conn_manager.py 文件源码

def get_std_error_from_channel(channel):
    """Get std Error from an existing channel"""
    stderr = ""
    # Make sure we read everything off the error buffer
    if channel.recv_stderr_ready():
        error_buff = channel.recv_stderr(1024)
        while error_buff:
            stderr += error_buff
            error_buff = channel.recv_stderr(1024)
    return stderr