Python View inside component generates view intermittently

[lstant]

Hi, I’m trying to encapsulate a Python View generating a matplotlib figure into a simple component which includes some configuration. In both KNIME 4 and 5 I have the following problem.

Sometimes, the placed component will work as expected and the interactive view will open a window showing the matplotlib figure. I can reset and re-execute or reopen the display and it returns perfectly. However, I can delete the component and replace it with a fresh instance and sometimes it will instead open a blank window and immediately open a save file dialog box asking me to save a HTML file. If I do, there are a few tags but the body is blank. I think I’m using the built-in browser.

Any ideas? Let me know if you want to see code but it’s quite straightfoward.

Thanks!

[mlauber71]

@lstant welcome to the KNIME forum. Maybe you can check this example and see if this does work or has the same problems.

How to rotate the scale of a Line Plot?

@rogerius1st and there I was hoping to convince you of the benefits of employing Python graphics in order to get interesting charts: [from_knime_linechart_dates] With the help of KNIME Data Apps one can create a GUI where you can select the data change settings in order to make this usable in similar situations: [image] The settings will be converted into Python code. Once a framework is there you can change the settings - or even better ask ChatGPT to do it for you. Also let it explain th…

Also if you could share your example without spelling any secrets this could also help.

[lstant]

Thanks. Your example works fine. I’ve attached my code, it’s all open source anyway.
There’s a component output node included but I don’t imagine that’s doing any harm. I would assume it must be something related to my knime configuration, I just wonder if anyone else saw this issue.

PlotDemo.knwf (433.2 KB)