[Rd] Where to drop a python script?

Paul Gilbert pgilbert902 at gmail.com
Thu Oct 31 16:33:38 CET 2013

On 13-10-31 03:01 AM, Prof Brian Ripley wrote:
> On 31/10/2013 00:40, Paul Gilbert wrote:
>> The old convention was that it went in the exec/ directory, but as you
>> can see at
>> http://cran.at.r-project.org/doc/manuals/r-devel/R-exts.html#Non_002dR-scripts-in-packages
>>   it can be in inst/anyName/. A minor convenience of exec/ is that the
>> directory has the same name in source and when installed, whereas
>> inst/anyName gets moved to anyName/, so debugging can be a tiny bit
>> easier with exec/.
>> Having just put a package (TSjson) on CRAN with a python script, here
>> are a few other pointers for getting it on CRAN:
>> -SystemRequirements: should indicate if a particular version of python
>> is needed, and any non-default modules that are needed. (My package does
>> not work with Python 3 because some modules are not available.) Some of
>> the libraries have changed, so it could be a bit tricky to make
>> something work easily with both 2 and 3.
>> -You need a README to explain how to install Python. (If you look at or
>> use mine, please let me know if you find problems.)
> Better to describe exactly what you need: installation instructions go
> stale very easily.
>> -The Linux and Sun CRAN test machines have Python 2 whereas winbuilder
>> has Python 3. Be prepared to explain that the package will not work on
>> one or the other.
> Not true.  Linux and Solaris (sic) have both: the Solaris machines have
> 2.6 and 3.3.

For an R package how does one go about specifying which should be used?

> Please do not spread misinformation about machines you do
> not have any access to.
>> Another option to system() is pipe()
>> Paul
>> On 13-10-30 03:15 PM, Dirk Eddelbuettel wrote:
>>> On 30 October 2013 at 13:54, Jonathan Greenberg wrote:
>>> | R-developers:
>>> |
>>> | I have a small python script that I'd like to include in an R
>>> package I'm
>>> | developing, but I'm a bit unclear about which subfolder it should go
>>> in.  R
>>> | will be calling the script via a system() call.  Thanks!
>>> Up to you as you control the path. As "Writing R Extensions" explains,
>>> everything below the (source) directory inst/ will get installed.  I
>>> like
>>> inst/extScripts/ (or similar) as it denotes that it is an external
>>> script.
>>> As an example, the gdata package has Perl code for xls reading/writing
>>> below a
>>> directory inst/perl/ -- and I think there are more packages doing this.
>>> Dirk
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