[](https://w3id.org/jelly/pyjelly) [](https://pypi.org/project/pyjelly/) [](https://pypi.org/project/pyjelly/) [](https://opensource.org/licenses/Apache-2.0) [](https://github.com/Jelly-RDF/pyjelly/actions/workflows/ci.yml) [](https://codecov.io/gh/Jelly-RDF/pyjelly) [](https://discord.gg/A8sN5XwVa5)
# pyjelly
**pyjelly** is a Python implementation of [Jelly](http://w3id.org/jelly), a high-performance binary serialization format and streaming protocol for RDF knowledge graphs.
**Documentation, usage guide and more: https://w3id.org/jelly/pyjelly**
## Features
- **Fast reading and writing** of RDF knowledge graphs in the [Jelly format](http://w3id.org/jelly)
- **Seamless integration with [rdflib](https://rdflib.readthedocs.io/)**
- **Stream processing support** for large datasets or streams of many RDF graphs/datasets
## Getting started
Install pyjelly from **[PyPI](https://pypi.org/project/pyjelly/)**:
```bash
pip install pyjelly[rdflib]
```
To write an RDF graph to a Jelly file:
```python
from rdflib import Graph
g = Graph()
g.parse("http://xmlns.com/foaf/spec/index.rdf")
g.serialize(destination="foaf.jelly", format="jelly")
```
To read a Jelly file and convert it to an rdflib `Graph`:
```python
from rdflib import Graph
g = Graph()
g.parse("foaf.jelly", format="jelly")
```
**See [our documentation](https://w3id.org/jelly/pyjelly) for [further examples](https://w3id.org/jelly/pyjelly/dev/getting-started/), a full [API reference](https://w3id.org/jelly/pyjelly/dev/api), and more.**
## Contributing and support
This project is being actively developed – you can stay tuned by [watching this repository](https://docs.github.com/en/account-and-profile/managing-subscriptions-and-notifications-on-github/setting-up-notifications/about-notifications#subscription-options).
Join the **[Jelly Discord chat](https://discord.gg/A8sN5XwVa5)** to ask questions about pyjelly and to be up-to-date with the development activities.
### Commercial support
**[NeverBlink](https://neverblink.eu)** provides commercial support services for Jelly, including implementing custom features, system integrations, implementations for new frameworks, benchmarking, and more.
### Contributing
If you'd like to contribute, check out our [contributing guidelines](CONTRIBUTING.md).
## License
The pyjelly library is licensed under the [Apache 2.0 license](https://www.apache.org/licenses/LICENSE-2.0).
----
The development of the Jelly protocol, its implementations, and supporting tooling was co-funded by the European Union. **[More details](https://w3id.org/jelly/dev/licensing/projects)**.
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