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Streaming & messaging

Kafka-style pub/sub, event consumers, async pipelines, and message-driven workflows.

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Streaming & messaging easy

How to Wrap Message Attributes in a CloudEvent with Python

Create a minimal CloudEvent dataclass that wraps arbitrary message attributes into a JSON envelope, matching CloudEvents 1.0 spec.

cloudevents messaging dataclasses
Python 
import json
from dataclasses import dataclass, field, asdict
from typing import Any, Dict
from datetime import datetime, timezone


@dataclass
class CloudEvent:
    message_attributes: Dict[str, Any] = field(default_factory=dict)

    def wrap(self, event_id: str, source: str, event_type: str, data: Any):
        self…
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