execute python programme in loop through windows command prompt

Question

So I have a python programme which looks something like this:

import blah blah balh

def main():
    blah blah blah 
    blah blah blah

if __name__ == "__main__":
    main()

The programme takes 2 arguments via eclipse.

But now I would like to run this programme in windows control prompt in a loop and change the 2 arguments dynamically.

I would like to do something like this:

arg1 = [a,b,c,d]
arg2 = [a,b,c,d]

for idx in range(0, len(mtds)):
    #pass in args to programme
    programme(mtds[idx], mdd[idx])

Is this possible?

Apologies in advance, I'm totally ignorant about this.

Stiffo · Accepted Answer · 2015-07-29 10:21:38Z

3

Here is how you loop in CMD:

for /l %x in (1, 1, 100) do (
   echo %x Prints the current iteration
   python myPythonscript.py input1 input2
)

Starts at 1, steps by 1 and ends at 100.

edited Jul 29, 2015 at 10:21

answered Jul 29, 2015 at 10:20

Stiffo

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4 Comments

Boosted_d16 Over a year ago

do I not have to use a line like "eclipse.exe" somewhere in that code? o ipy64? sorry Im totally ignorant on this front

Stiffo Over a year ago

No, not really. It is not eclipse that is executing your script, but rather the python interpreter, same as how eclipse would run the cygwin compiler for you when coding C/C++. "python myPythonScript.py input1 input2" would launch the script "myPythonScript.py" with the given variables input1 and input2. Eg. you could there give arrays or strings as input.

Boosted_d16 Over a year ago

ahh okay, I got it working! So input1 and input2 takes a single string, how do I use an array to replace whats being passed in these two arguements?

Stiffo Over a year ago

I believe it will always be treated as a string, so you would need to convert it into an array, eg. by checking for arguments and then converting the specific argument. Here's a post about it: stackoverflow.com/questions/7605631/…

Andersson · Accepted Answer · 2015-07-29 11:06:09Z

1

If you want to loop your programm's main() function for a certain amount of times with 2 arguments then you can add some strings:

import sys
first_arg = sys.argv[1]
second_arg = sys.argv[2]
times_to_loop = sys.argv[3]
import blah blah balh

def main():
    blah blah blah 
    blah blah blah

for i in range(int(times_to_loop)):
    main(first_argv, second_argv)

and run your programm from cmd as python programm.py 1 2 10.

This will run your programm 10 times with 1 as first argument and 2 as second

answered Jul 29, 2015 at 11:06

Andersson

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1 Comment

Boosted_d16 Over a year ago

This was the first thing I did however I the programme file to remain totally fixed.no new code or edits.

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