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I'm trying to execute a python script from Drupal using this:

exec('/usr/bin/python name_of_the_script.py')

But it does not work. Although, if I'm on the php console (php -a), then it works fine.

The name_of_the_script.py file has all the permissions.

I thought maybe it was the python command that didn't have all the permissions.

So I checked it with this command:

which python
ls -lisa /usr/bin/python

694 0 lrwxrwxrwx 1 root root 9 2011-03-09 18:41 /usr/bin/python -> python2.6

Similarly I also used this command:

ls -lisa /usr/bin/python2.6

369 2240 -rwxr-xr-x 1 root root 2288240 2010-04-16 10:06 /usr/bin/python2.6

It seems everything is OK.

Do you have any suggestions?

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  • Executing an external script in Drupal is not different from executing it from PHP, as Drupal doesn't have specific functions.
    – apaderno
    Aug 21, 2011 at 11:49

2 Answers 2

1

Adding 2>&1

exec('/usr/bin/python script.py 2>&1');

Pointed me to the right direction.

I was writting in a file ( inside the script that hadn't enough permissions )

chmod 666 name_of_the_file.txt totally solved the issue!

Thanks!

0

Most likely it's a permission of your webserver that is causing this. You should take care as things could turn out badly should your drupal site be compromised.

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