Event¶

Module: eventspype.event

EventTag¶

EventTag = Enum | int | str

Type alias for event tag values. Publishers and subscriptions accept any of these three types.

• Enum values use their .value (must be an int) as the internal tag.
• int values are used directly.
• str values are hashed deterministically using MD5 (case-insensitive) to an int.

Event¶

class Event

Optional marker base class for event types. Provides no behaviour; use it to signal intent in type annotations.

Example¶

from dataclasses import dataclass
from eventspype import Event

@dataclass
class OrderPlacedEvent(Event):
    order_id: int
    amount: float

Events do not have to subclass Event. Any Python object is accepted by EventPublisher.publish(), subject to the type check against the declared EventPublication.event_class.