#-*- coding:utf-8 -*-
#*******************************************************************
#*******************************************************************
#*************************导入模块***********************************
#*******************************************************************
#*******************************************************************
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import shutil
import sys
import random
import os
import json
from multiprocessing import Process
import subprocess
reload(sys)
sys.setdefaultencoding("utf-8")
ffpmpegRoot=os.path.abspath(os.path.dirname(__file__)).replace('\\','/')
ffmpeg=ffpmpegRoot+"/ffmpeg/bin/ffmpeg.exe"
ffplay=ffpmpegRoot+"/ffmpeg/bin/ffplay.exe"
ffprobe=ffpmpegRoot+"/ffmpeg/bin/ffprobe=.exe"
#*******************************************************************
#*******************************************************************
#***************************布局类**********************************
#*******************************************************************
#*******************************************************************
class graphicsView(QGraphicsView):
def __init__(self,parent=None):
super(graphicsView,self).__init__(parent)
self.image=""
QObject.connect(self, SIGNAL('mousePressEvent()'),self.mousePressEvent)
#*******************************************************************
#*******************************************************************
#***************************拖拽类**********************************
#*******************************************************************
#*******************************************************************
class MyLineEdit(QLineEdit):
def __init__( self, parent=None ):
super(MyLineEdit, self).__init__(parent)
#self.setDragEnabled(True)
pass
def dragEnterEvent( self, event ):
data = event.mimeData()
urls = data.urls()
if ( urls and urls[0].scheme() == 'file' ):
event.acceptProposedAction()
def dragMoveEvent( self, event ):
data = event.mimeData()
urls = data.urls()
if ( urls and urls[0].scheme() == 'file' ):
event.acceptProposedAction()
def dropEvent( self, event ):
data = event.mimeData()
urls = data.urls()
if ( urls and urls[0].scheme() == 'file' ):
filepath = str(urls[0].path())[1:]
filepath=filepath.decode('utf-8')
self.setText(filepath)
class Jindu_gui(QLabel):
def __init__(self, data,parent=None ):
super(Jindu_gui,self).__init__(parent)
self.setWindowTitle(u"进度")
self.setWindowModality(Qt.WindowModal)
self.setWindowFlags(Qt.WindowStaysOnTopHint)
self.resize(200, 150)
self.setText(data)
#*******************************************************************
#*******************************************************************
#***************************功能类**********************************
#*******************************************************************
#*******************************************************************
class bilibili_gui(QWidget):
def __init__(self):
super(bilibili_gui,self).__init__()
#self.setWindowFlags(Qt.Window)
self.setWindowTitle(u"Vedio Download")
self.initUI()
self.p=None
def initUI(self):
#人员信息统计并从空添加，使用列表即可。
#self._tree=Treeview()
#self._list=Listview()
down_address=QLabel(u'输入下载地址：')
self.down_address=QLineEdit()
analyze=QPushButton(u"记录")
del_data=QPushButton(u"删除")
self._tree=graphicsView(self)
save_adrss=QLabel(u'下载位置：')
self.save_address=MyLineEdit()
self.save_adrss_look=QPushButton(u"==>：")
start_down=QPushButton(u"下载视频")
open_video =QPushButton(u"缓存位置")
file_name=QLabel(u'视频名称：')
self.file_name=QComboBox()
self.file_name.setEditable(True)
time_pos=QLabel(u"进度")
self.time_pos=QLineEdit(u"0")
self.pbar = QProgressBar()
self.timer = QTimer(self)
self._jindu=Jindu_gui(u"请等待......")
#print dir(self.pbar)
#groupNameData.setFrameStyle(QFrame.Panel|QFrame.Sunken)
laty_1=QHBoxLayout()
laty_1.addWidget(down_address)
laty_1.addWidget(self.down_address)
laty_1.addWidget(analyze)
laty_1.addWidget(del_data)
laty_2=QHBoxLayout()
laty_2.addWidget(self._tree)
laty_3=QHBoxLayout()
laty_3.addWidget(save_adrss)
laty_3.addWidget(self.save_address)
laty_3.addWidget(self.save_adrss_look)
laty_4=QHBoxLayout()
laty_4.addWidget(file_name,1)
laty_4.addWidget(self.file_name,7)
laty_4.addWidget(time_pos,1)
laty_4.addWidget(self.pbar ,2)
laty_5=QHBoxLayout()
laty_5.addWidget(start_down)
laty_5.addWidget(open_video)
all_lay=QVBoxLayout()
all_lay.addLayout(laty_1)
all_lay.addLayout(laty_2)
all_lay.addLayout(laty_3)
all_lay.addLayout(laty_4)
all_lay.addLayout(laty_5)
self.setLayout(all_lay)
self.infoBox = QMessageBox(self)
self.resize(500,650)
del_data.clicked.connect(self.delMemory)
self.save_adrss_look.clicked.connect(self.saveAdrss)
start_down.clicked.connect(self.startDownload)
open_video.clicked.connect(self.openVideo)
analyze.clicked.connect(self.setMemory)
self.file_name.currentIndexChanged.connect(self.setData)
self.timer.timeout.connect(self.printText)
self.timer.timeout.connect(self.message)
self.show()
def delMemory(self):
dict_name=str(self.file_name.currentText()).decode("utf-8")
if str(self.down_address.text())!="" and str(self.file_name.currentText())!="":
with open(ffpmpegRoot+"/cache/histy.part","r") as file:
memory_dict= json.loads(file.read())
try:
memory_dict.pop(dict_name)
with open(ffpmpegRoot+"/cache/histy.part","w") as file:
json.dump(memory_dict,file,sort_keys=True,indent=4)
self.file_name.removeItem(self.file_name.currentIndex())
QMessageBox.information(self,u"提示", u"删除成功！")
except:
pass
else:
QMessageBox.information(self,u"提示", u"不存在该信息！")
def setMemory(self):
data="cache/image.png"
memory_list=[]
memory_dict={}
if str(self.down_address.text())!="":
if not os.path.exists(ffpmpegRoot+"/cache/histy.part"):
memory_list.append(str(self.down_address.text()))
memory_list.append(str(self.save_address.text()))
memory_dict[str(self.file_name.currentText())]=memory_list#根据视频名称切换储存信息。
self.loadImage(data)
with open(ffpmpegRoot+"/cache/histy.part","w") as file:
json.dump(memory_dict,file,sort_keys=True,indent=4)
else:
with open(ffpmpegRoot+"/cache/histy.part") as file:
memory_dict= json.loads(file.read())
file_keys=memory_dict.keys()
if str(self.down_address.text())=="":
QMessageBox.information(self,u"提示", u"请填写下载地址！")
return
else:
memory_list.append(str(self.down_address.text()))
if str(self.save_address.text())=="":
QMessageBox.information(self,u"提示", u"请填写储存地址！")
return
else:
memory_list.append(str(self.save_address.text()))
if str(self.file_name.currentText())=="":
QMessageBox.information(self,u"提示", u"请填写视频名称！")
return
else:
if str(self.file_name.currentText()) not in file_keys:
memory_dict[str(self.file_name.currentText())]=memory_list
self.file_name.addItem(str(self.file_name.currentText()).decode("utf-8"))
else:
QMessageBox.information(self,u"提示", u"该视频已存在！")
return
self.loadImage(data)
with open(ffpmpegRoot+"/cache/histy.part","w") as file:
json.dump(memory_dict,file,sort_keys=True,indent=4)
else:
QMessageBox.information(self,u"提示", u"地址为空，无法下载")
def setData(self):#创建选择菜单
with open(ffpmpegRoot+"/cache/histy.part") as file:
memory_dict= json.loads(file.read())
try:
filename=str(self.file_name.currentText()).decode("utf-8")
self.save_address.setText(memory_dict[filename][1])
self.down_address.setText(memory_dict[filename][0])
except:
print "finish!"
def createRandomString(self,len):
print ('wet'.center(10,'*'))
raw = ""
range1 = range(58, 65) # between 0~9 and A~Z
range2 = range(91, 97) # between A~Z and a~z
i = 0
while i < len:
seed = random.randint(48, 122)
if ((seed in range1) or (seed in range2)):
continue;
raw += chr(seed);
i += 1
return raw
def message(self):
if subprocess.Popen.poll(self.p)!=None:
self._jindu.setText(str(self.file_name.currentText())+" -> "+u"下载完成")#方案一完成后显示下载成功
#self._jindu.close()
#self.infoBox.setText(u"下载完成！！")
#self.infoBox.setWindowTitle(u"提示")
#self.infoBox.setStandardButtons(QMessageBox.Ok )
#self.infoBox.button(QMessageBox.Ok).animateClick(2*1000)
#self.infoBox.exec_()
#self.timer.stop()
#方案二：运行结束后显示提示框，2秒后，提示框自动消失。
def func(self,cmd):
self.p=subprocess.Popen(cmd, shell=True)
self.message()
def printText(self):
self._jindu.setText(u"请等待"+"."*random.randint(1, 25))
def startDownload(self):
self.timer.start(1000)
self._jindu.show()
url=str(self.down_address.text())
save_address=str(self.save_address.text())
if str(self.file_name.currentText())=="":
save_address=save_address+"/"+self.createRandomString(6)+".mp4"
else:
save_address=save_address+"/"+str(self.file_name.currentText())+".mp4"
cmd=ffmpeg + " -i "+ url + " -c copy "+save_address
cmd=cmd.encode(sys.getfilesystemencoding())
if "?" in cmd:
cmd=cmd.replace("?","")
p = Process(target=self.func,args=(cmd,))
p.run()
def loadImage(self,data):
try:
if os.path.exists(data):
self._tree.image=QPixmap(data)
self._tree.graphicsView= QGraphicsScene()
self._tree.item = QGraphicsPixmapItem(self._tree.image)
self._tree.graphicsView.addItem(self._tree.item)
self._tree.setScene(self._tree.graphicsView)
except Exception as e:
print e
QMessageBox.information(self,u"提示", u"图像解析失败")
def openVideo(self):
if os.path.exists(ffpmpegRoot+"/cache/histy.part"):
with open(ffpmpegRoot+"/cache/histy.part") as file:
filedata= json.loads(file.read())
filelink=filedata[filedata.keys()[0]][0]
filepos=filedata[filedata.keys()[0]][1]
filename=filedata.keys()[0]
else:
filelink=""
filepos=""
filename=""
if str(self.down_address.text())!="" and str(self.save_address.text())!="" and str(self.file_name.currentText())!="":
path= str(self.save_address.text()).decode("utf-8")
if os.path.isdir(path):
os.startfile(path)
elif str(self.down_address.text())!="" and str(self.save_address.text())!='' and str(self.file_name.currentText())=="":
if os.path.exists(ffpmpegRoot+"/cache/histy.part"):
for item in filedata.keys():
self.file_name.addItem(item)
elif str(self.save_address.text())!='' and str(self.file_name.currentText())!="" and str(self.down_address.text())=="":
self.down_address.setText(filelink)
elif str(self.file_name.currentText())!="" and str(self.down_address.text())!="" and str(self.save_address.text())=='':
self.save_address.setText(filepos)
elif str(self.file_name.currentText())!="" and str(self.down_address.text())=="" and str(self.save_address.text())=='':
self.save_address.setText(filepos)
self.down_address.setText(filelink)
elif str(self.file_name.currentText())=="" and str(self.down_address.text())!="" and str(self.save_address.text())=='':
self.save_address.setText(filepos)
if os.path.exists(ffpmpegRoot+"/cache/histy.part"):
for item in filedata.keys():
self.file_name.addItem(item)
elif str(self.file_name.currentText())=="" and str(self.down_address.text())=="" and str(self.save_address.text())!='':
self.down_address.setText(filelink)
if os.path.exists(ffpmpegRoot+"/cache/histy.part"):
for item in filedata.keys():
self.file_name.addItem(item)
else:
self.save_address.setText(filepos)
self.down_address.setText(filelink)
if os.path.exists(ffpmpegRoot+"/cache/histy.part"):
for item in filedata.keys():
self.file_name.addItem(item)
def saveAdrss(self):
#利用文件保存对话框获取文件的路径名称，将存在的json,txt文件拷贝至指定位置。
filename = QFileDialog.getExistingDirectory()
if filename:
filename=str(filename).decode('utf-8')
filename=filename.replace("\\",'/')
self.save_address.setText(filename)
else:
pass
#QMessageBox.information(self,u'提示页面',u'取消成功')
#*******************************************************************
#*******************************************************************
#***************************主函数***********************************
#*******************************************************************
#*******************************************************************
if __name__ == '__main__':
app = QApplication(sys.argv)
bili = bilibili_gui()
bili.show()
sys.exit(app.exec_())
问题，当调用ffmpeg时，界面卡死。试了许多方法，思绪良久，偶然想到新创建一个进程，
使界面和后台脱离联系。
方法思路，新创建另外一个进程，利用该进程调用ffmpeg命令。
优点，界面不会卡死。
缺点，界面关闭后命令继续执行，不受控制，必须手动关闭cmd。
