Python API output to screen

[jordi nosaurio]

Hello OpenVSP community,

First thank you very much for this very nice piece of software, it is making our life much easier.

It is a way to stop vspaero to output convergence results to screen using the python API?. It is a nice feature for debugging but sometimes it gives "IOstream flush time out". I guess it is having trouble to synchronize the vspaero text output to the screen. I guess it is also a solution to redirect the output to a file, but I do not know how to do it.

thank you!

jorge

[Rob McDonald]

You will need to redirect the output using Python.  There is no way to suppress the output from VSPAERO.

Rob

[jordi nosaurio]

May I recompile vspaero with this feature added right?, although Python redirecting seems more straightforward, thank you!

[Rob McDonald]

You could in theory.  However, VSPAERO has hundreds of print statements.  Some go to file, others to the console.  You would need to redirect all of the ones to console to something else....  This would be a giant pain.

This is the exact reason that operating systems (and scripting languages) have the ability to redirect output.

Rob

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[jordi nosaurio]

Hello, just in case someone is interested

From this post: https://groups.google.com/d/msgid/openvsp/63e5c783-17cc-4ac7-a7b3-7f4a1a65a768n%40googlegroups.com.

And this solution: https://stackoverflow.com/a/68668597

I came up (really, they did) with something that seems to be working:

#import packages

from contextlib import redirect_stdout
from wurlitzer import sys_pipes

#when executing vspaero use the redirection

with open('log.txt', 'a') as f:
    with redirect_stdout(f), sys_pipes():
         resId = vsp.ExecAnalysis('VSPAEROSweep')

The output of vparero will be outputted to log.txt

Cheers