On 2023-12-28 05:20:07 +0000, rbowman via Python-list wrote: > On Wed, 27 Dec 2023 03:53:42 -0600, Greg Walters wrote: > > The biggest caveat is that the shared variable MUST exist before it can > > be examined or used (not surprising). > > There are a few other questions. Let's say config.py contains a variable > like 'font' that is a user set preference or a calibration value > calculated by A to keep with the thread title. Assuming both scripts are > running, how does the change get propagated to B after it is set in A
It isn't. The variable is set purely in memory. This is a mechanism to
share a value between multiple modules used by the same process, not to
share between multiple processes (whether they run the same or different
scripts)
> and written to the shared file?
Nothing is ever written to a file.
You could of course write python files from a python script (in fact I
do this), but that's not what this pattern is about, AFAICS.
hp
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