com.datastax.util.scipt.PythonRunner Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of commons-io Show documentation
commons-io
The newest version!
package com.datastax.util.scipt;

import com.datastax.util.lang.ProcessUtil;

import java.io.IOException;

public class PythonRunner {
    public static void main(String[] args) throws IOException {
        pythonRun("/home/dataexa/Workspace/Python/TensorFlow/TensorFlow-Tutorials/02_logistic_regression.py");
    }

    /*static {
        Properties props = new Properties();
        props.put("python.home", "/usr/bin/python");
        props.put("python.console.encoding", "UTF-8");
        props.put("python.security.respectJavaAccessibility", "false");
        props.put("python.import.site", "false");
        Properties preprops = System.getProperties();

        PySystemState sys = Py.getSystemState();
        //sys.path.add("/usr/local/lib/python2.7/dist-packages/tensorflow");

        PythonInterpreter.initialize(preprops, props, new String[0]);
    }*/

    public static void pythonRun(String pyFile,String...parameters){
        ProcessUtil processUtil=new ProcessUtil();
        StringBuffer stringBuffer=new StringBuffer();
        stringBuffer.append("python "+pyFile);
        if(parameters!=null && parameters.length>0){
            for(String param : parameters){
                stringBuffer.append(" "+param);
            }
        }
        processUtil.execute(stringBuffer.toString());
        for(String line : processUtil.getStdoutList()){
            System.out.println(line);
        }
    }


    /*public static void pythonExecute(String filePath) throws IOException {
        PythonInterpreter pin = new PythonInterpreter();
        InputStream is = new FileInputStream(filePath);
        pin.execfile(is);
        is.close();
    }

    *//**
     * 获取python程序的变量值
     * @param filePath
     * @param ponames
     * @return
     * @throws IOException
     *//*
    public static List transP2JData(String filePath, String...ponames) throws IOException{
        PythonInterpreter pin = new PythonInterpreter();
        InputStream is = new FileInputStream(filePath);
        pin.execfile(is);
        is.close();
        List pos = new ArrayList<>();
        for (String poname : ponames) {
            PyObject po = pin.get(poname);
            pos.add(po);
        }
        return pos;
    }

    *//**
     * 将参数赋给python程序执行
     * @param filePath
     * @param pomaps
     * @throws IOException
     *//*
    public static void transJ2PData(String filePath, Map pomaps) throws IOException {
        PythonInterpreter pin = new PythonInterpreter();
        InputStream is = new FileInputStream(filePath);
        for (String pomapkey : pomaps.keySet()) {
            pin.set(pomapkey, pomaps.get(pomapkey));
        }
        pin.execfile(is);
        is.close();
    }

    *//**
     * 将参数赋给python程序执行,并获取python中的变量值
     * @param filePath
     * @param pomaps
     * @param ponames
     * @return
     * @throws IOException
     *//*
    public static List transJ2PData(String filePath, Map pomaps, String...ponames) throws IOException {
        PythonInterpreter pin = new PythonInterpreter();
        InputStream is = new FileInputStream(filePath);
        for (String pomapkey : pomaps.keySet()) {
            pin.set(pomapkey, pomaps.get(pomapkey));
        }
        pin.execfile(is);
        is.close();
        List pos = new ArrayList<>();
        for (String poname : ponames) {
            PyObject po = pin.get(poname);
            pos.add(po);
        }
        return pos;
    }*/
}