Unofficial Python Binding of the tikv/raft-rs
Project description
rraft-py
This library provides Python bindings of the tikv/raft-rs crate, allowing for integration of the Raft consensus algorithm in Python applications.
Whether you're building a distributed database, a highly-available service, or any other type of application that requires consensus among a set of nodes, this binding makes it simple to get started.
✨ Hightlights
-
Provides almost the same APIs with
tikv/raft-rsto Python, even along with concrete type hints and comments for all types. -
Provides reliable implementation with more than 10,000 lines of test code porting.
-
Provides flexible design inherited from
tikv/raft-rs, which meansrraft-pylets users could combine any storage and network layer they want through Python.
🤔 Why?
There have been several attempts to implement a Raft implementation in the Python ecosystem before, but unfortunately, there is no library being used as a de-facto standard as of now.
This binding was created to resolve this problem and to make it possible to integrate your Python code with low-level Raft implementation.
When to use and when not to use
This library is a binding for tikv/raft-rs and only contains an implementation of the consensus module. Therefore, you need to write the logic for both the transport and storage layers yourself. If you just want to quickly integrate Raft with your Python application, using this library might not be suitable. In this case, you can consider to using Raftify or PySyncObj.
However, if you want to integrate well-tested Raft implementation that is reliable for production-level use in Python, or want to change the transport layer to a different layer, or want to change fine-grained settings according to your application's specific use case, this binding could provide you a valid starting point.
Disclaimer
Memory management
The library provides a different API compared to other Python libraries to bypass the memory management differences between Python and Rust.
Refer to the How it works page in the Wiki for more details.
🚀 Getting started
Installation
With pip
$ pip install rraft-py
Example
References
- tikv/raft-rs - This binding provides almost completely similar APIs with raft-rs, so it would be helpful to refer to its documentation.
- huggingface/tokenizer - This lib's RefMutContainer implementation is greatly inspired from this binding.
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