相关疑难解决方法(0)

def download():
if os.path.exists( dst_dir_path ) == False:
    logger.error( "Cannot access destination folder %s. Please check path and permissions. " % ( dst_dir_path ))
    return 1
elif os.path.isdir( dst_dir_path ) == False:
    logger.error( "%s is not a folder. Please check path. " % ( dst_dir_path ))
    return 1

file_list = None
#transport = paramiko.Transport(( hostname, port)) 
paramiko.util.log_to_file('paramiko.log')
ssh = paramiko.SSHClient() 
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) 
#transport
try:
    ssh.connect( hostname, username=username, password=password, timeout=5.0) 
    #transport.connect(username=username, password=password ) 
except Exception, err:
    logger.error( "Failed to connect to the …