CODEWITHSUNDEEP
rreticulate
Paweł Kozielski-Romaneczko
Paweł Kozielski-Romaneczko

Reputation: 1118

ModuleNotFoundError: No module named 'rpytools' while using reticulate library

Hi this is my first stackoverflow question so sorry in advance for any mistakes. I am trying to start playing with R reticulate library. I have installed the package, and tried to import os Python module. Everything seemed to be ok, but then while I start typing for example os$listdir R throws this error: Error in py_module_import(module, convert = convert) : ModuleNotFoundError: No module named 'rpytools'. Here is my entire code:

install.packages("reticulate")
library(reticulate)
os <- import("os")
os$listdir("")

Here is my output of py_config() :

python:         C:\PROGRA~3\ANACON~1\python.exe
libpython:      C:/PROGRA~3/ANACON~1/python36.dll
pythonhome:     C:\PROGRA~3\ANACON~1
version:        3.6.1 |Anaconda 4.4.0 (64-bit)| (default, May 11 2017, 13:25:24) [MSC v.1900 64 bit (AMD64)]
Architecture:   64bit
numpy:          C:\PROGRA~3\ANACON~1\lib\site-packages\numpy
numpy_version:  1.12.1
os:             C:\PROGRA~3\ANACON~1\lib\os.py

and py_available(TRUE) returns TRUE...

Please write me if there is any additional info needed.

Upvotes: 5

Views: 6290

Answers (3)

schmitzi89
schmitzi89

Reputation: 65

I had the same problem in windows and what helped me was to manually add the path to reticulate python to the PYTHONPATH ennvironment variable.

In R you get the path to reticulate python with:

paste0(system.file(package = "reticulate"),"/python")

Create the PYTHONPATH environment variable in the windows system environment variable settings if it doesnt exist. Add the result from the command above to the PYTHONPATH ennvironment variable path. Save and restart RStudio.

Upvotes: 0

PVic
PVic

Reputation: 459

I was able to get this resolved for my work computer. I'm not sure if it's the reason, but I noticed that my R.exe & python.exe were saved in different driver names. One in C: & the other in X:. So, what I did was uninstall R & python then saved them both into the same driver. This is how I resolved my issue.

Upvotes: 0

strangeloop
strangeloop

Reputation: 193

The short answer is you need to use RStudio version 1.2 or higher, currently only available as a preview release, to get experimental reticulate support.

Support for reticulate in current RStudio stable releases (<1.2) is pretty flaky and any hope of using RStudio <1.2 as a Python IDE falls apart as soon as you try to work with imported modules. This is mentioned as an offhand comment in the reticulate docs:

Note that the RStudio v1.2 preview release includes support for using reticulate to execute Python chunks within R Notebooks. See the RStudio IDE Tools for reticulate article for additional details.

Your code doesn't throw an error in RStudio 1.2:

> library(reticulate)
> os <- import("os")
> os$listdir()
 [1] ".Rhistory"         ".Rproj.user"

Upvotes: 3

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