asExternalUri doesn't work

[orshefi]

Hi Guys,

I had written a new extension which renders Graphs from matplotlib into vscode webview component, it works great on vscode desktop, but I encounter problems when trying to work with it in code-server.

I cannot state what exactly the problem is but here is the workflow:

1. my vscode extension starts and listens to requests for plot viewing on port 11111 (POST request)
2. matplotlib custom backend sends a request to the extension with the url to open in webview
3. I use vscode.env.asExternalUri tunneling in order to open the url in a webview and embed the generated address in an Iframe.
4. Usually by now the webview with the webpage would have been loaded, but instead I get and error openning localhost refuse to connect

Any ideas what went wrong?

• Web Browser: Chrome
• Local OS: Ubuntu
• Remote OS: MacOS
• Remote Architecture: x86_64
• code-server --version: v3.4.1

[code-asher]

I'm not too familiar with asExternalUri but this might mean there's something missing in our implementation. We'll need to dig further.

[orshefi]

Thanks for the response, I actually solved it from another direction.

Instead of using iframe to the rendered graph url on the host, I took its html and embedded it into the webview.
I also created a translator from the WebSocket that matplotlib webagg backend creates to vscode Iframe messaging infrastructure.

It works ok, you can close this issue.

I believe soon I'll release this extension to be open source and then I'll need your help to get it into your extensions server

[code-asher]

Awesome, that sounds like a really good workaround.

I'm thinking we should leave the issue open until we fix asExternalUri since it would be ideal to have parity with local VS Code.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no activity occurs in the next 5 days.

[jsjoeio]

The Tabnine team is still facing this so we need to dig into it.