releasedocmaker/src/main/java/org/apache/yetus/releasedocmaker/ReleaseDocMaker.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 org.apache.yetus.releasedocmaker;

import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;

import org.python.core.Py;
import org.python.core.PyException;
import org.python.core.PySystemState;
import org.python.util.PythonInterpreter;

import org.apache.yetus.audience.InterfaceAudience;
import org.apache.yetus.audience.InterfaceStability;

/**
 * Jython-based interface to releasedocmaker.
 */

public class ReleaseDocMaker {
  /**
   *
   * This method calls the main() method of the shelldocs Python program.
   *
   * @param args argument string
   * @throws PyException standard exception thrown for Jython
   */

  @InterfaceAudience.Public
  @InterfaceStability.Evolving
  public static void main(final String[] args) throws PyException {
    List<String> list = new LinkedList<String>(Arrays.asList(args));
    list.add(0,"releasedocmaker");
    String[] newargs = list.toArray(new String[list.size()]);
    PythonInterpreter.initialize(System.getProperties(), System.getProperties(), newargs);
    PySystemState systemState = Py.getSystemState();
    PythonInterpreter interpreter = new PythonInterpreter();
    systemState.__setattr__("_jy_interpreter", Py.java2py(interpreter));
    String command = "try:\n "
                     + "  import releasedocmaker\n "
                     + "  releasedocmaker.main()\n"
                     + "except "
                     + "  SystemExit: pass";
    interpreter.exec(command);
  }
}