Launch python file from PHP on LINUX server

Question

I tried many solutions but nothing it works :

echo '<pre>';

shell_exec("python /home/folder/python/mapfile_compress.py");
shell_exec("sudo -u wwwexec python escapeshellcommand(/home/folder/python/mapfile_compress.py) $uid");
shell_exec("sudo chmod +x /home/folder/python/mapfile_compress.py");
system("bash /home/folder/python/mapfile_compress.py");
passthru("bash /home/folder/python/mapfile_compress.py");
passthru("/home/folder/python/mapfile_compress.py");
exec("bash /home/folder/python/mapfile_compress.py");

echo '</pre>';

I launched indivdually them but in all cases, Firebug returned : '<pre>'

So I tried this code founded on Stack Overflow :

$command = escapeshellcmd('chmod +x /home/folder/python/mapfile_compress_test.py'); echo $command; $output = shell_exec($command); echo $output;

But firebug returned nothing. My python file begin with #!/usr/bin/env python and if I launch it on server that works !

Do you knwo how can I launch my python file from PHP file ?

Robert · Accepted Answer · 2017-06-29 07:58:54Z

1

chmod will return 0 on success and > 0 on error.

Make sure that the file is able to run by just executing it as the web user. When +x is properly set, you can execute it by just calling $ /path/to/your/file.py, the shebang in the first line in your script #!/usr/bin/env python should define the correct python based on your env.

You can test this by running:

$ /usr/bin/env python /path/to/your/file.py

So check your file permissions to check if the file is executable by the user that runs the php script.

Just to test, you can just print a few lines in your python file

#!/usr/bin/env python

print "test line 1"
print "test line 2"

Then if you have verified permissions and the correct use of python, you can do this in your php.

$command = escapeshellcmd('/path/to/your/file.py');
$output = shell_exec($command); // get all output or use passthrough, exec will only return the last line.
echo "<pre>{$output}</pre>;

answered Jun 29, 2017 at 7:58

Robert

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3 Comments

Geo-x Over a year ago

Ok, so I try to use chmod from my php file with this code : chmod ("/home/folder/python/test.py"); but it's the same thing firebug return nothing

Robert Over a year ago

Do you have to use chmod from php? The file you are trying to execute should be available and executable on your server before executing it from php.

Geo-x Over a year ago

Yes I launched it from PHP file. I can only launch it from PHP file but on my PC, my python file : test.py works

arhu · Accepted Answer · 2017-06-29 07:47:36Z

0

At first, Do you have enabled shell_exec/system/passthru commands in php.ini?

shell_exec("python /home/folder/python/mapfile_compress.py");

I think, it could be problem with your $PATH. Try something like: (use full path to python)

shell_exec("/usr/bin/python /home/folder/python/mapfile_compress.py");
shell_exec("/usr/local/bin/python /home/folder/python/mapfile_compress.py");

answered Jun 29, 2017 at 7:47

arhu

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Comments

Geo-x · Accepted Answer · 2017-07-03 09:35:57Z

0

In my case that's work if I write this code :

$command = escapeshellcmd('python /path/to/your/file.py');
exec($command);

answered Jul 3, 2017 at 9:35

Geo-x

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