gcloud-aio-pubsub

What it is and what it does

gcloud-aio-pubsub is a Python client for Google Cloud Pub/Sub that provides both asyncio and threadsafe interfaces for interacting with Google's managed messaging service. It wraps the Pub/Sub API to enable applications to publish messages to topics and subscribe to them, supporting modern async/await patterns as well as traditional synchronous code. The package depends on gcloud-aio-auth for credential handling and prometheus-client for metrics collection.

The library is designed as a shared codebase supporting both async (gcloud-aio-pubsub) and synchronous (gcloud-rest-pubsub) usage patterns. It targets developers building cloud-native applications on Google Cloud Platform who need flexible concurrency models—either async for high-throughput I/O-bound workloads or threadsafe patterns for traditional multi-threaded applications. The package has been in active development since 2017 and maintains production-stable status across Python 3.9 through 3.13.

Use it for:

• Publish events from an async web service to Pub/Sub topics for downstream processing.
• Subscribe to Pub/Sub messages in a background worker with asyncio concurrency.
• Integrate Pub/Sub messaging into a multi-threaded application using the synchronous variant.
• Monitor Pub/Sub client metrics via prometheus-client for observability.
• Build event-driven microservices on Google Cloud with async/await patterns.

Worth the install?

AI-flagged interpretation of the facts on this page — verify before relying

Asyncio and threadsafe Python client for Google Cloud Pub/Sub, supporting both async and synchronous patterns for publishing and subscribing to cloud messaging topics.

Yes. The package is actively maintained, has low install friction, carries no known vulnerabilities, and uses a permissive MIT license. It is production-stable and well-positioned for applications that need asyncio or threadsafe Pub/Sub access on Google Cloud. Install it if you are building on GCP and prefer async patterns or need an alternative to the official client library.

Install

gcloud-aio-pubsub on PyPI

pip install gcloud-aio-pubsub

uv add gcloud-aio-pubsub

poetry add gcloud-aio-pubsub

Installing gcloud-aio-pubsub

Before you install

Low install friction with a pure-Python wheel distribution. Active maintenance with a recent commit on 2026-08-14 and stable production status. Depends on gcloud-aio-auth and prometheus-client, both common utilities.

License in practice

MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects with minimal obligations.

Quickstart

pip install gcloud-aio-pubsub

from gcloud.aio.pubsub import Publisher
import asyncio

async def publish():
    async with Publisher() as publisher:
        await publisher.publish(topic='projects/my-project/topics/my-topic', message=b'hello')

Requires Python 3.9 or later; Google Cloud credentials must be configured in the environment.

Verify before relying

• Whether the package supports both gcloud-aio-pubsub (async) and gcloud-rest-pubsub (sync) variants from a single installation.
• Performance characteristics and throughput limits compared to the official google-cloud-pubsub library.
• Whether prometheus-client integration is automatic or requires explicit configuration.

Package facts

Evidence: gcloud_aio_pubsub-6.3.0-py3-none-any.whl

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