python 练手
可以播放大部分的音视频.
demo download: http://www.sandy1219.com/python/media.rar
playMP3.py
# -*- coding: utf-8 -*-
import wx;
import wx.media;
import os;
import SPrint;
import mediaStateBar;
import mediaList;
import SaveLog;
import MediaItem;
woldcart = "media files|*.*|avi|*.avi|rmvb|*.rmvb|rm|*.rm|wma|*.wma|mp3|*.mp3";
class MediaFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self,None,wx.NewId(),u"媒体播放器",pos=wx.DefaultPosition,size=(500,500));
self.media = '';
try:
self.media = wx.media.MediaCtrl(self,style=wx.SIMPLE_BORDER,
#szBackend=wx.media.MEDIABACKEND_DIRECTSHOW
#szBackend=wx.media.MEDIABACKEND_QUICKTIME
#szBackend=wx.media.MEDIABACKEND_WMP10
);
self.media.Bind(wx.media.EVT_MEDIA_LOADED,self.mediaLoaded);
self.media.Bind(wx.media.EVT_MEDIA_STATECHANGED,self.mediaStateChange)
except NotImplementedError:
self.Destroy()
raise;
self.listView = '';
self.item = MediaItem.MediaItem();
self.sb = mediaStateBar.MediaStateBar(self);
self.SetStatusBar(self.sb);
self.log = SaveLog.SaveLog();
#self.log.test();
self.menu = wx.Menu()
self.openMenu = self.menu.Append(wx.NewId(),u"打开文件");
self.Bind(wx.EVT_MENU,self._openFile,self.openMenu);
self.quitMenu = self.menu.Append(wx.NewId(),u"退出");
self.Bind(wx.EVT_MENU,self.quit,self.quitMenu);
self.viewMenu = wx.Menu();
self.listMenu = self.viewMenu.Append(wx.NewId(),u"打开播放列表");
self.Bind(wx.EVT_MENU,self.openList,self.listMenu);
self.loadListMenu = self.viewMenu.Append(wx.NewId(),u"加载播放列表");
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源代码下载：下载地址在这里
# 026
aList = ['1','2','3','4']
aListCopy = aList # 其实，这里仅仅复制了一个引用
del aList[0]
print aList
print aListCopy # 两个引用指向了了同一个对象，所以打印结果一样
aListCopy = aList[:] # 这是复制整个对象的有效方法
del aList[0]
print aList
print aListCopy
......
# 027
toolName = 'Google'
if toolName.startswith('Go'):
print 'The tool\'s name starts with \"Go\".'
if 'oo' in toolName:
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# 033
class Person:
age = 22
def sayHello(self): # 方法与函数的区别在于需要一个self参数
print 'Hello!'
# end of def
# end of class # 这是我良好的编程风格
p = Person()
print p.age
p.sayHello()
output：
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# 040
import time
try:
f = file('040_Finally.py')
while True:
line = f.readline()
if len(line) == 0:
break
time.sleep(0.33)
print line,
# end of while
finally:
f.close()
print 'Closed the file.'
# end of try
output：
> ......
