Communication between database and the Python app - mini password-taking system

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Hello, I am learning python and I decided to do a mini project, a simple system of chips, while I thought about the subject came me some doubts and I could not find anything about.

The program would work as follows, the person takes a plug that is registered in a DB, the plug appears on the panel and the attendant, doubts are:

How the dashboard and the attendant know that the person took a chart?

I would have to create a loop thread asking DB if something was added? where can I find documentation on the subject? I don’t know if this is a good solution.

Would it be possible for DB to warn the program in any way if the table/column was changed? if yes where I can find documentation on the subject?

I thank you all.

mysql database python

  • What you tried so far?

  • Why does the attending have to know someone took a file? Usually when the attending goes free, he asks for a chart, so I think it makes more sense. When he asks for a chip, you go to the database and look for created and missed chips.

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If VC is using Django, you can use Signals. Otherwise, the same can be done with an independent ORM, such as Sqlalchemy, which has the Events as the equivalent of Django’s Signals.

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