Python extension should not register 'python' debugger in web

[sbatten]

Testing microsoft/vscode#167433

insiders.vscode.dev

[joyceerhl]

Given we now do support debugging in the web with microsoft/vscode#167399, I think the debug welcome view is never going to show up...or could the fact that the debug view is always populated now be related to workspace trust changes for web?

[sbatten]

There are no recent changes to workspace trust in the web that I am aware of, but it could be that we just assumed debugging is available now. It seems wrong for this case because I have launch configs, but they will not work as they require a different debug adapter.

[joyceerhl]

@connor4312 do you happen to have context on why the debug view is populated with launch configs in web now and not before?

[connor4312]

The debug view is shown if there's at least one installed extension that registers a debugger. It looks like (one of) the Python extensions now does this--just testing by seeing what completions are available for type in a launch.json.

[joyceerhl]

Ah, that'll be the experimental Python WASM extension, that makes sense. Also confirmed that if I uninstall that extension the welcome view reappears. @sbatten do you have that extension installed, and if you uninstall it does the debug view show up for you?

[sbatten]

I don't but it's actually coming from the main python extension. I disable that and get the welcome view. So as far as continue working on... this is working.

[joyceerhl]

@paulacamargo25 does the Python extension contribute a debugger that works in web, and if it does not, can we ensure not to register it in web?

[paulacamargo25]

@joyceerhl No, our debugger doesn't work on the web, I check and we already show a message, that python configuration is not supported.

I'll check if it's possible not to register it at all.