How to run python script with arguments in python 3 interpreter?

Question

I am using PyZo(with python3.5) and dont know how to run a script with arguments from PyZo's python interpreter - or from python interpreter in general. I found following working example here for python3 but dont know how to pass arguments (e.g. csv file input_data.csv) to the script

>>> exec(open("./script.py").read())

This is working in iPython:

In [1]: run script.py input_data.csv

What is the python 3 equivalent of the iPython command above ?

Thanks

Note 1

When running a script with arguments from an OS command line you type this:

$ python script.py input_data.csv

What I would expect when using python interpreter is being able to run a python script e.g. like this:

>>> script.py input_data.csv

i.e. without calling python executable, or using 'exec(open("./script.py").read())', etc. For me running a script with arguments is very fundamental thing to do but apparently not for majority of users.

Possible duplicate of Python: Run function from the command line — Sergey Shubin
– Sergey Shubin, Commented May 5, 2017 at 9:54
i want to run a script from a python interpreter not OS command line — francek
– francek, Commented May 5, 2017 at 10:05
The "python3 equivalent" is either (i) to install IPython for Python 3 and just use it, or (ii) (somewhat more clunkily) set sys.argv=['script.py', 'input_data.csv'] by hand before executing the content of script.py. But I think what you really want is the PyZo equivalent of IPython's run. I wouldn't be surprised to learn that that exists in some form but it's a PyZo-specific question. — jez
– jez, Commented May 5, 2017 at 14:37

user7711283 · Accepted Answer · 2017-05-05 14:11:09Z

2

>>> import subprocess
>>> subprocess.run('python script.py input_data.csv', shell=True)

answered May 5, 2017 at 14:11

user7711283

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2 Comments

francek Over a year ago

i am liking this Claudio, have not seen this elsewhere

JeopardyTempest Over a year ago

Sounds like a nice idea, but it fails in what I see as a key benefit of running something from interpreter, the ability to further access/experiment with the variables afterwards, as this is spawning a separate process.

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