Return values from python script to R and storing those values in `R`

Question

Basically,

I managed to execute a python script within R. However, I have no idea how to return those values from the python script to R and store those values in R, especially when I have multiple functions in the python script.

What should I add to the python script to make this process possible ?

note: Suppose I pass in the arguments python test.py arg1 arg2 arg3 from R to python at the beginning.

This the test.py I have written below.

#!/usr/bin/python

import sys


jd = sys.argv
def testing(jd):
    print 'Number of arguments:', len(jd), 'arguments.'
    print 'Argument List:', str(jd)
    return jd

def testing2():
    return 123123


testing(jd)
testing2()

Can you add the R code you use to call this?

MrFlick
– MrFlick

2014-07-03 18:02:42 +00:00
Commented Jul 3, 2014 at 18:02 — MrFlick
– MrFlick, Commented Jul 3, 2014 at 18:02
Is the R code relevant ?

mynameisJEFF
– mynameisJEFF

2014-07-03 18:05:42 +00:00
Commented Jul 3, 2014 at 18:05 — mynameisJEFF
– mynameisJEFF, Commented Jul 3, 2014 at 18:05

eddi · Accepted Answer · 2014-07-03 19:44:46Z

1

Not very clear what you want. Capturing simple output is easy:

a = system('python -c "print \\"test\\""', intern = TRUE)
a
#[1] "test"

answered Jul 3, 2014 at 19:44

eddi

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Comments

Thomas of the Scotts · Accepted Answer · 2014-07-03 18:24:56Z

0

I'd suggest checking out R/SPlus here: http://www.omegahat.org/RSPython/

It supports calling Python scripts and functions in modules etc. and returns values as an SEXP which is an R generic datatype.

answered Jul 3, 2014 at 18:24

Thomas of the Scotts

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