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My goal

is to run my python script using PHP. I have a start button on the front-end when I click on that button. It start a service.

Try #1

$command = escapeshellcmd("python ".public_path().'/python/start_clientsim.py 2>&1');
$result = exec($command);

Still not working

Try #2

$command = escapeshellcmd("python ".public_path().'/python/start_clientsim.py 2>&1');
$result = shell_exec($command);

Still not working

Try #3

chmod a+x start_clientsim.py

-rwxr-xr-x  1 bheng  staff  1154 May 17 19:42 start_clientsim.py

Re-tried still same result

Try #4

If I execute the command directly

python /Applications/MAMP/htdocs/code/site/portal/public/python‌/start_clientsim.py 2>&1

I got it to run perfectly fine.

enter image description here

Try #5

I tried with different python simple script

python /Applications/MAMP/htdocs/code/site/portal/public/python/print.py

print.py

# This program prints Hello, world!

print('Hello, world!')

I got

result: "Hello, world!"

Question

How would one go about and debug this further ?

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13
  • What's the value of public_path() ? You can try to provide the full path of the python binary, to find it, use, which python. What's the output of echo "python ".public_path()."/python/start_clientsim.py 2>&1" ? does this output runs without errors if pasted on the shell? Commented May 17, 2017 at 23:20
  • 2
    did you try to start the same script from the user running your webserver? It could be www-data, httpd, apache etc Commented May 17, 2017 at 23:28
  • @PedroLobito : python /Applications/MAMP/htdocs/code/benu/ssc-portal/public/python/start_clientsim.py 2>&1 Commented May 17, 2017 at 23:34
  • 1
    That means exec is available . It's propably about permissons, like @Marat suggested. Use chmod 0755 Commented May 18, 2017 at 0:22
  • 1
    @ihue to check if this is the case you need to find out the username. Then change to the desired user terminal (sudo su <username>) and run the desired command. If it works, then you can either chmod 755, or chown/chgrp service script to the <username>, or add username to the script group - there are many ways to give exec permissions Commented May 18, 2017 at 0:46

1 Answer 1

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1

One way of doing it is to write a PHP module in C that basically acts as a gateway to the python interpreter and then just feed everything through that. This would be much more efficient and is what I would do.

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5 Comments

Thank-you answering, but I am not a C expert, but I'll look into it though if I got nothing in the next couple days. :)
I mean what you basically do is make a PHP module in C that talks with the python DLL file or whatever much like the .exe file of the python interpreter would. Might need to take a look at the python source code to see how the .exe talks with the DLL though :). Or you could just invoke the execute commands in the PHP module but I dont recommend that the one I mentioned first would be much better
Obviously if we are talking linux then .SO file.
English please. jk. Your suggestion is very technical for me, and I completely respect that. But I just don't know where to start. I'll start with thank-you !
I mean ive only ever written a hello world PHP module. But these things aren't designed for people not to use them. They are designed well and I am sure you could pull something off this way. Might be overkill for what your doing and no problem :)

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