Python snippet for calling a REST service on the KNIME Server
| # Define some generic functionality for accessing web services from the KNIME server | |
| import requests,json | |
| from requests import auth | |
| def call_KNIME_WebService(serviceName,values,user,pw,baseURL="http://YOUR_SERVER_NAME_HERE:8080/webportal/rest/v4/repository/"): | |
| url = "%s%s:job-pool"%(baseURL,serviceName) | |
| authd = auth.HTTPBasicAuth(user,pw) | |
| reqbody = json.dumps({"input-data":{"jsonvalue":qry}}) | |
| resp = requests.post(url,auth=authd,data=reqbody,headers={"Content-Type":"application/json"}) | |
| if resp.ok and resp.status_code==200: | |
| outvs = resp.json()['outputValues'] | |
| return tuple(outvs.values()) | |
| raise RuntimeError(resp.status_code) |
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