在Laravel中运行python脚本 [英] Running python script in Laravel

问题描述

因此，我正在尝试在Laravel 5.3中运行python脚本.

So, I am trying to run a python script in my Laravel 5.3.

此功能在我的控制器内部.这只是将数据传递到我的python脚本

This function is inside my Controller. This simply passes data to my python script

public function imageSearch(Request $request) {
    $queryImage = 'c:\\\xampp\\\htdocs\\\identificare_api\\\public\\\gallery\\\herbs\\\query.png'; //queryImage
    $trainImage = 'c:\\\xampp\\\htdocs\\\identificare_api\\\public\\\gallery\\\herbs\\\2nd.png'; //trainImage
    $trainImage1 = 'c:\\\xampp\\\htdocs\\\identificare_api\\\public\\\gallery\\\herbs\\\3rd.png';
    $trainImage2 = 'c:\\\xampp\\\htdocs\\\identificare_api\\\public\\\gallery\\\herbs\\\4th.jpg';
    $trainImage3 = 'c:\\\xampp\\\htdocs\\\identificare_api\\\public\\\gallery\\\herbs\\\1st.jpg';

    $data = array
        (
            array(0, $queryImage),
            array(1, $trainImage),
            array(3, $trainImage1),
            array(5, $trainImage2),
            array(7, $trainImage3),
        );

    $count= count($data);
    $a = 1;
    $string = "";

    foreach( $data as $d){
        $string .= $d[0] . '-' . $d[1];

        if($a < $count){
            $string .= ","; 
        }
        $a++;

    }

    $result = shell_exec("C:\Python27\python c:\xampp\htdocs\identificare_api\app\http\controllers\ORB\orb.py " . escapeshellarg($string));

    echo $result;
}

我的python脚本是一种ORB算法，在将火车图像与查询图像进行比较之后，它返回最小的距离及其ID.所以，这是我的python脚本:

My python script is an ORB algorithm where it returns the smallest distance and its id after comparing the train images to the query image. So, this is my python script:

import cv2
import sys
import json
from matplotlib import pyplot as plt

arrayString = sys.argv[1].split(",")

final = []

for i in range(len(arrayString)):
    final.append(arrayString[i].split("-"))

img1 = cv2.imread(final[0][1], 0)

for i in range(1, len(arrayString)):

    img2 = cv2.imread(final[i][1], 0)

    # Initiate STAR detector
    orb = cv2.ORB_create()

    # find the keypoints and descriptors with SIFT
    kp1, des1 = orb.detectAndCompute(img1,None)
    kp2, des2 = orb.detectAndCompute(img2,None)

    # create BFMatcher object
    bf = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=True)

    # Match descriptors.
    matches = bf.match(des1,des2)

    # Sort them in the order of their distance.
    matches = sorted(matches, key = lambda x:x.distance)

    # Draw first 10 matches.
    img3 = cv2.drawMatches(img1,kp1,img2,kp2,matches[:10], None, flags=2)

    if i == 1:
       distance = matches[0].distance
    else:
       if distance > matches[0].distance:
           distance = matches[0].distance
           smallestID = final[i][0]

print str(smallestID) + "-" + json.dumps(distance)

我已经尝试在不使用Laravel的情况下运行两个文件，并且运行良好.但是，当我尝试将php代码集成到我的Laravel中时，它什么也没有显示.状态代码为200 OK.

I already tried running both file without using Laravel and it is working well. But when I tried to integrate the php code to my Laravel, it displays nothing. The Status code is 200 OK.

编辑:问题已解决.在PHP代码中，只需更改

$result = shell_exec("C:\Python27\python c:\xampp\htdocs\identificare_api\app\http\controllers\ORB\orb.py " . escapeshellarg($string));

到

$result = shell_exec("python " . app_path(). "\http\controllers\ORB\orb.py " . escapeshellarg($string));

然后，您也可以这样做

$queryImage = public_path() . "\gallery\herbs\query.png";

推荐答案

使用Symfony进程. https://symfony.com/doc/current/components/process.html

Use Symfony Process. https://symfony.com/doc/current/components/process.html

安装:

composer require symfony/process

代码:

use Symfony\Component\Process\Process;
use Symfony\Component\Process\Exception\ProcessFailedException;

$process = new Process(['python', '/path/to/your_script.py']);
$process->run();

// executes after the command finishes
if (!$process->isSuccessful()) {
    throw new ProcessFailedException($process);
}

echo $process->getOutput();

这篇关于在Laravel中运行python脚本的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！