python

Is this the way to validate Django model fields?

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As I understand it, when one creates a Django application, data is validated by the form before it’s inserted into a model instance which is then written to the database. But if I want to create an additional layer of protection at the data model layer, is what I’ve done below the current “best practice?” I’m trying to ensure that a reviewer’s name cannot be omitted nor be left blank. Should I be putting any custom validation in the ‘clean’ method as I’ve done here and then have ‘save’ call ‘full_clean” which calls ‘clean’? If not, what’s the preferred method? Thanks.

Write opencv frames into gstreamer rtsp server pipeline

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I’m trying to put opencv images into a gstreamer rtsp server in python.
I have some issue writing in the mediafactory, I’m new to gst-rtsp-server ancd there’s little documentation so I don’t know exactly if I’m using the right approach. I’m using a thread to start the MainLoop and I’m using the main thread to create a buffer to push in the appsrc element of the mediafactory pipeline. Am I using the right approach to obtain my objective? Can anyone help me? My code is below:

Multiple conditions with if/elif statements

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I’m trying to get an if statement to trigger from more than one condition without rewriting the statement multiple times with different triggers. e.g.: if user_input == "look": print description if user_input == "look around": print description How would you condense those into one statement? I’ve tried using ‘or’ and it caused any raw_input at … Read more