I made this script to convert a soapui REST project to a robot framework format (text). REST invocations use Lib RESTintance. This script is a version 0.1 (if you use it, probably it won't work!).
Use it like this:
python soapui_to_robot.py soapuiproject.xml testfile.robot
Example output
*** Settings ***
Library REST https://site.apixyz.com/ ssl_verify=false
*** Variables ***
${default-TPP-Transaction-ID} 32431241324
${default-TPP-Certificate} ggfgsfdgsfdgsf==
${default-TPP-Request-ID} AAAVVVCCC1234567896f35c77eac1381d9
*** Keywords ***
Get client info
[Arguments] ${TPP-Transaction-ID}=${default-TPP-Transaction-ID}
... ${TPP-Certificate}=${default-TPP-Certificate}
... ${TPP-Request-ID}=${default-TPP-Request-ID}
Set Headers { "TPP-Transaction-ID": "${TPP-Transaction-ID}"}
Set Headers { "TPP-Certificate": "${TPP-Certificate}"}
Set Headers { "TPP-Request-ID": "${TPP-Request-ID}"}
GET /v1/getclient