import http.client
hcpConn2 = "http://xx.xxx.xxx.xxx/xxxxxx/api/ServiceCopyFile/"

metadatos = {a:1, b:2, c:3}


conn = http.client.HTTPConnection(hcpConn2, 8080)
        conn.request("PUT", "/rest", metadatos)
        resp = conn.getresponse()
        print(resp.status, resp.reason)