Get Environment Variable inside Jupyter Extension

[Rahul_Barthwal]

How may i fetch a environment variable inside a jupyter lab extension?

[amirathi]

Assuming you want to access env variable in a client side extension -
In the extension I built, I actually make API call to Jupyter server to return certain config variables. Here’s how the call looks like on client side.

You can do a similar setup to fetch env variables.

[Rahul_Barthwal]

Hello Amit, Thanks for help. I was looking for something related to kernel connector to run commands directly from the frontend. As i don’t want to create end points in API.
Found a similar solution

Programmatically execute command in kernel

I am building a JupyterLab extension to automate deployments of Jupyter Notebooks into a cloud environment. I would like to have a button in my panel extension that, when pressed, will execute a command in the running kernel of the active notebook. The behavior would be the same as having a cell with !command, but run programmatically when the button is pressed. So I wish to either create and the run programmatically a new cell (and then delete it) or execute directly a command in the kernel. I…