74df5034c0
By borrowing from the implementation of `RemoteActorError.pformat()`
which is now factored into a new `.devx.pformat_exc()` and re-used for
both error types while maintaining the same func-sig. Obviously delegate
`RemoteActorError.pformat()` to the new helper accordingly and keeping
the prior `body` generation from `.devx.pformat_boxed_tb()` as before.
The new helper allows for,
- passing any of a `header|message|body: str` which are all combined in
that order in the final output.
- getting the `exc.message` as the default `message` part.
- generating an objecty-looking "type-name" header to be rendered by
default when `header` is not overridden.
- "first-line-of `message`" processing which we split-off and then
re-inject as a `f'<{type(exc).__name__}( {first} )>'` top line header.
- an optional `tail: str = '>'` to "close the object"-look only added
when `with_type_header: bool = True`.
Adjustments to `TransportClosed` around this include,
- replacing the init `cause` arg for a `src_exc` which is now always
assigned to a same named instance var.
- displaying that new `.src_exc` in the `body: str` arg to the
`.devx.pformat.pformat_exc()` call so you can always see the
underlying (normally `trio`) source error.
- just make it inherit from `Exception` not `trio.BrokenResourceError`
to avoid handlers catching `TransportClosed` as the former
particularly in testing when we want to sometimes to distinguish them.
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|---|---|---|
| .. | ||
| __init__.py | ||
| _chan.py | ||
| _linux.py | ||
| _mp_bs.py | ||
| _ringbuf.py | ||
| _shm.py | ||
| _tcp.py | ||
| _transport.py | ||
| _types.py | ||
| _uds.py | ||