René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: plot_directive does not raise warning or error when the code it runs fails","articleBody":"### Bug summary\n\nWhen the plot directive is used on code that fails, plot directive silently accepts it (no figure is produced) by proceeding like nothing went wrong.\n\n### Code for reproduction\n\n```Python\nThe following\n\n\n1D Regular Binning\n^^^^^^^^^^^^^^^^^^\n\n.. plot::\n   :include-source:\n\n   raise RuntimeWarning('I will break')\n```\n\n### Actual outcome\n\n\u003cimg width=\"1518\" height=\"284\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/7e62a672-863e-4b96-b272-92a4bbfca371\" /\u003e\n\n### Expected outcome\n\nI expect to see a warning or error when building the docs via `sphinx`\n\n```\n$ python -m sphinx ./ ./_build --fail-on-warning -T\nRunning Sphinx v8.2.3\nloading translations [en]... done\nConverting `source_suffix = ['.rst', '.md']` to `source_suffix = {'.rst': 'restructuredtext', '.md': 'restructuredtext'}`.\nloading pickled environment... checking bibtex cache... up to date\nThe configuration has changed (3 options: 'html_css_files', 'html_static_path', 'pygments_dark_style')\ndone\nmyst 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)\n[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\n```\n\n### Additional information\n\n```\nmatplotlib                    3.10.3\nmatplotlib-inline             0.1.7\nSphinx                        8.2.3\n```\n\n### Operating system\n\nOS/X [Sonoma, 14.7.6 (23H626)]\n\n### Matplotlib Version\n\n3.10.3\n\n### Matplotlib Backend\n\nAgg\n\n### Python version\n\nPython 3.13.0\n\n### Jupyter version\n\nn/a\n\n### Installation\n\npip","author":{"url":"https://github.com/kratsg","@type":"Person","name":"kratsg"},"datePublished":"2025-12-25T17:29:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":12},"url":"https://github.com/30899/matplotlib/issues/30899"}