# zeromq/pyzmq

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4,146 stars · 668 forks · Python · BSD-3-Clause

## Links

- GitHub: https://github.com/zeromq/pyzmq
- Homepage: http://zguide.zeromq.org/py:all
- awesome-repositories: https://awesome-repositories.com/repository/zeromq-pyzmq.md

## Description

pyzmq provides Python language bindings for ZeroMQ, serving as an asynchronous messaging library for distributed data transport and inter-process communication. It enables the implementation of non-blocking communication patterns between distributed components and local processes.

The toolkit focuses on high-performance data exchange through features such as zero-copy buffer access, which reads incoming messages directly into pre-allocated memory to avoid data duplication. It also supports the management of multipart messages and the use of state-shadowing object wrappers to track socket lifecycles.

The library covers a broad range of communication capabilities, including network traffic routing via proxies, secure peer authentication, and socket subscription controls. It integrates with asynchronous runtimes to provide non-blocking socket operations and background stream processing.

Binary extensions are supported across multiple hardware architectures through cross-platform compilation.

## Tags

### Networking & Communication

- [Distributed Messaging Libraries](https://awesome-repositories.com/f/networking-communication/communication-platforms-services/messaging-notification-systems/messaging-services/message-broker-infrastructure/distributed-messaging-libraries.md) — Serves as a high-performance library for implementing distributed communication patterns across network transports.
- [Inter-Process Communication](https://awesome-repositories.com/f/networking-communication/communication-protocols-architectures/inter-process-communication.md) — Facilitates high-speed data exchange and coordination between separate local and remote software processes.
- [Distributed Data Transport Layers](https://awesome-repositories.com/f/networking-communication/distributed-data-transport-layers.md) — Provides a framework for sending multipart messages across diverse hardware architectures using configurable sockets.
- [Distributed Messaging Cores](https://awesome-repositories.com/f/networking-communication/high-concurrency-networking/high-performance-messaging-infrastructures/distributed-messaging-cores.md) — Implements a low-level messaging engine for high-performance communication between distributed nodes. ([source](https://pyzmq.readthedocs.io/_sources/index.md.txt))
- [Non-Blocking Socket I/O](https://awesome-repositories.com/f/networking-communication/socket-networking/non-blocking-socket-i-o.md) — Executes asynchronous socket reads and writes using pollers to prevent execution stalls. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Authenticated Peer Connections](https://awesome-repositories.com/f/networking-communication/authenticated-peer-connections.md) — Verifies and authorizes peer connections using configurable callback mechanisms to ensure secure communication channels. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Multipart Message Framing](https://awesome-repositories.com/f/networking-communication/codec-based-message-framing/multipart-message-framing.md) — Supports the management and manipulation of multipart messages, allowing access to individual frame content and metadata. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Message Subscription Management](https://awesome-repositories.com/f/networking-communication/message-queue-clients/message-subscription-management.md) — Provides controls to subscribe or unsubscribe sockets from specific data topics to manage incoming message flow. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Message Stream Handlers](https://awesome-repositories.com/f/networking-communication/message-stream-handlers.md) — Streams messages through an event loop to trigger asynchronous callbacks upon data arrival. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Network Traffic Routing](https://awesome-repositories.com/f/networking-communication/network-traffic-routing.md) — Enables message forwarding between sockets using proxies and tunnels to decouple network topologies.
- [Traffic Proxying](https://awesome-repositories.com/f/networking-communication/traffic-proxying.md) — Implements proxies to forward messages between sockets, decoupling network topologies and managing traffic flow. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))

### Development Tools & Productivity

- [Event Loop Integrations](https://awesome-repositories.com/f/development-tools-productivity/event-loop-integrations.md) — Integrates ZeroMQ socket polling mechanisms with Python asynchronous event loops like asyncio.

### Programming Languages & Runtimes

- [C Bindings](https://awesome-repositories.com/f/programming-languages-runtimes/python-c-bindings/c-bindings.md) — Provides high-performance Python bindings to the low-level C-based ZeroMQ library.
- [ZeroMQ Python Bindings](https://awesome-repositories.com/f/programming-languages-runtimes/zeromq-python-bindings.md) — Provides Python language access to the high-performance ZeroMQ asynchronous messaging queue.

### Software Engineering & Architecture

- [Asynchronous Messaging](https://awesome-repositories.com/f/software-engineering-architecture/asynchronous-messaging.md) — Implements non-blocking communication patterns between distributed components using asynchronous messaging.
- [Inter-Process Communication](https://awesome-repositories.com/f/software-engineering-architecture/inter-process-communication.md) — Provides high-speed messaging channels for exchanging data between multiple local processes.
- [Optimized Buffer Reads](https://awesome-repositories.com/f/software-engineering-architecture/memory-buffering/optimized-buffer-reads.md) — Reads incoming messages directly into pre-allocated buffers using optimized memory copy techniques. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))
- [Multipart Message Framing](https://awesome-repositories.com/f/software-engineering-architecture/multipart-message-framing.md) — Supports the management of multipart messages as single logical units to handle complex data envelopes.
- [Zero-Copy Buffers](https://awesome-repositories.com/f/software-engineering-architecture/zero-copy-buffers.md) — Provides zero-copy buffer access to read incoming messages directly into pre-allocated memory.

### Data & Databases

- [Structured Message Serialization](https://awesome-repositories.com/f/data-databases/structured-message-serialization.md) — Implements serialization and deserialization of complex data structures into formats like JSON for network transmission. ([source](https://pyzmq.readthedocs.io/en/latest/changelog.html))

### Security & Cryptography

- [Peer Communication Security](https://awesome-repositories.com/f/security-cryptography/network-infrastructure-security/peer-communication-security.md) — Verifies and authorizes connections between distributed nodes using secure callback mechanisms.

### Part of an Awesome List

- [Message Queues](https://awesome-repositories.com/f/awesome-lists/data/message-queues.md) — Python bindings for the ZeroMQ messaging library.