Regarding alternative places for scripts, you can add a directory (eg
inst/testLocalScripts) and then with a recently added R CMD feature you
can do
R CMD check --test-dir=inst/testLocalScripts your-package.tar.gz
This will not (automatically) be checked on CRAN. Beware that you also
need to run R CMD check without this option to run your regular tests.
Paul
On 06/29/2015 11:25 AM, Jonathan Callahan wrote:
Hi,
The MazamaSpatialUtils
<http://cran.r-project.org/package=MazamaSpatialUtils> package has a
required "package state" variable which users set to specify where they
want to store large amounts of GIS data that is being downloaded and
converted by the package. The implementation of this follows Hadley's
advice here:
http://adv-r.had.co.nz/Environments.html#explicit-envs
The functionality is implemented with package environment and getter and
setter functions:
spatialEnv <- new.env(parent = emptyenv())
spatialEnv$dataDir <- NULL
getSpatialDataDir <- function() {
if (is.null(spatialEnv$dataDir)) {
stop('No data directory found. Please set a data directory with
setSpatialDataDir("YOUR_DATA_DIR").',call.=FALSE)
} else {
return(spatialEnv$dataDir)
}
}
setSpatialDataDir <- function(dataDir) {
old <- spatialEnv$dataDir
dataDir <- path.expand(dataDir)
tryCatch({
if (!file.exists(dataDir)) dir.create(dataDir)
spatialEnv$dataDir <- dataDir
}, warning = function(warn) {
warning("Invalid path name.")
}, error = function(err) {
stop(paste0("Error in setSpatialDataDir(",dataDir,")."))
})
return(invisible(old))
}
My question is:
*What is an appropriate directory to specify for vignettes (or demos or
examples) that need to go through CRAN testing?*
The R code in vignettes need to specify a directory that is writable during
the package build process but that will also be available to users.
Should we create a /tmp/<hash> directory? Would that be available on all
systems?
Alternatively,
*What is an alternative to vignettes and demos for tutorial scripts that
should not be tested upon submission to CRAN?*
Thanks for any suggestions.
Jon
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