Hi Michael,
idm_rw.py is simply a class that is fed stdin and processes and returns the
input via stdout.
The sqlalchemy imports at the top are leveraged within the classes init
method for configuration
queries.

There are two plugins like this, each one is invoked in a fresh process and
loads the sqlalchemy
classes. During normal running, the plugins are fired up several times
repeatedly and process
many streams of stdin, so the main code from my module in the earlier post
where I construct the
tables gets imported into each plugin every startup.

The plugins are isolated from each other as the interpreter is launched in
its own process every
time stdin is required to be processed. I am certain neither knows of the
other.

Thanks for all the patience!
jlc

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