With nbconvert 5.3 you cannot use the ExecutePreprocessor and filter outputs at the same time

[mpacer]

TagRemovePreprocessor currently handles removing cells, inputs, all outputs and individual outputs. It runs before the ExecutePreprocessor runs.

As a result, once ExecutePreprocessor runs, it recreates the outputs that should have been filtered out by TagRemovePreprocessor.

The simplest solution is to rerun TagRemovePreprocessor but that seems wasteful.

The other solution would be to create a subclass of TagRemovePreprocessor called something like OutputTagRemovePreprocessor that inherits the traitlet values, but overwrites the preprocess_cell method to only filter outputs (adhering to both remove_all_outputs_tags and remove_single_output_tags). Then invoke this new preprocessor after all other preprocessors have run. This would make sense to appear in the base Exporter class.

[mpacer]

@pxhanus Are you interested in tackling this one?

[jzf2101]

@mpacer can we add this one to hacktoberfest?

[pxhanus]

@mpacer Yes, I've got this! I'll let you know if I have any questions.

[mpacer]

@pxhanus, why don't you start by just making a PR that readds the TagRemovePreprocessor?

[jzf2101]

@pxhanus are you still interested, I think @fenwickipedia might consider it

[pxhanus]

@jzf2101 @fenwickipedia I am still working on this. Thanks for checking!

[fcollonval]

There is a temporary fix proposed in #1300 (comment)