Initial YakPanel commit

class/downloadFile.py

@@ -0,0 +1,64 @@
+#coding: utf-8
+# +-------------------------------------------------------------------
+# | YakPanel
+# +-------------------------------------------------------------------
+# | Copyright (c) 2015-2099 YakPanel(www.yakpanel.com) All rights reserved.
+# +-------------------------------------------------------------------
+# | Author: hwliang <hwl@yakpanel.com>
+# +-------------------------------------------------------------------
+import os,sys,public,json,time
+class downloadFile:
+    logPath = 'data/speed.json'
+    timeoutCount = 0;
+    oldTime = 0;
+    writeTime = 0;
+    down_count = 0;
+    #下载文件
+    def DownloadFile(self,url,filename):
+        try:
+            path = os.path.dirname(filename)
+            if not os.path.exists(path): os.makedirs(path)
+            import urllib,socket,ssl
+            try:
+                ssl._create_default_https_context = ssl._create_unverified_context
+            except:pass
+            socket.setdefaulttimeout(30)
+            self.pre = 0;
+            self.oldTime = time.time();
+            if sys.version_info[0] == 2:
+                urllib.urlretrieve(url,filename=filename,reporthook= self.DownloadHook)
+            else:
+                urllib.request.urlretrieve(url,filename=filename,reporthook= self.DownloadHook)
+            speed = self.GetSpeed()
+            speed['pre'] = 100;
+            speed['used'] = speed['total']
+            self.WriteLogs(json.dumps(speed));
+        except:
+            if self.timeoutCount > 5: return;
+            self.timeoutCount += 1
+            time.sleep(5)
+            self.DownloadFile(url,filename)
+            
+    #下载文件进度回调  
+    def DownloadHook(self,count, blockSize, totalSize):
+        used = count * blockSize
+        pre1 = int((100.0 * used / totalSize))
+        my_time = time.time()
+        if self.pre != pre1 or (my_time - self.writeTime) > 1:
+            dspeed = ((count -self.down_count) * blockSize)   / (my_time - self.oldTime)
+            speed = {'name':public.GetMsg("DOWNLOAD_FILE"),'total':totalSize,'used':used,'pre':self.pre,'speed':dspeed}
+            self.WriteLogs(json.dumps(speed))
+            self.pre = pre1
+            self.writeTime = my_time
+            self.down_count = count
+            self.oldTime = my_time
+
+    #取下载进度
+    def GetSpeed(self):
+        speedLog = public.ReadFile(self.logPath)
+        if not speedLog: return  {'name':public.GetMsg("DOWNLOAD_FILE"),'total':0,'used':0,'pre':0,'speed':0}
+        return json.loads(speedLog)
+    
+    #写输出日志
+    def WriteLogs(self,logMsg):
+        public.WriteFile(self.logPath,logMsg)