# jupyterlab_scenes
[](https://mybinder.org/v2/gh/schmidi314/jupyterlab-scenes/master?urlpath=lab)
Define subsets of code cells as scenes and execute them.
## Usage
* The command "Toggle Scene Cell" attaches a cell to the active scene (or removes it again). Scene membership is indicated by the purple dot at the right end of the cell.
* The active scene is the scene that is currently displayed (purple dots) and can be edited.
* All cells of a scene are executed by clicking the run button in the scene.
* One cell can be part of multiple scenes.
* By clicking the `init` button, one scene can be chosen to be automatically executed as the kernel becomes ready (due to a restart or at the initial loading of the notebook).
* If a notebook with an already running kernel is opened, the init scene is __not__ executed.
* Only one scene can be an init scene.
* To run a scene named `My Favourite Scene` programatically, do
```
from ipylab import JupyterFrontEnd
JupyterFrontEnd().commands.execute('scenes:run-scene', 'My Favourite Scene')
```
But you may run only one scene at a time. No excessive looping as the scenes are executed only after the cell that launches the `run-scene` command is finished.
## Requirements
* JupyterLab >= 4.0
## Install
To install the extension, execute:
```bash
pip install jupyterlab_scenes
```
## Uninstall
To remove the extension, execute:
```bash
pip uninstall jupyterlab_scenes
```
### Packaging the extension
See [RELEASE](RELEASE.md)
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"description": "# jupyterlab_scenes\n\n[](https://mybinder.org/v2/gh/schmidi314/jupyterlab-scenes/master?urlpath=lab)\n\nDefine subsets of code cells as scenes and execute them.\n\n## Usage\n\n* The command \"Toggle Scene Cell\" attaches a cell to the active scene (or removes it again). Scene membership is indicated by the purple dot at the right end of the cell.\n* The active scene is the scene that is currently displayed (purple dots) and can be edited.\n* All cells of a scene are executed by clicking the run button in the scene.\n* One cell can be part of multiple scenes.\n\n\n\n\n* By clicking the `init` button, one scene can be chosen to be automatically executed as the kernel becomes ready (due to a restart or at the initial loading of the notebook).\n* If a notebook with an already running kernel is opened, the init scene is __not__ executed.\n* Only one scene can be an init scene.\n\n\n\n\n* To run a scene named `My Favourite Scene` programatically, do\n ```\n from ipylab import JupyterFrontEnd\n JupyterFrontEnd().commands.execute('scenes:run-scene', 'My Favourite Scene')\n ```\n But you may run only one scene at a time. No excessive looping as the scenes are executed only after the cell that launches the `run-scene` command is finished.\n\n\n## Requirements\n\n* JupyterLab >= 4.0\n\n## Install\n\nTo install the extension, execute:\n\n```bash\npip install jupyterlab_scenes\n```\n\n## Uninstall\n\nTo remove the extension, execute:\n\n```bash\npip uninstall jupyterlab_scenes\n```\n\n\n### Packaging the extension\n\nSee [RELEASE](RELEASE.md)\n",
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