PythonInterp.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package streaming.jython;

import org.python.core.Py;
import org.python.core.PyObject;
import org.python.core.PyString;
import org.python.util.PythonInterpreter;

import java.util.Properties;

/**
 * Created by allwefantasy on 28/8/2018.
 */
public class PythonInterp {

    private static PythonInterpreter pi = null;

    static {
        Properties props = new Properties();
        props.put("python.import.site", "false");
        Properties preprops = System.getProperties();
        PythonInterpreter.initialize(preprops, props, new String[0]);
        pi = new PythonInterpreter();
    }

    public static PyObject compilePython(String src, String methodName) {
        PyString code = Py.newStringUTF8(src);
        pi.exec(code);
        return pi.get(methodName);
    }

}