Supress operator output #Blender

blender-suppressOperatorOutput.py

# for http://blender.stackexchange.com/questions/56087/check-if-an-operation-can-be-applied-without-runtime-errors

import bpy
    
import io
from contextlib import redirect_stdout

if bpy.ops.mesh.fill_grid.poll():
    print("correct context")
else:
    print ("incorrect context")
    
stdout = io.StringIO()
with redirect_stdout(stdout):
    try:
        bpy.ops.mesh.fill_grid()
    except:
        pass

stdout.seek(0)
output = stdout.read()
print("Report was %r" % output)