odh-elyra 4.2.6
Elyra provides AI Centric extensions to JupyterLab
Requires Python: >=3.9

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### Note: 
*This repository/project is for opendatahub-io/Data-science-pipelines v2 and workbench work only.*  
Please refer to upstream [elyra](https://github.com/elyra-ai/elyra) for stable version.

# Elyra

Elyra is a set of AI-centric extensions to JupyterLab Notebooks.

Elyra currently includes the following functionality:

- [Visual Pipeline Editor](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#ai-pipelines-visual-editor)
- [Ability to run a notebook, Python or R script as a batch job](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#ability-to-run-a-notebook-python-or-r-script-as-a-batch-job)
- [Reusable Code Snippets](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#reusable-code-snippets)
- [Hybrid runtime support](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#hybrid-runtime-support) based on [Jupyter Enterprise Gateway](https://github.com/jupyter/enterprise_gateway)
- [Python and R script editors with local/remote execution capabilities](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#python-and-r-scripts-execution-support)
- [Python script navigation using auto-generated Table of Contents](https://elyra.readthedocs.io/en/latest/getting_started/overview.html##python-and-r-scripts-execution-support)
- [Python script integrated debugger (Experimental)](https://elyra.readthedocs.io/en/latest/getting_started/overview.html##python-and-r-scripts-execution-support)
- [Notebook navigation using auto-generated outlines using Table of Contents](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#notebook-navigation-using-auto-generated-table-of-contents)
- [Language Server Protocol integration](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#language-server-protocol-integration)
- [Version control using Git integration](https://elyra.readthedocs.io/en/latest/getting_started/overview.html#version-control-using-git-integration)

![Elyra](docs/source/images/readme/elyra-main-page.png)

The [Elyra Getting Started Guide](https://elyra.readthedocs.io/en/latest/getting_started/overview.html) includes more details on these features. A version-specific summary of new features is located on the [releases page](https://github.com/elyra-ai/elyra/releases).

## Try Elyra

#### Using container images

You can also try Elyra by running one of the container images from [Docker Hub](https://hub.docker.com/r/elyra/elyra/tags) or [quay.io](https://quay.io/repository/elyra/elyra?tab=tags):
- `elyra/elyra:latest` has the latest released version installed.
- `elyra/elyra:x.y.z` has a specific version installed.

Note: You can also [build a container image from the `main` branch ("dev build")](https://github.com/elyra-ai/elyra/tree/main/etc/docker/elyra) to try out features that have not been released yet.  

To run one of the container images, issue the following command, specifying a tag of your choice.

```
docker run -it -p 8888:8888 elyra/elyra:dev jupyter lab --debug
```

To make a local directory containing your Notebooks (e.g. ${HOME}/opensource/jupyter-notebooks/) available in your
docker container, you can use a mount command similar to the following:

```
docker run -it -p 8888:8888 -v ${HOME}/opensource/jupyter-notebooks/:/home/jovyan/work -w /home/jovyan/work elyra/elyra:dev jupyter lab --debug
```

These should produce output similar to that below, where you can then find the URL to be used to access Elyra in your local browser.

```
    To access the notebook, open this file in a browser:
        file:///home/jovyan/.local/share/jupyter/runtime/nbserver-6-open.html
    Or copy and paste one of these URLs:
        http://4d17829ecd4c:8888/?token=d690bde267ec75d6f88c64a39825f8b05b919dd084451f82
     or http://127.0.0.1:8888/?token=d690bde267ec75d6f88c64a39825f8b05b919dd084451f82
```

Refer to the [installation documentation](https://elyra.readthedocs.io/en/stable/getting_started/installation.html#docker) for details.

## Installation

For detailed information refer to the [installation documentation](https://elyra.readthedocs.io/en/stable/getting_started/installation.html).

### Prerequisites :
* [Node.js 18+](https://nodejs.org/en/)
* [Python 3.8+](https://www.python.org/downloads/)
* [Miniconda](https://docs.conda.io/en/latest/miniconda.html) (optional)

### Install current release (for JupyterLab 3.x)

The current release version is displayed at the top of this page.

  - Install from PyPI

    ```bash
    pip3 install --upgrade "elyra[all]"
    ```

  - Install from conda-forge

    ```bash
    conda install -c conda-forge "elyra[all]"
    ```

### Install older release

Installation instructions and JupyterLab support vary by release. Note that a JupyterLab build is required. Installation instructions are located in the [release-specific documentation](https://elyra.readthedocs.io/en/stable/), which can be accessed by selecting a specific version. 

<details>
  <summary>Elyra 3.1 < 3.7 (JupyterLab 3.x)</summary>

  - Install from PyPI

    ```bash
    pip3 install --upgrade "elyra[all]>=3.1.0" && jupyter lab build
    ```

  - Install from conda-forge

    ```bash
    conda install -c conda-forge "elyra[all]>=3.1.0" && jupyter lab build
    ```
</details>

<details>
  <summary>Elyra 2.0 < 3.1 (JupyterLab 3.x)</summary>

  - Install from PyPI
  
    ```bash
    pip3 install --upgrade "elyra>=2.0.1" && jupyter lab build
    ```

  - Install from conda-forge

    ```bash
    conda install -c conda-forge "elyra>=2.0.1" && jupyter lab build
    ```
</details>

### Verify Installation 

Run the following commands to verify the installation. Note that in the example output below the `[version]` placeholder is displayed instead of an actual version identifier, which might change with every release.

```bash
jupyter server extension list
```
Should output:
```
Config dir: /.../.jupyter

Config dir: /.../etc/jupyter
    elyra enabled
    - Validating elyra...
      elyra  OK
    jupyter_lsp enabled
    - Validating jupyter_lsp...
      jupyter_lsp [version] OK
    jupyter_resource_usage enabled
    - Validating jupyter_resource_usage...
      jupyter_resource_usage [version] OK
    jupyter_server_mathjax enabled
    - Validating jupyter_server_mathjax...
      jupyter_server_mathjax  OK
    jupyterlab enabled
    - Validating jupyterlab...
      jupyterlab [version] OK
    jupyterlab_git enabled
    - Validating jupyterlab_git...
      jupyterlab_git [version] OK
    nbclassic enabled
    - Validating nbclassic...
      nbclassic  OK
    nbdime enabled
    - Validating nbdime...
      nbdime [version] OK

Config dir: /.../etc/jupyter
```

NOTE: If you don't see the Elyra server extension enabled, you may need to explicitly enable
it with `jupyter server extension enable elyra`

```bash
jupyter labextension list
```
Should output:
```      
JupyterLab [version]
/.../share/jupyter/labextensions
        nbdime-jupyterlab [version] enabled OK
        @jupyter-server/resource-usage [version] enabled OK (python, jupyter-resource-usage)
        @krassowski/jupyterlab-lsp [version] enabled OK (python, jupyterlab_lsp)
        @elyra/code-snippet-extension [version] enabled OK
        @elyra/code-viewer-extension [version] enabled OK
        @elyra/metadata-extension [version] enabled OK
        @elyra/pipeline-editor-extension [version] enabled OK
        @elyra/python-editor-extension [version] enabled OK
        @elyra/scala-editor-extension [version] enabled OK
        @elyra/r-editor-extension [version] enabled OK
        @elyra/theme-extension [version] enabled OK
        @jupyterlab/git [version] enabled OK (python, jupyterlab-git)

Other labextensions (built into JupyterLab)
   app dir: /.../share/jupyter/lab
```

## Starting Elyra
After verifying Elyra has been installed, start Elyra with:
```bash
jupyter lab
```

## Getting Help

We welcome your questions, ideas, and feedback. Check the [`Getting Help` section in the `Getting Started guide`](https://elyra.readthedocs.io/en/latest/getting_started/getting-help.html) to learn more about the channels you can use to get in touch with us.

## Contributing to Elyra
If you are interested in helping make Elyra better, we encourage you to take a look at our 
[Contributing](CONTRIBUTING.md) page,  
[Development Workflow](https://elyra.readthedocs.io/en/latest/developer_guide/development-workflow.html)
documentation, and invite you to attend our weekly dev community meetings.

## Meetup with Us!
Our daily and weekly community meeting schedule can be found [here](https://github.com/elyra-ai/community#daily-dev-meetings).