Execute python script with output from php

Question

Is there any special permission or setting in order to execute a python script that create a new file or image? This is my code:

<?
function py(){
    exec( 'python my_script.py');
    echo "ok";
}

py();
?>

And this is my python script (an example):

#!/usr/bin/python
import sys

f = open('out.txt', 'w')
print >> f, 'thats all'
f.close()

Running php i get "ok" message but no file is created. What am i doing wrong?

PHP should be executed by user www-user. So the Python script would be stared from the same user. Does www-user has the desired permissions to execute the Python script and access file-system for file-creation? — albert
– albert, Commented Sep 19, 2016 at 18:23
I have never done this since I am not a PHP user so everything I am talking about is just mind-based. First you should find out which user is the owner of the folder and the script you want to access. If this is not www-user you could either change the user to www-user or pass the desired user name to the exec command as shown here — albert
– albert, Commented Sep 19, 2016 at 18:27

slash89mf · Accepted Answer · 2016-09-20 07:42:35Z

1

Setting the right permissions to file and folders did the trick.

On Mac OS: Alt + Click on "+", then search for _www and add World Wide Web Server to users giving read and write permission. Same for the root folder.

answered Sep 20, 2016 at 7:42

slash89mf

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Comments

NSNoob · Accepted Answer · 2016-09-20 12:34:12Z

0

You need to call shell_exec() not exec() if you want to be able to capture the output:

Refernce: PHP Manual

edited Sep 20, 2016 at 12:34

NSNoob

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answered Sep 19, 2016 at 20:16

Mike Mannakee

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2 Comments

Goose Over a year ago

This is more of a way to debug, so it should be a comment, if I'm understanding correctly.

slash89mf Over a year ago

I don't need to capture output, i want python script to execute and create files. In fact using shell_exec() has no effect

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