Masashi Umezawa graciously granted me write-access to the PunQLite wrapper repository. (Thanks, Masashi!) I've now added functionality to set Jx9 variables from Smalltalk.
Here's an example. The variable $inject is to be set from Smalltalk.
Here's the Smalltalk code:
Transcript should show "true". Round-trip set/get tests between Pharo and the Python wrapper by Charles Leifer were successful.
I added an assert-filled version of the above code as a unit test. Running the test by itself succeeds. Running it from Test Runner fails...
I won't go figure, though. I don't intend to spend any more time on Jx9. Using Jx9 with Smalltalk effectively requires managing Jx9 source as strings within Pharo. I might as well stick with SQLite and SQL strings in that case. If I must have key-value stores I can always use 2-column tables.
The Python wrapper carries this note: "The authors of UnQLite, Symisc, have informed me that UnQLite is no longer being developed actively."