I've run into a problem that I hope has an obvious solution. The sp package uses S4 classes and has a NAMESPACE, and when installed without package versions, runs OK, passes R CMD check, and so on.
A user reported that he installed it --with-package-versions, and that from then on it would fail at first use of a class defined in the package. I've reconstructed the problem in a skeletal package: http://reclus.nhh.no/R/etc/S4nswv_0.1-1.tar.gz which when installed without versions works: $ R CMD INSTALL S4nswv $ R ... > library(S4nswv) > sessionInfo() R version 2.2.1, 2005-12-20, i686-pc-linux-gnu attached base packages: [1] "methods" "stats" "graphics" "grDevices" "utils" "datasets" [7] "base" other attached packages: S4nswv "0.1-1" > xyd <- new("xyloc", x=runif(20), y=runif(20)) > xyd x y res [1,] 0.01589694 0.935594239 -0.91969730 [2,] 0.56974225 0.120906481 0.44883577 ... but fails after INSTALL --with-package-versions S4nswv > library(S4nswv) > sessionInfo() R version 2.2.1, 2005-12-20, i686-pc-linux-gnu attached base packages: [1] "methods" "stats" "graphics" "grDevices" "utils" "datasets" [7] "base" other attached packages: S4nswv_0.1-1 "0.1-1" > xyd <- new("xyloc", x=runif(20), y=runif(20)) Error in as.environment(pkg) : no item called "package:S4nswv" on the search list Error in initialize(value, ...) : S language method selection got an error when called from internal dispatch for function 'initialize' > traceback() 2: initialize(value, ...) 1: new("xyloc", x = runif(20), y = runif(20)) This suggests that "package:S4nswv" and its versioned equivalent are not being associated, and I'd be grateful for pointers about how to do this. Removing the NAMESPACE, and uncommenting .First.lib() in R/zzz.R removes the problem, that is the skeletal package works --with-package-versions, but this isn't an option. At present, the methods package is invoked in DESCRIPTION in the Depends: field, by "import(methods)" in NAMESPACE, and by .onLoad <- function(lib, pkg) require(methods) in zzz.R, which feels like overkill, but removing them one-by-one doesn't seem to affect the problem. (I don't think this is the same problem as Seth's) Roger -- Roger Bivand Economic Geography Section, Department of Economics, Norwegian School of Economics and Business Administration, Helleveien 30, N-5045 Bergen, Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43 e-mail: [EMAIL PROTECTED] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
