Could not run python script using PHP

Question

I could obtain the output (in text file) of a python file by executing it on the command line, but was not able to obtain the output (in text file) by executing it using php exec(). What did i do wrongly?

this is my python file (example.py):

inputfile = open("input.txt",r)
data = inputfile.read()
inputfile.close()

outputfile = open("output.txt","w")
outputfile.write(str(data))
outputfile.write(str(data))
outputfile.close()

this is my php file (example2.php):

<?php 
$string = "hello";
file_put_contents('input.txt', $string);
exec('python example.py');
$result = file_get_contents('output.txt');

i typed this on the commandline and it worked:

python example.py

use shell_exec().. Here is answer: running-python-script-in-php-capture-all-outputs — Murad Hasan
– Murad Hasan, Commented Jul 3, 2017 at 7:09
@KlausD. Thanks for the advice. It helped partially. The solution will be posted. below. — stephanie
– stephanie, Commented Jul 3, 2017 at 9:39

stephanie · Accepted Answer · 2017-07-03 09:38:20Z

0

The problem is solved by executing a bat file in php to run the python script.

exec('cmd /c ./path/run_example.bat')

this is the bat file i wrote:

cd C:\Users\Username\AppData\Local\Programs\Python\Python36 # very important if you are runnning it on a server.
python --version # make sure the version is the same as what you expected
python C:\path\example.py

answered Jul 3, 2017 at 9:38

stephanie

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