Re: [Rd] Checking package on Windows (and seemingly irreproducible errors in CRAN checks)

[Uwe Ligges]

Simon Urbanek wrote:

On Jul 30, 2009, at 7:33 , Carlos J. Gil Bellosta wrote:

Dear Uwe,

The thing that I find funny is that the check of the package on
Windows for R 2.10.x works on r-forge as you can see here:

http://r-forge.r-project.org/R/?group_id=426&log=check_x86_32_windows&pkg=colbycol&flavor=devel 


May I be facing some kind of Windows configuration specific issue
here? I am sorry that I am very Windows-illiterate...


Just from the plain output I suspect that the problem is handling of 
paths in the 3rd party system used (Python) is different from R's on 
Windows and the package author is not converting them properly. It seems 
as if Python is trying to use the path 'd:/temp/Rtmp1mB6qg/dir72ae2cd6' 
literally instead of using 'd:\temp\Rtmp1mB6qg\dir72ae2cd6'. I'm a bit 
surprised, because Java does the right thing: 
System.out.println("'"+(new File("z:/foo/bar"))+"'"); will print 
correctly 'z:\foo\bar'.

I would suspect that the difference between R-Forge and CRAN may 
probably be just the setting of TMP/TEMP... [just a guess ;)]


Good idea. Unfortunately, changing d:\temp to d:/temp in my setting does 
not help...

Uwe




Cheers,
Simon


This is not something that worries me much "per se", as I am 
implementing some changes in the package and the new version does not 
resemble the current one too much, but intrigues me quite a lot.

Best regards,

Carlos J. Gil Bellosta
http://www.datanalytics.com


2009/7/29 Uwe Ligges <lig...@statistik.tu-dortmund.de>:


Mathieu Ribatet wrote:

Dear Carlos,

From your check results:

       cbc.data <- cbc.read.table( system.file("data",
       "cbc.test.data.txt", package = "colbycol"), sep = "\t" )
               Warning in file(file, "r") :
               cannot open file '0001': No such file or directory
       I think you're trying to read the file "cbc.test.data.txt" 
located
in
the folder "data" of your package skeleton. Is that right? If so, maybe
using

       paste(system.file(package = "colbycol"),
       "data/cbc.test.data.txt", sep="/")
       will solve your issue - although I didn't try.


It won't slve it, because reading that file works, but reading file 
"0001"
does ot which is handled within cbc.read.table() in the lines

....
 for( column in names(columns) ){
       tmp <- read.table( columns[[column]]$filename, sep = sep, 
na.strings
= "", comment.char = "", quote = "", header = FALSE, ... )[,1]
....


I guess the problem happens before during the Java stuff where the 
0001 file
is never created (at least not in the location you expect).


On the console I see error messages like


Exception in thread "main" Traceback (most recent call last):
 File "d:/temp/colbycol/python/colbycol.py", line 6, in <module>
   os.chdir( work_dir )
 File "D:\RCompile\CRANpkg\lib\2.9\rSymPy\jython\Lib\os.py", line 
261, in
chdir
   raise OSError(errno.ENOENT, strerror(errno.ENOENT), path)
OSError: [Errno 2] No such file or directory:
'd:/temp/Rtmp1mB6qg/dir72ae2cd6'


Best,
Uwe Ligges



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