Pixeldust Drupal Support Service

How to detect when a Drupal stream wrapper is uninstalled?

Does Drupal provide an "uninstall" hook to get notified when a Drupal Stream Wrapper is removed/uninstalled?

Or, is there a way to prevent a custom Drupal stream wrapper from being removed/uninstalled while there is at least one Drupal File entity that is using the stream wrapper?

Currently, for example, a Drupal site will crash if I do the following:

  1. Install a custom stream wrapper (e.g., https://www.drupal.org/project/s3fs)
  2. Add a File field to a Node and configure the file field to use this stream wrapper
  3. Store a file with the file field above
  4. Uninstall the custom stream wrapper’s module
  5. Try to view the file field’s contents by opening the node’s page (which will attempt to fetch & render the file).

Thanks!

This article was republished from its original source.
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How to detect when a Drupal stream wrapper is uninstalled?

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