Convert the TempFile to opencv in a Jupyter notebook

[owen.campbell]

Here’s how I handled a video file with OpenCV. You may find you can adapt it suit your needs:

Writing to a media object

Similar to Can I write to a Media object as a file? I’m using OpenCV.VideoWriter to create video files and I’d like to do that within Anvil and store the result in a data table. However, the constructor only takes a string representing a file name (in the previous question, the constructor also accepted a BytesIO instance, but I don’t have that option). I’ve tried using anvil.media.TempFile, but that requires a media object instance in its own constructor and both BlobMedia and URLMedia requi…