aquasync commented on issue #40073:
URL: https://github.com/apache/arrow/issues/40073#issuecomment-1942961404
After some more digging, I think that the cause is indeed the two
"arrow.dll" files. Loading the python package first works because the R
"arrow.dll" is loaded directly, whereas the pyarrow version is loaded
indirectly by being dependencies of the .pyd files.
I tried a hacky solution of renaming the python one to "xrrow.dll", and
running `sed -i.bak 's/arrow.dll/xrrow.dll/g'` on the .pyd files in the
directory, and it now "works" when loading the R package first:
```
> library(arrow)
> library(reticulate)
...
> pa = import('pyarrow')
> pa
Module(pyarrow)
```
Perhaps the easiest solution then is for the R library to use a different
name for its dll, though I'm not sure if it has to match the package name or if
that is just a convention? Alternatively perhaps dll manifests can be used on
the python side.
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