set environment variable in python script

Question

I have a bash script that sets an environment variable an runs a command

LD_LIBRARY_PATH=my_path
sqsub -np $1 /homedir/anotherdir/executable

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Answer 1

You can add elements to your environment by using

os.environ['LD_LIBRARY_PATH'] = 'my_path'

and run subprocesses in a shell (that uses your os.environ) by using

subprocess.call('sqsub -np ' + var1 + '/homedir/anotherdir/executable', shell=True)