[Python-modules-team] Bug#877014: python3-sphinx exception building breathe

[Adrian Bunk]

Package: python3-sphinx
Version: 1.6.4-1
Severity: serious
Control: affects -1 src:breathe

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/breathe.html

...
writing output... [ 25%] differences
writing output... [ 27%] directives
writing output... [ 30%] domains
Exception occurred while building, starting debugger:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/cmdline.py", line 306, in main
    app.build(opts.force_all, filenames)
  File "/usr/lib/python3/dist-packages/sphinx/application.py", line 339, in build
    self.builder.build_update()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 331, in build_update
    'out of date' % len(to_build))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 397, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 434, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 441, in _write_serial
    doctree = self.env.get_and_resolve_doctree(docname, self)
  File "/usr/lib/python3/dist-packages/sphinx/environment/__init__.py", line 910, in get_and_resolve_doctree
    self.apply_post_transforms(doctree, docname)
  File "/usr/lib/python3/dist-packages/sphinx/environment/__init__.py", line 957, in apply_post_transforms
    transformer.apply_transforms()
  File "/usr/lib/python3/dist-packages/sphinx/transforms/__init__.py", line 92, in apply_transforms
    Transformer.apply_transforms(self)
  File "/usr/lib/python3/dist-packages/docutils/transforms/__init__.py", line 171, in apply_transforms
    transform.apply(**kwargs)
  File "/usr/lib/python3/dist-packages/sphinx/transforms/post_transforms/__init__.py", line 89, in apply
    typ, target, node, contnode)
  File "/usr/lib/python3/dist-packages/sphinx/domains/cpp.py", line 5008, in resolve_xref
    target, node, contnode)[0]
  File "/usr/lib/python3/dist-packages/sphinx/domains/cpp.py", line 4970, in _resolve_xref_inner
    if not checkType():
  File "/usr/lib/python3/dist-packages/sphinx/domains/cpp.py", line 4969, in checkType
    assert False
AssertionError
Type is member, declType is class
> /usr/lib/python3/dist-packages/sphinx/domains/cpp.py(4969)checkType()
-> assert False
(Pdb) 
Makefile:54: recipe for target 'html' failed
make[3]: *** [html] Error 1
make[3]: Leaving directory '/build/1st/breathe-4.7.2/documentation'
Makefile:5: recipe for target 'html' failed
make[2]: *** [html] Error 2
make[2]: Leaving directory '/build/1st/breathe-4.7.2'
E: pybuild pybuild:283: build: plugin custom failed with: exit code=2: env PYTHONPATH=/build/1st/breathe-4.7.2/.pybuild/pythonX.Y_3.5/build /usr/bin/make SPHINXBUILD=/usr/share/sphinx/scripts/python3/sphinx-build
debian/rules:21: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 13


I can reproduce the problem and that downgrading Sphinx
to 1.6.3-2 fixes it.