Bash script to run python script in virtualenv

Question

I'm creating PHP application which need to run python script. I must use virtualenv. In project catalog i've created env directory and inside created virtual env named python. In another catalog i've put script i'd like to run and this bash script:

#!/bin/bash

app="$(pwd)/../"
pythonEnv="${app}env/python/"
source ${pythonEnv}"bin/activate"
"${pythonEnv}bin/python" "${app}scripts/script.py arg1 arg2"

But when i run this script (using terminal so far) i got this error:

/var/www/project/scripts/../env/python/bin/python: can't open file '/var/www/project/scripts/../scripts/script.py arg1 arg2': [Errno 2] No such file or directory

Of course there is script.py in scripts directory and has right access permissions:

-rwxrwxr-x

What am I doing wrong?

check the directory. I assume directory is not right.. check where you put your script. — orvi
– orvi, Commented Feb 15, 2017 at 18:33
@orvi I was copying path from error and it's work, so directories are right — Robin71
– Robin71, Commented Feb 15, 2017 at 18:37

Zaccharie Ramzi · Accepted Answer · 2017-02-15 18:43:48Z

3

Reading your error message, it appears that the interpreter thinks that the file is /var/www/project/scripts/../scripts/script.py arg1 arg2 and not simply /var/www/project/scripts/../scripts/script.py. You should separate arg1 and arg2 from the file name.

Also, I think you can just write python instead of "${pythonEnv}bin/python" once you activated your virtual environment.

answered Feb 15, 2017 at 18:43

Zaccharie Ramzi

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AlG · Accepted Answer · 2017-02-15 18:43:55Z

2

Due to your quoting, you are trying to call "${app}scripts/script.py arg1 arg2" as the script name - which does not exist. You can change your script to fix it:

${pythonEnv}bin/python ${app}scripts/script.py arg1 arg2

Adjust your quoting as needed, but keep it specific. For example, if you need to quote your pythonEnv variable do "${pythonEnv}".

answered Feb 15, 2017 at 18:43

AlG

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