1000) # 设置tickInterval为1000ms，默认是0
self.audioOutput = Phonon.AudioOutput(Phonon.MusicCategory,self)
Phonon.createPath(self.m_media, self.audioOutput)
self.m_media.aboutToFinish.connect(self.musicEnqueue)
self.m_media.currentSourceChanged.connect(self.musicActionPlay)
self.m_media.stateChanged.connect(self.musicStateChanged)
self.m_media.tick.connect(self.musicTick)
self.ui.seekSlider.setMediaObject(self.m_media)
self.ui.volumeSlider.setAudioOutput(self.audioOutput)
# 播放列表
self.playlistfile = os.getcwd() + os.sep + 'playlist_' + os.name
self.playlist = []
self.readPlaylist()
# 信号绑定：
self.ui.searchButton.clicked.connect(self.searchFunc)
self.ui.downloadButton.clicked.connect(self.downloadFunc)
self.ui.keywordEdit.returnPressed.connect(self.searchFunc)
self.ui.keywordEdit.textChanged.connect(self.enableButton)
self.ui.infoTreeWidget.itemDoubleClicked.connect(self.doubleClickSlot)
self.ui.musicTreeWidget.itemDoubleClicked.connect(self.setMediaSource)
self.ui.importAction.triggered.connect(self.importMusic)
self.ui.dirSettingsAction.triggered.connect(self.dirSettingsFunc)
self.ui.aboutAction.triggered.connect(self.aboutFunc)
self.ui.aboutQtAction.triggered.connect(self.aboutQtFunc)
# 每次点击infoTreeWidget调用一次checkAll,有待改进.
self.ui.infoTreeWidget.clicked.connect(self.checkAll)
self.ui.playButton.clicked.connect(self.musicActionPlay)
self.ui.pauseButton.clicked.connect(self.musicActionPause)
self.ui.stopButton.clicked.connect(self.musicActionStop)
self.ui.prevButton.clicked.connect(self.musicActionPrev)
self.ui.nextButton.clicked.connect(self.musicActionNext)
self.ui.defaultModeAction.triggered.connect(self.setDefaultMode)
self.ui.randomModeAction.triggered.connect(self.setRandomMode)
self.ui.singleModeAction.triggered.connect(self.setSingleMode)
self.ui.musicViewAction.triggered.connect(self.setMusicView)
self.ui.infoViewAction.triggered.connect(self.setInfoView)
self.ui.downViewAction.triggered.connect(self.setDownView)
self.ui.lyricViewAction.triggered.connect(self.setLyricView)
# keywordEdit相关特性设置
self.ui.keywordEdit.setDragEnabled(True)
# infoTreeWidget外观设置
self.ui.infoTreeWidget.setColumnWidth(0,80)
self.ui.infoTreeWidget.setColumnWidth(1,200)
self.ui.infoTreeWidget.setColumnWidth(2,160)
self.ui.musicTreeWidget.setColumnWidth(0,80)
self.ui.musicTreeWidget.setColumnWidth(1,160)
self.ui.musicTreeWidget.setColumnWidth(2,200)
# “搜索”、“下载”按钮默认禁用
self.ui.searchButton.setEnabled(False)
self.ui.downloadButton.setEnabled(False)
# 生成20个QTreeWidgetItem
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
item_0 = QtGui.QTreeWidgetItem(self.ui.downloadTreeWidget)
def readConfig(self):
"""Read config file when started."""
self.mp3Location = ''
self.lrcLocation = ''
self.playMode = 0
if os.path.exists(self.rcfile):
f = open(self.rcfile)
lines = f.readlines()
f.close()
for line in lines:
# 过滤注释行
if line.startswith('#'):
continue
if line.find('mp3Location') != -1:
self.mp3Location = str(line.split('=')[1]).replace('\n','').decode('utf-8')
continue
elif line.find('lrcLocation') != -1:
self.lrcLocation = str(line.split('=')[1]).replace('\n','').decode('utf-8')
continue
elif line.find('playMode') != -1:
self.playMode = int(str(line.split('=')[1]).replace('\n',''))
del lines
if not self.mp3Location:
self.mp3Location = os.getcwd() + os.sep + 'Download'
if not self.lrcLocation:
self.lrcLocation = self.mp3Location + os.sep + 'lyrics'
def writeConfig(self):
"""Write options to default config file."""
if os.path.exists(self.rcfile):
f = open(self.rcfile)
lines = f.readlines()
f.close()
else:
lines = []
newConfig = []
if lines:
for line in lines:
# 过滤注释行
if line.find('mp3Location') != -1:
line = str('mp3Location=' + self.mp3Location).decode('utf-8')
elif line.find('lrcLocation') != -1:
line = str('lrcLocation=' + self.lrcLocation).decode('utf-8')
elif line.find('playMode') != -1:
line = str('playMode=' + str(self.playMode)).decode('utf-8')
if line:
newConfig.append(line)
newConfig = '\n'.join(newConfig)
else:
newConfig = str('mp3Location=' + self.mp3Location + '\n'
+ 'lrcLocation=' + self.lrcLocation + '\n'
+ 'playMode=' + str(self.playMode)).decode('utf-8')
f = open(self.rcfile,'w')
f.write(newConfig)
f.close()
del newConfig,lines
def settingsInit(self):
"""Initiate corresponding UI settings."""
if self.playMode == 0:
self.ui.defaultModeAction.setChecked(True)
elif self.playMode == 1:
self.ui.randomModeAction.setChecked(True)
elif self.playMode == 2:
self.ui.singleModeAction.setChecked(True)
def aboutFunc(self):
"""Pop aboutDialog when called."""
self.aboutDialog = aboutDialog(self)
self.aboutDialog.show()
# QtGui.QMessageBox.about(self,'PyQt','BaiduMusicBox(百度音乐盒)\n [email protected]'.decode('utf-8'))
def aboutQtFunc(self):
"""Pop about Qt MessageBox."""
QtGui.QMessageBox.aboutQt(self,'PyQt')
def dirSettingsFunc(self):
"""Pop dirSettingsDialog when called."""
self.dirSettingsDialog = dirSettingsDialog(self)
self.dirSettingsDialog.mp3Location = self.mp3Location
self.dirSettingsDialog.lrcLocation = self.lrcLocation
self.dirSettingsDialog.ui.mp3LocationEdit.setText(self.mp3Location)
self.dirSettingsDialog.ui.lrcLocationEdit.setText(self.lrcLocation)
self.dirSettingsDialog.exec_() # 使用exec_()会出现“段错误”
# self.dirSettingsDialog.show() # 使用show()不能改变相关变量
# 如果在dirSettingsDialog中的改变做了确认，则更新相关信息
if self.dirSettingsDialog.result() == 1:
self.mp3Location = self.dirSettingsDialog.mp3Location
self.lrcLocation = self.dirSettingsDialog.lrcLocation
self.writeConfig()
else:
return
def contextMenuEvent(self,event):
"""Pop menu when right button clicked."""
# 鼠标右键菜单
musicMenu = QtGui.QMenu(self)
downloadAction = musicMenu.addAction(u"下载".decode('utf-8'))
# currentPos = QtGui.QCursor.pos()
# 如果鼠标指针位置处是infoTreeWidget的一个item，则弹出菜单.
# 此处貌似不判断是哪个treeWidget?? 通过tabWidget.currentIndex判断当前处在哪个tab.
if self.ui.infoTreeWidget.itemAt(event.pos()) and self.ui.tabWidget.currentIndex() == 0:
## action = musicMenu.exec_(self.mapToGlobal(event.pos()))
#action = musicMenu.exec_(QtGui.QCursor.pos())
## if action == downloadAction:
## self.downloadFunc()
pass
elif self.ui.downloadTreeWidget.itemAt(event.pos()):
pass
def enableButton(self):
"""Enable searchButton when called."""
self.ui.searchButton.setEnabled(True)
def popMessage(self,title,text):
"""Used to pop different messages according to parameters given."""
OK = '确定'.decode('utf-8')
message = QtGui.QMessageBox(self)
message.setText(text.decode('utf-8'))
message.setWindowTitle(title.decode('utf-8'))
message.addButton(OK,QtGui.QMessageBox.AcceptRole)
message.exec_()
response = message.clickedButton().text()
if response == OK:
return 1
def generateText(self,filename,filestatus):
"""Generate text according to given argument and return."""
if filename:
filetitle = u"下载成功"
if filestatus == 10:
filetext = u"已经存在"
elif filestatus == 20:
filetext = u"下载成功"
else:
filetext = u"下载失败"
else:
filetitle = u"下载失败"
filetext = u"文件不存在"
filetext = str(filename + filetext)
return filetitle,filetext
def searchFunc(self):
"""Search keywords input by user and display search results."""
keywords = str(self.ui.keywordEdit.text()) # 若不做str转换，默认是Qstring对象，不可使用split()等方法
if keywords:
self.ui.searchButton.setEnabled(True)
if not keywords:
title = '悟空'
text = '你又顽皮了'
self.popMessage(title,text)
return
listUrl = baiduMusic.generateUrl(keywords)
if listUrl:
result = baiduMusic.generateList(listUrl)
try:
# 有搜索结果
seq,suffix,title,artist,album = result
except TypeError:
# 无网络连接时，自动退出程序
if str(result).isdigit():
if result == 10:
title = '网络错误'
text = '无法访问互联网，请检查网络连接'
res = self.popMessage(title,text)
if res == 1:
self.close()
return
# 网络通畅时，根据返回值做不同处理
# 没有搜到结果
elif result == 20:
title = '没有搜索结果'
text = '没有找到匹配结果，请修改关键词重试'
res = self.popMessage(title,text)
if res == 1:
self.ui.keywordEdit.setFocus()
self.ui.keywordEdit.selectAll()
return
self.ui.infoTreeWidget.clear()
# 切换到显示搜索结果的tab
self.ui.tabWidget.setCurrentIndex(1)
i = 0
for i in xrange(0,15):
a = QtGui.QTreeWidgetItem(self.ui.infoTreeWidget)
try:
a.setText(0,seq[i].decode('utf-8'))
a.setText(1,title[i].decode('utf-8'))
a.setText(2,artist[i].decode('utf-8'))
a.setText(3,album[i].decode('utf-8'))
# 设置checkbox
#a.setFlags(a.flags() & ~QtCore.Qt.ItemIsUserCheckable)
a.setCheckState(0,QtCore.Qt.Unchecked)
except:
a.setText(0,'')
a.setText(1,'')
a.setText(2,'')
a.setText(3,'')
a = QtGui.QTreeWidgetItem(self.ui.infoTreeWidget)
a.setText(1,'全选'.decode('utf-8'))
a.setCheckState(0,QtCore.Qt.Unchecked)
self.suffix = suffix
self.title = title
self.artist = artist
if self.suffix:
self.ui.downloadButton.setEnabled(True)
def reportHook(self,blocks_read,block_size,total_size,seq):
"""Display downloading progress."""
if not blocks_read:
print ("Connection opened from PyQt.")
if total_size < 0:
print "Read %d blocks" % blocks_read
else:
percentage = blocks_read*block_size * 100.0 / total_size
totalsize = total_size/(1024.0 * 1024.0)
text = "已完成: %.2f %%" % percentage
self.ui.downloadTreeWidget.topLevelItem(seq-1).setText(0,str(seq).decode('utf-8'))
self.ui.downloadTreeWidget.topLevelItem(seq-1).setText(1,str(self.mp3filenames[seq-1]).decode('utf-8'))
self.ui.downloadTreeWidget.topLevelItem(seq-1).setText(2,str(self.mp3Location).decode('utf-8'))
self.ui.downloadTreeWidget.topLevelItem(seq-1).setText(3,str('%.2f MB' % totalsize).decode('utf-8'))
self.ui.downloadTreeWidget.topLevelItem(seq-1).setText(6,str(text).decode('utf-8'))
time.sleep(1)
def checkAll(self):
"""Change all items' checkstat when 全选 checkbox changes."""
# 0: QtCore.Qt.Unchecked
# 1: 方块选中
# 2: QtCore.Qt.Checked
num = self.ui.infoTreeWidget.indexOfTopLevelItem(self.ui.infoTreeWidget.currentItem())
if num == 15:
if self.ui.infoTreeWidget.topLevelItem(15).checkState(0) == 2:
state = 2
else:
state = 0
else:
return
i = 0
for i in xrange(0,15):
if self.ui.infoTreeWidget.topLevelItem(i).text(0):
self.ui.infoTreeWidget.topLevelItem(i).setCheckState(0,state)
def downloadFunc(self):
"""Download mp3 and lrc files."""
it = QtGui.QTreeWidgetItemIterator(self.ui.infoTreeWidget)
temp = [] # 存放重复添加的任务
while it:
try:
if it.value().checkState(0):
v = int(it.value().text(0))-1
if v not in self.indexList:
# 任务不存在
if len(self.indexList) < 20:
self.indexList.append(v)
else:
self.popMessage("任务太多","任务数超过20，请稍后再添加!")
break
else:
# 任务已经存在
self.indexList.remove(v)
temp.append(v)
self.popMessage('任务已存在','"%s"已在下载列表中' % self.title[v])
it += 1
except:
break
# 执行选中的下载任务
for i in self.indexList:
self.downloadFile(i)
time.sleep(0.1)
for e in temp: # 将重复添加的任务和新近添加的任务序号合并，代表所有正在运行的任务序号列表.
self.indexList.append(e)
def doubleClickSlot(self):
"""Called when infoTreeWidgetItem doubleClicked."""
num = self.ui.infoTreeWidget.indexOfTopLevelItem(self.ui.infoTreeWidget.currentItem())
if num == 15:
return
if num not in self.indexList:
self.indexList.append(num)
self.downloadFile(num)
def downloadFile(self,i):
"""Implementation of downloadin function."""
# 切换到显示搜索结果的tab
self.ui.tabWidget.setCurrentIndex(2)
# 获取downloadThread的序号
self.seq += 1
name = self.title[i] + '-' + self.artist[i] + '.mp3'
self.mp3filenames.append(name)
self.data = ('http://music.baidu.com' + self.suffix[i],self.title[i],self.artist[i])
self.thread = downloadThread(self,(self.data[0],self.data[1],self.data[2],self.mp3Location,self.lrcLocation,self.reportHook,self.seq))
self.thread.finished.connect(self.downloadFinished)
self.thread.start()
def downloadFinished(self):
mp3name,mp3status = self.thread.mp3name,self.thread.mp3status
lrcname,lrcstatus = self.thread.lrcname,self.thread.lrcstatus
mp3title,mp3text = self.generateText(mp3name,mp3status)
# 如果已经存在，那么显示下载信息的item序号减1，以免显示空行
if mp3status == 10:
self.seq -= 1
lrctitle,lrctext = self.generateText(lrcname,lrcstatus)
text = mp3text + '\n' + lrctext
if mp3title == lrctitle and mp3title == u"下载成功":
title = mp3title
else:
title = u"下载失败"
res = self.popMessage(title,text)
if res == 1:
self.ui.keywordEdit.setFocus()
self.ui.keywordEdit.selectAll()
return
def formatTime(self,time):
"""Format integer miliseconds into MM:SS type."""
if time:
secs = int(time/1000%60)
mins = int(time/1000/60)
if 0 <= mins < 10:
mins = '0' + str(mins)
if 0 <= secs< 10:
secs = '0' + str(secs)
return str(mins) + ':' + str(secs)
else:
return '00:00'
def musicTick(self):
"""Show current time of music."""
text = self.formatTime(self.m_media.currentTime()) + "/" + self.formatTime(self.m_media.totalTime())
self.ui.musicLabel.setText(text)
self.showLyric()
def musicActionPlay(self):
"""Start play music."""
# 重置lrcFlag
self.lrcFlag = 1
# 如果没有currentSource().fileName()，那么先设置
if not self.m_media.currentSource().fileName():
self.setMediaSource()
# 此处currentSourceChanged()信号，再次执行本函数
# 信号stateChanged(),槽 self.musicStateChanged()
return
# 将当前播放曲目置为currentItem
currentIndex = self.getCurrentSourceIndex()
self.ui.musicTreeWidget.setCurrentItem(self.ui.musicTreeWidget.topLevelItem(currentIndex))
# 更新Cover Image
self.showCover()
# 若之前不是暂停状态，将lyricBrowser清空
if self.m_media.state() != 4:
self.ui.lyricBrowser.setText('')
if self.m_media.state() == 2:
return
self.m_media.play()
def musicActionPause(self):
"""Pause playing."""
self.m_media.pause()
def musicActionStop(self):
"""Pause playing."""
self.m_media.stop()
def musicActionPrev(self):
"""Play previous music file in playlist."""
currentIndex = self.getCurrentSourceIndex()
if self.playMode == 0:
if currentIndex != 0:
prevIndex = currentIndex - 1
else:
prevIndex = len(self.playlist) - 1
elif self.playMode == 1:
import random
prevIndex = random.randint(0,len(self.playlist)-1)
else:
prevIndex = currentIndex
previousFile = self.playlist[prevIndex]
self.m_media.setCurrentSource(Phonon.MediaSource(previousFile))
def musicActionNext(self):
"""Play next music file in playlist."""
currentIndex = self.getCurrentSourceIndex()
if self.playMode == 0:
if currentIndex != len(self.playlist) - 1:
nextIndex = currentIndex + 1
else:
nextIndex = 0
elif self.playMode == 1:
import random
nextIndex = random.randint(0,len(self.playlist))
else:
nextIndex = currentIndex
nextFile = self.playlist[nextIndex]
self.m_media.setCurrentSource(Phonon.MediaSource(nextFile))
def musicStateChanged(self):
"""When music state changed,change playbutton text accordingly."""
# Phonon.State:
# Phonon.LoadingState: 0
# Phonon.StoppedState: 1
# Phonon.PlayingState: 2
# Phonon.BufferingState: 3
# Phonon.PausedState: 4
# Phonon.ErrorState: 5
currentState = self.m_media.state()
if currentState == 2:
self.ui.pauseButton.setEnabled(True)
self.ui.stopButton.setEnabled(True)
self.ui.playButton.setEnabled(False)
elif currentState == 4:
self.ui.pauseButton.setEnabled(False)
self.ui.playButton.setEnabled(True)
elif currentState == 1:
self.ui.stopButton.setEnabled(False)
self.ui.pauseButton.setEnabled(False)
self.ui.playButton.setEnabled(True)
else:
self.ui.playButton.setEnabled(True)
self.ui.stopButton.setEnabled(False)
self.ui.pauseButton.setEnabled(False)
def getCurrentSourceIndex(self):
"""Get current playing music file index."""
# self.m_media.currentSource().fileName()返回格式:
# C:/xxx/xxx.mp3
currentSourceFile = str(self.m_media.currentSource().fileName().split('/')[-1])
for elem in self.playlist:
if elem.find(currentSourceFile) != -1:
indexOfCurrent = self.playlist.index(elem)
break
if not indexOfCurrent:
indexOfCurrent = 0
return indexOfCurrent
def setMediaSource(self):
"""Set music source when called."""
if not self.ui.musicTreeWidget.currentItem():
self.ui.musicTreeWidget.setCurrentItem(self.ui.musicTreeWidget.topLevelItem(0))
try:
currentTitle = self.ui.musicTreeWidget.currentItem().text(1)
except AttributeError:
QtGui.QMessageBox.critical(self,'PyQt','当前列表为空！请先导入文件.'.decode('utf-8'))
return
f = open(self.playlistfile,'r+')
for line in f:
if line.find(currentTitle) != -1:
filename = line.replace('\n','').decode('utf-8')
break
self.m_media.setCurrentSource(Phonon.MediaSource(filename))
def musicEnqueue(self):
"""Control m_media object queue."""
currentIndex = self.getCurrentSourceIndex()
if self.playMode == 0:
if currentIndex != len(self.playlist) - 1:
nextIndex = currentIndex + 1
else:
nextIndex = 0
elif self.playMode == 1:
import random
nextIndex = random.randint(0,len(self.playlist))
else:
nextIndex = currentIndex
nextFile = self.playlist[nextIndex]
self.m_media.enqueue(Phonon.MediaSource(str(nextFile).decode('utf-8')))
def getMusicInfo(self,filename,sep=''):
"""Get music information."""
import id3reader
if not sep:
sep = self.systemSep()
try:
id3r = id3reader.Reader(str(filename).decode('utf-8'))
except:
id3r = ''
# id3r.getValue(key)
# Available keys:
# album,performer,title,track,year
if id3r:
title = id3r.getValue('title')
if not title:
title = filename.split(sep)[-1]
artist = id3r.getValue('performer')
album = id3r.getValue('album')
return title, artist, album
def systemSep(self):
"""Return seperator according to system type."""
if os.name == 'nt':
sep = '\\'
else:
sep = '/'
return sep
def importMusic(self):
"""Import music files from local hard disk."""
fd = QtGui.QFileDialog(self)
# 添加filter，没效果？
fd.setNameFilter("*.mp3")
# FileMode:
# QtGui.QFileDialog.AnyFile: 0
# QtGui.QFileDialog.ExistingFile: 1
# QtGui.QFileDialog.Directory: 2
# QtGui.QFileDialog.ExistingFiles: 3
fd.setFileMode(3)
# Entering playlist
if os.path.exists(self.playlistfile):
f = open(self.playlistfile,'r+')
f.seek(0,2)
else:
f = open(self.playlistfile,'w')
len1 = len(self.playlist)
for filename in fd.getOpenFileNames():
filename = str(filename)
self.playlist.append(filename)
f.write('\n' + filename)
a = QtGui.QTreeWidgetItem(self.ui.musicTreeWidget)
(title,artist,album) = self.getMusicInfo(filename)
a.setText(0,str(len(self.playlist)).decode('utf-8'))
a.setText(1,str(title).decode('utf-8'))
a.setText(2,str(artist).decode('utf-8'))
a.setText(3,str(album).decode('utf-8'))
f.close()
# import成功后，弹出提示信息
len2 = len(self.playlist)
newAddedLength = len2 - len1
if newAddedLength:
QtGui.QMessageBox.information(self,'添加歌曲成功'.decode('utf-8'),
str('新增 %d 首音乐'%(newAddedLength)).decode('utf-8'))
def displayPlaylist(self):
"""Display music list in music tab."""
if not self.playlist:
return
i = 1
for item in self.playlist:
a = QtGui.QTreeWidgetItem(self.ui.musicTreeWidget)
(title,artist,album) = self.getMusicInfo(item)
a.setText(0,str(i).decode('utf-8'))
a.setText(1,str(title).decode('utf-8'))
a.setText(2,str(artist).decode('utf-8'))
a.setText(3,str(album).decode('utf-8'))
i += 1
def readPlaylist(self):
"""Read playlist function."""
if not os.path.exists(self.playlistfile):
return
else:
f = open(self.playlistfile,'r')
for line in f:
if line != '\n':
if os.path.exists(line.replace('\n','').decode('utf-8')):
self.playlist.append(line.replace('\n','').decode('utf-8'))
f.close()
self.displayPlaylist()
def setDefaultMode(self):
"""Set default playing mode."""
self.playMode = 0
self.ui.defaultModeAction.setChecked(True)
self.ui.randomModeAction.setChecked(False)
self.ui.singleModeAction.setChecked(False)
self.writeConfig()
def setRandomMode(self):
"""Set random playing mode."""
self.playMode = 1
self.ui.defaultModeAction.setChecked(False)
self.ui.randomModeAction.setChecked(True)
self.ui.singleModeAction.setChecked(False)
self.writeConfig()
def setSingleMode(self):
"""Set single cycling mode."""
self.playMode = 2
self.ui.defaultModeAction.setChecked(False)
self.ui.randomModeAction.setChecked(False)
self.ui.singleModeAction.setChecked(True)
self.writeConfig()
def setMusicView(self):
"""Set musicView checked."""
self.setView('music')
def setInfoView(self):
"""Set infoView checked."""
self.setView('info')
def setDownView(self):
"""Set downView checked."""
self.setView('download')
def setLyricView(self):
"""Set lyricView checked."""
self.setView('lyric')
def setView(self,viewName):
"""Set current view."""
flagDict = {}
words = ['music','info','download','lyric']
for word in words:
if word == viewName:
flagDict[word] = 1
else:
flagDict[word] = 0
self.ui.tabWidget.setCurrentIndex(words.index(viewName))
self.ui.musicViewAction.setChecked(flagDict['music'])
self.ui.infoViewAction.setChecked(flagDict['info'])
self.ui.downViewAction.setChecked(flagDict['download'])
self.ui.lyricViewAction.setChecked(flagDict['lyric'])
def showLyric(self):
"""Display lyric according to music been played."""
currentIndex = self.getCurrentSourceIndex()
currentFile = self.playlist[currentIndex]
if not self.lrcFlag:
return
(title,artist,album) = self.getMusicInfo(currentFile)
currentLrc = self.lrcLocation + os.sep + title + '-' + artist + '.lrc'
if not os.path.exists(currentLrc):
self.ui.lyricBrowser.append("歌词不存在".decode('utf-8'))
keyword = title + ' ' + artist
self.downloadLyric(keyword)
# 下载失败，则返回
if not os.path.exists(currentLrc):
self.lrcFlag = 0
return
f = open(currentLrc)
lines = f.readlines()
f.close()
timeTag = self.formatTime(self.m_media.currentTime())
for line in lines:
if line.find(timeTag) != -1:
#self.ui.lyricBrowser.append(re.sub('\[.*?\]','',line.decode('utf-8')))
self.ui.lyricBrowser.append(line.split(']')[-1].decode('utf-8'))
# for linux and libvlc only
#time.sleep(1)
def showCover(self):
"""Show cover image."""
currentIndex = self.getCurrentSourceIndex()
currentFile = self.playlist[currentIndex]
album = self.getMusicInfo(currentFile)[2]
if not album:
albumFullPath = os.getcwd() + os.sep + 'Download' + os.sep + 'Covers' + os.sep + 'Default' + '.jpg'
else:
self.coverLocation = self.mp3Location + os.sep + 'Covers'
albumFullPath = self.coverLocation + os.sep + album + '.jpg'
if not os.path.exists(albumFullPath):
self.downloadCoverImg(album)
# 如果下载失败
if not os.path.exists(albumFullPath):
albumFullPath = os.getcwd() + os.sep + 'Download' + os.sep + 'Covers' + os.sep + 'Default' + '.jpg'
if os.path.exists(albumFullPath):
self.ui.coverPixmap.load(albumFullPath)
self.ui.coverPixmap = self.ui.coverPixmap.scaledToHeight(230)
self.ui.scene.addPixmap(self.ui.coverPixmap)
self.ui.coverView.setScene(self.ui.scene)
def downloadCoverImg(self,album):
"""Download cover images."""
return baiduMusic.downloadCoverImg(album,self.coverLocation)
def downloadLyric(self,keyword):
"""Download lyric when necessary."""
listUrl = baiduMusic.generateUrl(keyword)
if listUrl:
try:
templst = baiduMusic.generateList(listUrl)[1:4]
suffix,title,artist = templst[0][0],templst[1][0],templst[2][0]
mp3Url = 'http://music.baidu.com/' + suffix
baiduMusic.downloadLrcFile(mp3Url,title,artist,self.lrcLocation)
except:
pass
