Qfyilyi

I want to execute Python scripts in RStudio (this is not about calling Python via reticulate in R scripts this is about running Python scripts in RStudio although reticulate is used, as I see). I have a very simple script called test.py that has the following command:

print("test")

When I run this command RStudio uses Python 2.7 instead of system default 3.6:

> reticulate::repl_python()

Python 2.7.15 (/usr/bin/python)

Reticulate 1.10 REPL -- A Python interpreter in R.

>>> print("test")

test

>>> 

>>> 

How to force RStudio to use default system Python version (3.6 in my case) instead of 2.7?

Default version of Python:

username@usernameVB:~$ python

Python 3.6.7 (default, Oct 22 2018, 11:32:17) 

[GCC 8.2.0] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>> 

Edit: I found this workaround: go to console and before running Python script execute following commands:

> library(reticulate)

> use_python("/usr/bin/python3")

Then, execute your Python script (and it picks up correct Python version):

> print("test")

[1] "test"

> 

> reticulate::repl_python()

Python 3.6.7 (/usr/bin/python3)

Reticulate 1.10 REPL -- A Python interpreter in R.

>>> 

There seems to be an issue raised about this topic: https://github.com/rstudio/rstudio/issues/3385