Re: [Rd] Silently loading and Depends: versus NAMESPACE imports

From: Suraj Gupta <surajg_at_gmail.com>
Date: Fri, 24 Feb 2012 12:48:57 -0500

Also, if I just startup a fresh copy of R and I don't load my package then suppressPackageStartupMessages**( library("PerformanceAnalytics"**)) also does not produce any messages.

On Fri, Feb 24, 2012 at 12:48 PM, Suraj Gupta <surajg_at_gmail.com> wrote:

> Correct, nothing happens in terms of startup messages. No messages are
> shown.
>
> library( my package ) # Performance Analytics message shown
> search() # PerformanceAnalytics is not in the search list since its in my
> Imports, not Depends
> suppressPackageStartupMessages**( library("PerformanceAnalytics"**)) # no
> message are shown
> search() # PerformanceAnalytics is now in the seach list beneath R_Global
> as expected
>
>
> 2012/2/24 Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
>
>>
>>
>> On 24.02.2012 18:02, Suraj Gupta wrote:
>>
>>> Sorry, let me provide the details:
>>> My package has a .onAttach function (not a .onLoad). The .onAttach
>>> constructs a startup message and delivers it via packageStartupMessage().
>>> I've pasted the code below. My package has a number of other packages
>>> in Depends and Imports. Some of the packages in Imports have startup
>>> message (not R message, but package specific messages).
>>>
>>> For example I have PerformanceAnalytics in Imports and it shows:
>>> "Econometric tools for performance and risk analysis.
>>> ..."
>>>
>>
>>
>> And nothing happenms once you start it via
>>
>> suppressPackageStartupMessages**( library("PerformanceAnalytics"**))
>>
>> right?
>>
>> Uwe Ligges
>>
>>
>>> googoleVis shows:
>>> "Please read the Google Visualisation& Maps API Terms of Use
>>>
>>> before you use the package:
>>> ..."
>>>
>>> my .onAttach is pretty simple:
>>> .onAttach<- function(...)
>>> {
>>> mylib = dirname( system.file( package = "spear" ) )
>>> ver = packageDescription( "spear" , lib = mylib )$Version
>>> builddate = packageDescription( "spear" , lib = mylib )$Date
>>> startupMessage = ""
>>> startupMessage = paste( startupMessage , "\n\n\n" , sep = "" )
>>> startupMessage = paste( startupMessage ,
>>> "-----------------------------**------------------------------**
>>> ------------------------------**---------------------------\n"
>>> , sep = "" )
>>> startupMessage = paste( startupMessage , "SPEAR\n" , sep = "" )
>>> startupMessage = paste( startupMessage , paste( "(Version " , ver ,
>>> ",
>>> built: " , builddate , ")\n\n" , sep = "" ) , sep = "" )
>>> startupMessage = paste( startupMessage , "MY MESSAGE HERE...left out
>>> for brevity" , sep = "" )
>>> packageStartupMessage( startupMessage )
>>> }
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Fri, Feb 24, 2012 at 8:33 AM, Dirk Eddelbuettel<edd_at_debian.org>
>>> wrote:
>>>
>>>
>>>> On 24 February 2012 at 00:27, Suraj Gupta wrote:
>>>> | I don't think that is it. My startup message is currently in
>>>> .onAttach
>>>> and I
>>>> | still see startup message from packages that I have moved from
>>>> Imports to
>>>> | Depends.
>>>> | Dirk?
>>>>
>>>> There are / were are few issues intertwined in my case, and yours may
>>>> differ:
>>>>
>>>> - are the messages from your code / packages and you startup messages ?
>>>>
>>>> - are they from imported packages ?
>>>>
>>>> - are they from R (reported 'foo being shadowed' or 'generic bar
>>>> defined')
>>>>
>>>> In my case a combination of using .onAttach and .onLoad (instead of just
>>>> .onLoad) together with import directives in a NAMESPACE file solved the
>>>> issue, as had been suggested on this list.
>>>>
>>>> Dirk
>>>>
>>>> --
>>>> "Outside of a dog, a book is a man's best friend. Inside of a dog, it is
>>>> too
>>>> dark to read." -- Groucho Marx
>>>>
>>>>
>>> [[alternative HTML version deleted]]
>>>
>>>
>>> ______________________________**________________
>>> R-devel_at_r-project.org mailing list
>>> https://stat.ethz.ch/mailman/**listinfo/r-devel<https://stat.ethz.ch/mailman/listinfo/r-devel>
>>>
>>
>

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