Bethany Nicholson

I just tested this example on the latest Pyomo release (6.5.0) and it looks like this was fixed at some point so closing this.

Comments from @jsiirola's review - [ ] Fix docstring https://github.com/Pyomo/pyomo/pull/2654#discussion_r1106102161 - [ ] Use standard Pyomo log handler https://github.com/Pyomo/pyomo/pull/2654#discussion_r1106125117 - [ ] Use of setattr https://github.com/Pyomo/pyomo/pull/2654#discussion_r1106139907 - [ ] Dual...

@wujianjack feel free to reopen this if you have time to come back to it.

@MLopez-Ibanez is this the same as a bilevel optimization problem? If so, there is an existing Pyomo extension that might already have some of the functionality that you're asking for....

You can already do this using the `keepfiles=True` option: opt.solve(model, tee=True, keepfiles=True) You can also specify the name of the logfile using: opt.solve(model, tee=True, keepfiles=True, logfile="some_file_name.log")

This is waiting on highspy 1.6.0 to be released on PyPI. Relevant issue: https://github.com/ERGO-Code/HiGHS/issues/925 and discussion: https://github.com/ERGO-Code/HiGHS/discussions/1441

@jsiirola @mrmundt @emma58 could one of you be the second reviewer on this?

@Zhanwei-Liu could you please provide the following information on your system Pyomo version: Python version: Operating system: How Pyomo was installed (PyPI, conda, source):

We discussed some changes related to testing performance and marking some of the tests as expensive at the dev call today so going to mark this as a draft for...

We discussed this during the developer call and would advise that you not support the `slack` suffix. This is old functionality that we don't intend to support in the new...