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From Wes McKinney <>
Subject Re: Sharing a C++-level pointer between Python and R
Date Sun, 03 Jan 2021 00:20:12 GMT
We can go R to/from Python from an R perspective with reticulate

There are unit tests attesting to this working:

However, I don't know of anyone trying to get interop from a Python
perspective with rpy2; there may be a small amount of plumbing needed
to get it working, others may know more.

On Sat, Jan 2, 2021 at 5:20 PM Laurent Gautier <> wrote:
> Hi,
> I am looking at sharing a pointer between Python and R. For example create an Arrow object
with Python, perform initial filtering, and then pass a shared pointer to R through rpy2 (meaning
that an R6 object is created from this pointer and R package arrow).
> I found in the source a file that suggest thats Python-to-R is either planned or may
be even already functional:
> However, I did not find documentation about it.
> Would anyone here know more about this?
> Best,
> Laurent

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