Downloader.py 文件源码

def get(url):
    # Build and open the URL
    opener = urllib2.build_opener()
    opener.addheaders = [('User-Agent', 'Mozilla/5.0')]
    response = opener.open(url)

    # HLTV redicrects to a .rar or .zip file
    final_url = response.geturl()

    # Gets the filename (everything after the last trailing /)
    filename = final_url.rsplit('/', 1)[-1]

    # Gets the Content-Length from the metadata from final_url
    filesize = (int(urllib.urlopen(final_url).info().getheaders("Content-Length")[0])/1024)/1024

    # Tell user we are downloading filesize
    print "Starting %s: %s MB." % (filename, filesize)

    # Downloads the file to the directory the user enters
    urllib.urlretrieve(final_url, directory+"/"+filename)

    # Tell user the current status and file information
    print "Completed %s: %s MB." % (filename, filesize)
    return filesize