How to use the tftpy.TftpContexts.TftpContext.__init__ function in tftpy

def __init__(self,
                 host,
                 port,
                 filename,
                 output,
                 options,
                 packethook,
                 timeout,
                 localip = ""):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             localip)
        # FIXME: should we refactor setting of these params?
        self.file_to_transfer = filename
        self.options = options
        self.packethook = packethook
        self.filelike_fileobj = False
        # If the output object has a write() function,
        # assume it is file-like.
        if hasattr(output, 'write'):
            self.fileobj = output
            self.filelike_fileobj = True
        # If the output filename is -, then use stdout
        elif output == '-':

def __init__(self,
                 host,
                 port,
                 timeout,
                 root,
                 dyn_file_func=None,
                 upload_open=None):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             )
        # At this point we have no idea if this is a download or an upload. We
        # need to let the start state determine that.
        self.state = TftpStateServerStart(self)

        self.root = root
        self.dyn_file_func = dyn_file_func
        self.upload_open = upload_open

def __init__(self,
                 host,
                 port,
                 filename,
                 output,
                 options,
                 packethook,
                 timeout,
                 localip = ""):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             localip)
        # FIXME: should we refactor setting of these params?
        self.file_to_transfer = filename
        self.options = options
        self.packethook = packethook
        self.filelike_fileobj = False
        # If the output object has a write() function,
        # assume it is file-like.
        if hasattr(output, 'write'):
            self.fileobj = output
            self.filelike_fileobj = True
        # If the output filename is -, then use stdout
        elif output == '-':

def __init__(self,
                 host,
                 port,
                 filename,
                 input,
                 options,
                 packethook,
                 timeout,
                 localip = ""):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             localip)
        self.file_to_transfer = filename
        self.options = options
        self.packethook = packethook
        # If the input object has a read() function,
        # assume it is file-like.
        if hasattr(input, 'read'):
            self.fileobj = input
        elif input == '-':
            self.fileobj = sys.stdin
        else:
            self.fileobj = open(input, "rb")

def __init__(self,
                 host,
                 port,
                 filename,
                 input,
                 options,
                 packethook,
                 timeout,
                 localip = ""):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             localip)
        self.file_to_transfer = filename
        self.options = options
        self.packethook = packethook
        # If the input object has a read() function,
        # assume it is file-like.
        if hasattr(input, 'read'):
            self.fileobj = input
        elif input == '-':
            self.fileobj = sys.stdin
        else:
            self.fileobj = open(input, "rb")

def __init__(self,
                 host,
                 port,
                 timeout,
                 root,
                 dyn_file_func=None,
                 upload_open=None):
        TftpContext.__init__(self,
                             host,
                             port,
                             timeout,
                             )
        # At this point we have no idea if this is a download or an upload. We
        # need to let the start state determine that.
        self.state = TftpStateServerStart(self)

        self.root = root
        self.dyn_file_func = dyn_file_func
        self.upload_open = upload_open