How to get full verbose output?

[dimaqq]

Describe the bug

When I run sphinx-build -vvvv ... I get output like this:

[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'Mapping'>>, <#
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'str'>>, <#text
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'str'>>, <#text
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'int'>>, <#text
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'float'>>, <#te
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'bool'>>, <#tex
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'None'>>, <#tex
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'Iterable'>>, <
[app] emitting event: 'missing-reference'(<sphinx.environment.BuildEnvironment object at 0x10261bb30>, <pending_xref: <#text: 'str'>>, <#text

All the debug lines appear to be truncated to 141 characters.

I can't see the end of the event, and because of that, the output is not very useful.

I've tried messing out with environment, like COLUMNS and TERM; redirecting stdin/out/err, and nothing seems to help.

My terminal is more than wide enough; I couldn't find the limit in the source code. What can I do?

How to Reproduce

sphinx-build -vvvv -W --keep-going docs/ docs/_build/html

Environment Information

Sphinx 6.2.1, sorry 😔

Sphinx extensions

a bunch of them, sorry 😔

Additional context

No response

[dimaqq]

Looks like it's hardcoded in sphinx/events.py

    def emit(self, name: str, *args: Any,
             allowed_exceptions: tuple[type[Exception], ...] = ()) -> list:
        """Emit a Sphinx event."""
        try:
            logger.debug('[app] emitting event: %r%s', name, repr(args)[:100])
        except Exception:
            # not every object likes to be repr()'d (think
            # random stuff coming via autodoc)
            pass

I'll edit my local venv for now.

[dimaqq]

Please consider either unlimited if enough -vvvv flags are added, or maybe a value dependent on $COLUMNS.

[AA-Turner]

df871ab

[AA-Turner]

Obviously for local debugging in Sphinx 6, I would just remove the [:100].

A