How to call a Python function from a Tcl script

Question

I have a Python script, say pyscr.py. Let's say this file defines the following function:

def f1() :
    print ('python func executing')

How do I call this function f1 from a Tcl script?

I don't know the python syntax, but you'd do something like set python_output [exec python -c {import "pyscr.py"; f1}] — glenn jackman
– glenn jackman, Commented Jan 20, 2016 at 21:11

Mogsdad · Accepted Answer · 2016-01-20 17:15:35Z

1

You need to write a Tcl script to define a procedure to execute a Python script, and then call the procedure. Try this:

#! /usr/bin/tclsh
proc call_python {} {
    set output [exec python pyscr.py]
    puts $output
}

call_python

edited Jan 20, 2016 at 17:15

Mogsdad

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answered Jan 20, 2016 at 16:45

user 12321

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6 Comments

user3282758 Over a year ago

This only executes the python module. I am not interested in executing the module alone. I am looking for invoking the python function f1 from tcl script

user3282758 Over a year ago

I get the error can't find package tclpython. I tried to install tclpython as apt-get install tclpython , but this says can not find package tclpython

user 12321 Over a year ago

are you using windows?

user 12321 Over a year ago

Tha't why, tclpython only works on windows, you can find the info here: wiki.tcl.tk/5630

user3282758 Over a year ago

so is there something on linux which can serve the purpose

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