ImportError: cannot import name 'PLAYGROUND_HTML' from 'ariadne.constants'

[aesavas]

After updating v0.18.1, tests fail because ImportError: cannot import name 'PLAYGROUND_HTML' from 'ariadne. constants' . When I checked the changes, PLAYGROUND_HTML was removed from constants.py in this commit: 0fca6bb

So, is there any alternative way to use instead of PLAYGROUND_HTML?

[rafalp]

We've removed PLAYGROUND_HTML since it was no longer used in Ariadne after we moved to GraphQL Explorers.

Where are you using PLAYGROUND_HTML?

[aesavas]

I checked Graphql Explorers, and it resolved my issue. I used PLAYGROUND_HTML in the view function (in Flask service). I returned PLAYGROUND_HTML in the GET request function. After the suggestion, I tried to use ExplorerApollo.html(). It handled failed tests. Thanks for help @rafalp

[rafalp]

Great! Remember that default explorers that Ariadne implements are pure and don't depend on request, so you can do EXPLORER_HTML = ExplorerApollo().html() outside of Flask view. to avoid template render that always renders same value.

We've updated Flask integration example for this change, but we are using GraphiQL in it:

https://ariadnegraphql.org/docs/flask-integration