def get_error_message(
self, e: Exception, api: LedgerApi, message: Message, dialogue: BaseDialogue,
) -> LedgerApiMessage:
"""
Build an error message.
:param e: the exception.
:param api: the Ledger API.
:param message: the request message.
:return: an error message response.
"""
message = cast(LedgerApiMessage, message)
dialogue = cast(LedgerApiDialogue, dialogue)
response = LedgerApiMessage(
performative=LedgerApiMessage.Performative.ERROR,
message_id=message.message_id + 1,
target=message.message_id,
dialogue_reference=dialogue.dialogue_label.dialogue_reference,
code=500,
message=str(e),
data=b"",
)
response.counterparty = message.counterparty
dialogue.update(response)
return response
def __init__(
self,
dialogue_label: DialogueLabel,
agent_address: Optional[Address] = None,
role: Optional[Dialogue.Role] = None,
) -> None:
"""
Initialize a dialogue.
:param dialogue_label: the identifier of the dialogue
:param agent_address: the address of the agent for whom this dialogue is maintained
:param role: the role of the agent this dialogue is maintained for
:return: None
"""
Dialogue.__init__(
self,
dialogue_label=dialogue_label,
agent_address=agent_address,
role=role,
rules=Dialogue.Rules(
cast(FrozenSet[Message.Performative], self.INITIAL_PERFORMATIVES),
cast(FrozenSet[Message.Performative], self.TERMINAL_PERFORMATIVES),
cast(
Dict[Message.Performative, FrozenSet[Message.Performative]],
self.VALID_REPLIES,
),
),
)
def __init__(self, dialogue_label: DialogueLabel, is_seller: bool, **kwargs) -> None:
"""
Initialize a dialogue label.
:param dialogue_label: the identifier of the dialogue
:param is_seller: indicates whether the agent associated with the dialogue is a seller or buyer
:return: None
"""
BaseDialogue.__init__(self, dialogue_label=dialogue_label)
self._is_seller = is_seller
self._role = Dialogue.AgentRole.SELLER if is_seller else Dialogue.AgentRole.BUYER
def __init__(self, dialogue_label: DialogueLabel, is_seller: bool) -> None:
"""
Initialize a dialogue label.
:param dialogue_label: the identifier of the dialogue
:param is_seller: indicates whether the agent associated with the dialogue is a seller or buyer
:return: None
"""
BaseDialogue.__init__(self, dialogue_label=dialogue_label)
self._is_seller = is_seller
self._role = 'seller' if is_seller else 'buyer'
self._outgoing_messages = [] # type: List[Message]
self._outgoing_messages_controller = [] # type: List[Message]
self._incoming_messages = [] # type: List[Message]
def setup(cls):
"""Initialise the class."""
cls.dialogue_label = DialogueLabel(dialogue_reference=(str(0), ''),
dialogue_opponent_pbk="opponent",
dialogue_starter_pbk="starter")
cls.dialogue = Dialogue(dialogue_label=cls.dialogue_label)
cls.dialogues = Dialogues()
