On Thu, 2009-04-09 at 21:45 -0500, Mark Larsen wrote:
> Hate to keep replying to my own message but...
>
> I thought I'd throw a newer version of R at this problem. My above
> errors are with 2.7.1 and I thought I'd test with 2.8.2 (my
> development box, where all works well is at 2.7.2). I kept my main
> 2.7.1 install in /usr/lib64 and installed 2.8.2 into /usr/local/lib64.
> I hacked setup.py to compile rpy2 against 2.8.2.
Where was the hack needed ?
Setting your target R as the first one found in the PATH should be
enough.
Combining that with the use of --prefix during the install step, then
with PYTHONPATH for testing purposes is looking to me like a safe way to
split things.
> I then tried:
>
> % export R_HOME="/usr/local/lib64/R"
> % python
>
> >>> import rpy2.robjects as ro
> Error in capabilities("aqua") :
> 0 arguments passed to .Internal(capabilities) which requires 1
> In addition: Warning messages:
> 1: package 'methods' was built under R version 2.8.1
> 2: package 'datasets' was built under R version 2.8.1
> 3: package 'utils' was built under R version 2.8.1
> 4: package 'grDevices' was built under R version 2.8.1
> Error : .onLoad failed in 'loadNamespace' for 'grDevices'
> Error in capabilities("aqua") :
> 0 arguments passed to .Internal(capabilities) which requires 1
> In addition: Warning messages:
> 1: package grDevices in options("defaultPackages") was not found
> 2: package 'graphics' was built under R version 2.8.1
> Error : .onLoad failed in 'loadNamespace' for 'grDevices'
> Error in capabilities("aqua") :
> 0 arguments passed to .Internal(capabilities) which requires 1
> In addition: Warning messages:
> 1: package graphics in options("defaultPackages") was not found
> 2: package 'stats' was built under R version 2.8.1
> Error : .onLoad failed in 'loadNamespace' for 'grDevices'
> During startup - Warning message:
> package stats in options("defaultPackages") was not found
> >>>
>
> Is there a way to use rpy2 with multiple version of R installed?
>
> Thanks,
> Mark
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