Running a python script from a python script

Question

Imagine I have Python script, called 'script1.py', which simplies prints "Hello". I want to define a second script, 'script2.py' that runs 'script1.py'. 'script2.py' would return something like 'run('script1.py')'. In PowerShell, I then want to write something like

python3 script2.py

and return "Hello". Any easy way of doing this?

Using clipboard, one could simply whatever string I would like and paste it on PowerShell. However, this seems unnecessarily complicated. Any ideas on how to improve this?

@SembeiNorimaki I didn't gather that from the OP's question - I understood that they want to be able to run the content of script1.py by running script2.py - but I might have misunderstood. OP - can you clarify? — Vin
– Vin, Commented Nov 10, 2022 at 10:08
@Vineet In all honesty, subprocess might solve it, but I was looking for something similar and more straightforward. Apologies if this remains vague, but I am fairly new to python. — sam wolfe
– sam wolfe, Commented Nov 10, 2022 at 10:28

Vin · Accepted Answer · 2022-11-10 10:04:59Z

1

In script1.py:

print ('hello')

in script2.py:

import script1

Running script2 yields:

hello

answered Nov 10, 2022 at 10:04

Vin

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3 Comments

user20396240 Over a year ago

yes, that would work if the script is not inside a if __name__ == "__main__". Being just a script you might be able to run it like this, but libraries usually don't execute their code to imports.

sam wolfe Over a year ago

What if I want to run script1 multiple times? I tried nesting import script 1 in a for, but with no success. Any ideas?

Vin Over a year ago

In the example you've provided, the way to do that would be to write a function in script1.py, something like myfun = lambda: print ('hello'). Then, in script2.py, write from script1 import myfun, and then call myfun as often as you like inside script2.py. Do you have a specific use-case you'd like help with?

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