Versions
========
* Platform: linux; (Linux-6.17.10-300.fc43.x86_64-x86_64-with-glibc2.42)
* Python version: 3.14.2 (CPython)
* Sphinx version: 9.1.0
* Docutils version: 0.22.4
* Jinja2 version: 3.1.6
* Pygments version: 2.19.2
Last Messages
=============
Writing evaluated template result to /home/astraluma/code/stampede/docs/_build/html/_static/language_data.js
Writing evaluated template result to /home/astraluma/code/stampede/docs/_build/html/_static/copybutton.js
copying static files: done
copying extra files...
copying extra files: done
copying assets: done
writing output... [ 33%]
api
Loaded Extensions
=================
* sphinx.ext.mathjax (9.1.0)
* alabaster (1.0.0)
* sphinxcontrib.applehelp (2.0.0)
* sphinxcontrib.devhelp (2.0.0)
* sphinxcontrib.htmlhelp (2.1.0)
* sphinxcontrib.serializinghtml (2.0.0)
* sphinxcontrib.qthelp (2.0.0)
* sphinxext.opengraph (0.13.0)
* sphinx_copybutton (0.5.2)
* sphinx.ext.viewcode (9.1.0)
* sphinx.ext.todo (9.1.0)
* furo (2025.12.19)
* sphinx_basic_ng (1.0.0.beta2)
Traceback
=========
Traceback (most recent call last):
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/events.py", line 441, in emit
results.append(listener.handler(self._app, *args))
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinxext/opengraph/__init__.py", line 72, in html_page_context
context['metatags'] += get_tags(
~~~~~~~~^
context,
^^^^^^^^
...<5 lines>...
env=app.env,
^^^^^^^^^^^^
)
^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinxext/opengraph/__init__.py", line 180, in get_tags
image_url = social_card_for_page(
config_social=config_social,
...<9 lines>...
env=env,
)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinxext/opengraph/__init__.py", line 308, in social_card_for_page
image_path = create_social_card(
config_social,
...<8 lines>...
html_logo=config.html_logo,
)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinxext/opengraph/_social_cards.py", line 135, in create_social_card
plt_objects = render_social_card(
path_image,
...<4 lines>...
plt_objects,
)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinxext/opengraph/_social_cards.py", line 167, in render_social_card
fig.savefig(path, facecolor=None)
~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/figure.py", line 3490, in savefig
self.canvas.print_figure(fname, **kwargs)
~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backend_bases.py", line 2186, in print_figure
result = print_method(
filename,
...<3 lines>...
bbox_inches_restore=_bbox_inches_restore,
**kwargs)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backend_bases.py", line 2042, in <lambda>
print_method = functools.wraps(meth)(lambda *args, **kwargs: meth(
~~~~^
*args, **{k: v for k, v in kwargs.items() if k not in skip}))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backends/backend_agg.py", line 481, in print_png
self._print_pil(filename_or_obj, "png", pil_kwargs, metadata)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backends/backend_agg.py", line 429, in _print_pil
FigureCanvasAgg.draw(self)
~~~~~~~~~~~~~~~~~~~~^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backends/backend_agg.py", line 382, in draw
self.figure.draw(self.renderer)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/artist.py", line 94, in draw_wrapper
result = draw(artist, renderer, *args, **kwargs)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/artist.py", line 71, in draw_wrapper
return draw(artist, renderer)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/figure.py", line 3257, in draw
mimage._draw_list_compositing_images(
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
renderer, self, artists, self.suppressComposite)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/image.py", line 134, in _draw_list_compositing_images
a.draw(renderer)
~~~~~~^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/artist.py", line 71, in draw_wrapper
return draw(artist, renderer)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/axes/_base.py", line 3226, in draw
mimage._draw_list_compositing_images(
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
renderer, self, artists, self.get_figure(root=True).suppressComposite)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/image.py", line 134, in _draw_list_compositing_images
a.draw(renderer)
~~~~~~^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/artist.py", line 71, in draw_wrapper
return draw(artist, renderer)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/text.py", line 751, in draw
with self._cm_set(text=self._get_wrapped_text()):
~~~~~~~~~~~~~~~~~~~~~~^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/text.py", line 721, in _get_wrapped_text
current_width = self._get_rendered_text_width(line)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/text.py", line 681, in _get_rendered_text_width
w, h, d = _get_text_metrics_with_cache(
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
self._renderer, text, self.get_fontproperties(),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
cbook.is_math_text(text),
^^^^^^^^^^^^^^^^^^^^^^^^^
self.get_figure(root=True).dpi)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/text.py", line 69, in _get_text_metrics_with_cache
return _get_text_metrics_with_cache_impl(
weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/text.py", line 77, in _get_text_metrics_with_cache_impl
return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/backends/backend_agg.py", line 215, in get_text_width_height_descent
self.mathtext_parser.parse(s, self.dpi, prop)
~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/mathtext.py", line 86, in parse
return self._parse_cached(s, dpi, prop, antialiased, load_glyph_flags)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/mathtext.py", line 100, in _parse_cached
box = self._parser.parse(s, fontset, fontsize, dpi)
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib64/python3.14/site-packages/matplotlib/_mathtext.py", line 2167, in parse
raise ValueError("\n" + ParseException.explain(err, 0)) from None
ValueError:
The default export is helpful, and the suggested usage is import $$
^
ParseException: Expected end of text, found '$' (at char 65), (line:1, col:66)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/cmd/build.py", line 432, in build_main
app.build(args.force_all, args.filenames)
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/application.py", line 442, in build
self.builder.build_update()
~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 381, in build_update
self.build(
~~~~~~~~~~^
to_build,
^^^^^^^^^
...<2 lines>...
method='update',
^^^^^^^^^^^^^^^^
)
^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 460, in build
self.write(docnames, updated_docnames, method)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 748, in write
self.write_documents(docnames)
~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 762, in write_documents
self._write_serial(sorted_docnames)
~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 777, in _write_serial
_write_docname(docname, env=self.env, builder=self, tags=self.tags)
~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/__init__.py", line 890, in _write_docname
builder.write_doc(docname, doctree)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/html/__init__.py", line 665, in write_doc
self.handle_page(docname, ctx, event_arg=doctree)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/builders/html/__init__.py", line 1187, in handle_page
if new_template := self.events.emit_firstresult(
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
'html-page-context', pagename, templatename, ctx, event_arg
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/events.py", line 482, in emit_firstresult
for result in self.emit(name, *args, allowed_exceptions=allowed_exceptions):
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/astraluma/.cache/pypoetry/virtualenvs/non-package-mode-_-gRgf3P-py3.14/lib/python3.14/site-packages/sphinx/events.py", line 452, in emit
raise ExtensionError(
...<3 lines>...
) from exc
sphinx.errors.ExtensionError: Handler <function html_page_context at 0x7fc01e3337f0> for event 'html-page-context' threw an exception (exception:
The default export is helpful, and the suggested usage is import $$
^
ParseException: Expected end of text, found '$' (at char 65), (line:1, col:66))
From https://codeberg.org/teahouse/stampede
I'm reasonably certain this is
sphinxext.opengraphbecause if I disable the extension inconf.py, the error disappears.