#!/usr/bin/env python# -*- coding: iso-8859-15 -*-#########################################################  This program is free software; you can redistribute it and/or modify#  it under the terms of the GNU General Public License as published#  by the Free Software Foundation; version 2 only.##  This program is distributed in the hope that it will be useful,#  but WITHOUT ANY WARRANTY; without even the implied warranty of#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the#  GNU General Public License for more details.########################################################## #  Project: AptOnCd#  File: download.py#  Author: Alfredo Jr. <junix>#  Creation: 28/10/2006#  Changed: 08/12/2006 by Laudeci Oliveira <laudeci@gmail.com>#  Purpose: Download Class########################################################import urllib2import gtkimport osimport sysimport gobject(PACKAGE, VERSION, FILENAME, SIZE, DEBFILENAME,REMOTEFILEPATH,SECTION) = range(7) def getRemoteFileSize(url):    try:        instream=urllib2.urlopen(url, None)        return instream.info().getheader("Content-Length")    except:        return 0        class Download(gobject.GObject):        __gsignals__ = dict(download_status=(gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_STRING, gobject.TYPE_FLOAT,gobject.TYPE_FLOAT, gobject.TYPE_INT)))    def __init__(self, url = "", filepath = ""):        gobject.GObject.__init__(self)        self.url = url        self.FileName = ""        self.downSize = 1024        self.Folder = filepath        self.downloadSize = 0        self.canceled = False        def cancelDownload(self):        self.canceled = True            def getDownloadSize(self):         return self.downloadSize         def getURLName(self):        name = "%s%s%s" % ( self.Folder, os.sep, self.url.split("/")[-1] )        return name            def createDownload(self):               instream=urllib2.urlopen(self.url, None)        #self.initialtime = time.time()        return (instream, instream.info().getheader("Content-Length"))    def download(self, progressgui = False):        downloaded = False        if self.url == "":            return False        #try:        outfile=open( self.getURLName(), "wb")        url, length = self.createDownload()        fileName=outfile.name.split(os.sep)[-1]        self.FileName = fileName                if not length:            length = "?"        if length!="?":            length=float(length)         bytesRead = 0.0                while True:                bytes = url.read(int(self.downSize))                bytesRead+= len(bytes)                fraction = float((100 * bytesRead) / length)                outfile.write(bytes)                if progressgui:                    self.emit('download_status',fileName, length, len(bytes) , (fraction))                if bytes == "":                    outfile.close()                    break                if self.canceled:                     try:                        outfile.close()                        os.remove(self.getURLName())                    except:                        pass                    break        url.close()        outfile.close()                downloaded = True        #except :         #   print "Error downloading %s" % (self.url)        return downloadedgobject.type_register(Download)