[Bug]: plot_directive does not raise warning or error when the code it runs fails #30899
Description
Bug summary
When the plot directive is used on code that fails, plot directive silently accepts it (no figure is produced) by proceeding like nothing went wrong.
Code for reproduction
The following
1D Regular Binning
^^^^^^^^^^^^^^^^^^
.. plot::
:include-source:
raise RuntimeWarning('I will break')Actual outcome
Expected outcome
I expect to see a warning or error when building the docs via sphinx
$ python -m sphinx ./ ./_build --fail-on-warning -T
Running Sphinx v8.2.3
loading translations [en]... done
Converting `source_suffix = ['.rst', '.md']` to `source_suffix = {'.rst': 'restructuredtext', '.md': 'restructuredtext'}`.
loading pickled environment... checking bibtex cache... up to date
The configuration has changed (3 options: 'html_css_files', 'html_static_path', 'pygments_dark_style')
done
myst v4.0.1: MdParserConfig(commonmark_only=False, gfm_only=False, enable_extensions={'colon_fence'}, disable_syntax=[], all_links_external=False, links_external_new_tab=False, url_schemes=('http', 'https', 'mailto', 'ftp'), ref_domains=None, fence_as_directive=set(), number_code_blocks=[], title_to_header=False, heading_anchors=0, heading_slug_func=None, html_meta={}, footnote_sort=True, footnote_transition=True, words_per_minute=200, substitutions={}, linkify_fuzzy_links=True, dmath_allow_labels=True, dmath_allow_space=True, dmath_allow_digits=True, dmath_double_inline=False, update_mathjax=True, mathjax_classes='tex2jax_process|mathjax_process|math|output_area', enable_checkboxes=False, suppress_warnings=[], highlight_code_blocks=True)
[autosummary] generating autosummary for: CODE_OF_CONDUCT.md, CONTRIBUTING.md, _generated/pyhs3.Model.rst, _generated/pyhs3.Workspace.rst, _generated/pyhs3.analyses.Analyses.rst, _generated/pyhs3.analyses.Analysis.rst, _generated/pyhs3.analyses.rst, _generated/pyhs3.base.Evaluable.rst, _generated/pyhs3.data.Axis.rst, _generated/pyhs3.data.BinnedData.rst, ..., broadcasting.rst, defining_components.rst, development.rst, index.rst, model.rst, structure.rst, talks.rst, testing.rst, visualization.rst, workspace.rst
Additional information
matplotlib 3.10.3
matplotlib-inline 0.1.7
Sphinx 8.2.3
Operating system
OS/X [Sonoma, 14.7.6 (23H626)]
Matplotlib Version
3.10.3
Matplotlib Backend
Agg
Python version
Python 3.13.0
Jupyter version
n/a
Installation
pip