Can i only change the xyz.py file but not xyz.pyo to extend the module functionality?

[William]

There are many modules under '$Splunk\share\splunk\search_mrsparkle\modules'. And the module consists of .js, .html, .css, .conf, .py, and .pyo files.

So, for the module which has .py and .pyo files, such as 'EventsViewer', can I just modify the EventsViewer.py but not the EventsViewer.pyo to extend the functionality to some extent? Because it is not that easy to compile python files under splunk framework?

[gkanapathy · Accepted solution]

First of all, it's not supported to modify it. Upgrades will overwrite it, documentation is not provided, and you will not get help from Splunk Support with it. If you want, perhaps you can copy and create a new version to use. Second, yes, you only need to modify the .py files. .pyo files are generated when they are out of date with respect to .py files. Also, there is no point in compiling Python for the Splunk UI, other than the possibly some marginal improvement improvement in time to start the server or load a page for the first time.

[Johnvey · Accepted solution]

You don't have to worry about PYC or PYO files -- those are automatically generated by the Python interpreter upon startup. If you delete all the PYC or PYO files, they will simply be regenerated as needed. The difference between the 2 is only how fast they load, not how fast they execute.

For more information on compiled Python, read this explanation by Guido.

[gkanapathy · Accepted solution]

First of all, it's not supported to modify it. Upgrades will overwrite it, documentation is not provided, and you will not get help from Splunk Support with it. If you want, perhaps you can copy and create a new version to use. Second, yes, you only need to modify the .py files. .pyo files are generated when they are out of date with respect to .py files. Also, there is no point in compiling Python for the Splunk UI, other than the possibly some marginal improvement improvement in time to start the server or load a page for the first time.