T264586: Add rendering for explicit exception causes #7
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
The current implementation of
zExceptions.ExceptionFormatter
does not allow rendering of full stacks for exceptions with explicit cause exceptions (raise Exception from ..) (see zopefoundation/zExceptions#14)This PR implements a workaround by going up the cause chain of the exception and using the formatter for each seperate exception. The result may look something like this: