[英]Can't execute python script that imports cv2.so from php
我正在嘗試從php運行用於圖像處理的python腳本
PHP腳本
<?php
echo exec('echo $PATH ');
putenv("PATH=/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/user/.local/bin:/home/user/bin");
echo "<br>";
echo exec('echo $PATH');
echo "<br>";
echo exec('whoami');
echo "<br>";
echo exec('/usr/bin/python /var/www/html/wordspot/uploads/editimage1.py /var/www/html/wordspot/uploads/test.jpg 2>&1'); ?>
python腳本
import sys,getopt
import numpy as np
import cv2
imname=str(sys.argv[1])
print imname
img=cv2.imread(imname,0)
ret,thresh1 = cv2.threshold(img,127,255,cv2.THRESH_BINARY)
cv2.imwrite(imname,thresh1)
而在終端上執行“ php test.php”時,它可以工作(我以root用戶身份運行)
在瀏覽器上我得到此輸出
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/user/.local/bin:/home/user/bin
apache
ImportError: libopencv_core.so.3.0: cannot open shared object file: No such file or directory
我認為導入cv2.so導致此錯誤(例如,在hello world python示例中運行),我該怎么做才能使apache用戶可見的opencv庫?
編輯解決方案:在/etc/ld.so.conf.d/opencv.conf
添加庫的路徑並executing ldconfig -v
將錯誤更改為"ImportError: libopencv_core.so.3.0: cannot enable executable stack as shared object requires: Permission denied"
用setenforce 0
禁用SELinux后,它開始工作。 (這將在重啟后無法幸存,需要從/etc/selinux/config
SELINUX=disabled
並更改為SELINUX=disabled
,或者在SELinux中提供正確的權限以允許訪問該庫。)
libopencv_core.so.3.0
在哪里? 如果位於/usr/local/lib
,請在執行程序之前嘗試像這樣設置LD_LIBRARY_PATH
:
putenv("LD_LIBRARY_PATH=/usr/local/lib");
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