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align=\"center\"\u003e\n\n![Deepnote cover image](./assets/deepnote-cover-image.png)\n\n[![CI](https://github.com/deepnote/jupyterlab-deepnote/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/deepnote/jupyterlab-deepnote/actions/workflows/ci.yml)\n[![codecov](https://codecov.io/gh/deepnote/jupyterlab-deepnote/graph/badge.svg?token=OV32VZNOJ2)](https://codecov.io/gh/deepnote/jupyterlab-deepnote)\n[![PyPI](https://img.shields.io/pypi/v/jupyterlab-deepnote.svg)](https://pypi.org/project/jupyterlab-deepnote/)\n[![Python Version](https://img.shields.io/pypi/pyversions/jupyterlab-deepnote.svg)](https://pypi.org/project/jupyterlab-deepnote/)\n\n[Website](https://deepnote.com/?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) • [Docs](https://deepnote.com/docs?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) • [Changelog](https://deepnote.com/changelog?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) • [X](https://x.com/DeepnoteHQ) • [Examples](https://deepnote.com/explore?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) • [Community](https://github.com/deepnote/deepnote/discussions)\n\n\u003c/div\u003e\n\n# Deepnote extension for JupyterLab\n\n`jupyterlab-deepnote` is a JupyterLab extension that enables you to open and view [Deepnote](https://deepnote.com) project files (`.deepnote` format) directly within JupyterLab. This extension provides a seamless read-only viewer for Deepnote notebooks, allowing you to explore Deepnote projects without leaving your JupyterLab environment.\n\n## Key features\n\n- **Open Deepnote files**: View `.deepnote` project files containing Deepnote notebooks in JupyterLab\n- **Multi-notebook support**: Switch between multiple notebooks within a single `.deepnote` file\n- **Read-only mode**: View notebook content safely without modifying the original `.deepnote` file\n- **Seamless integration**: Works natively with JupyterLab's notebook interface\n- **Deepnote block support**: Renders Deepnote-specific block types as Jupyter cells\n\n## Installation\n\n### Requirements\n\n- **Python**: 3.10 or higher\n- **JupyterLab**: 4.4.0 or higher\n\n### Install via pip\n\nInstall the extension using pip, see our [PyPI page](https://pypi.org/project/jupyterlab-deepnote/):\n\n```bash\npip install jupyterlab-deepnote\n```\n\nThe extension will be automatically enabled after installation.\n\n### Verify installation\n\nCheck that the extension is properly installed and enabled:\n\n```bash\n# Check server extension\njupyter server extension list\n\n# Check frontend extension\njupyter labextension list\n```\n\nYou should see `jupyterlab_deepnote` listed in both outputs.\n\n## Opening Deepnote files\n\n1. **Launch JupyterLab**:\n\n   ```bash\n   jupyter lab\n   ```\n\n2. **Open a `.deepnote` file**:\n   - Use the file browser to navigate to your `.deepnote` file\n   - Double-click the file to open it in the notebook viewer\n\n3. **Switch between notebooks** (if the `.deepnote` file contains multiple notebooks):\n   - Use the notebook picker dropdown in the toolbar\n   - Select the notebook you want to view\n\n## Architecture\n\nThis extension consists of two main components:\n\n- **Server extension**: Handles `.deepnote` file parsing and conversion to Jupyter notebook format. Not all the blocks are supported; visit [docs](https://deepnote.com/docs?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) to learn more\n- **Frontend extension**: Provides the JupyterLab UI integration and notebook picker widget\n\nThe extension uses a custom content provider to intercept `.deepnote` file requests and transform them into Jupyter-compatible notebook content.\n\n## Troubleshooting\n\n### Extension not loading\n\nIf the extension doesn't appear to be working:\n\n1. **Verify installation**:\n\n   ```bash\n   jupyter server extension list\n   jupyter labextension list\n   ```\n\n2. **Rebuild JupyterLab** (if installed from source):\n\n   ```bash\n   jupyter lab build\n   ```\n\n3. **Check for errors**:\n\n   ```bash\n   jupyter lab --debug\n   ```\n\n### Common issues\n\n- **`.deepnote` files not opening**: Ensure the file extension is exactly `.deepnote`\n- **Missing notebooks**: Verify the `.deepnote` file contains valid YAML-formatted Deepnote project data\n- **Extension conflicts**: Try disabling other notebook-related extensions temporarily\n\n### Getting help\n\nIf you encounter issues:\n\n1. Check the [GitHub Issues](https://github.com/deepnote/jupyterlab-deepnote/issues) for similar problems\n2. Review the [CONTRIBUTING.md](CONTRIBUTING.md) for development setup\n3. Open a new issue with detailed information about your environment and the problem\n\n## Uninstall\n\nTo remove the extension:\n\n```bash\npip uninstall jupyterlab_deepnote\n```\n\nAfter uninstalling, restart JupyterLab for the changes to take effect.\n\n## Compatibility\n\n### JupyterLab version support\n\nThis extension is compatible with **JupyterLab 4.4.0 or higher**. It requires the content provider registry API introduced in JupyterLab 4.4.\n\n**Upper bound:** The extension sets an upper bound of `\u003c 5.0.0` to prevent automatic installation with potentially incompatible future major versions of JupyterLab.\n\n### Maintenance policy\n\nFollowing [JupyterLab's extension development guidelines](https://jupyterlab.readthedocs.io/en/stable/extension/extension_dev.html#overview-of-extensions), we adhere to semantic versioning principles:\n\n- **Major releases** (e.g., 1.0.0 → 2.0.0): May introduce breaking changes and require user action\n- **Minor releases** (e.g., 1.0.0 → 1.1.0): Add new features while maintaining backwards compatibility\n- **Patch releases** (e.g., 1.0.0 → 1.0.1): Bug fixes and minor improvements only\n\nWhen JupyterLab 5.x is released, we will:\n\n1. Evaluate the changes and update the extension as needed\n2. Release a new major or minor version with explicit JupyterLab 5.x support\n3. Clearly document any breaking changes in the changelog\n\n### Backwards compatibility\n\nThis extension follows semantic versioning for its own API:\n\n- **Current version (0.x.x)**: Pre-release phase. APIs may change without prior notice.\n- **Version 1.0.0 onwards**: We will maintain backwards compatibility within major versions and clearly document breaking changes between major versions.\n\nNote: This extension does **not** support JupyterLab 3.x or earlier versions.\n\n## Need help?\n\n- Join our Community!\n- Open an issue for bug reports or feature requests\n- Check out source code of related repositories: [Deepnote Open Source](https://github.com/deepnote/deepnote), [JupyterLab extension](https://github.com/deepnote/jupyterlab-deepnote) and [Deepnote Toolkit](https://github.com/deepnote/deepnote-toolkit).\n- Check out our [documentation](https://deepnote.com/docs?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main)\n- Want a low-code experience? Visit [Deepnote Cloud](https://deepnote.com/?utm_source=github\u0026utm_medium=github\u0026utm_campaign=github\u0026utm_content=readme_main) together with Deepnote AI agent\n\n## Contributing\n\nFor development setup, testing, and contributing guidelines, please see [CONTRIBUTING.md](CONTRIBUTING.md).\n\n---\n\n\u003cdiv align=\"center\"\u003e\nBuilt with 💙\n\u003c/div\u003e\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdeepnote%2Fjupyterlab-deepnote","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdeepnote%2Fjupyterlab-deepnote","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdeepnote%2Fjupyterlab-deepnote/lists"}