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

From: Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
Date: Fri, 24 Feb 2012 18:57:44 +0100

On 24.02.2012 18:53, Uwe Ligges wrote:
>
>
> On 24.02.2012 18:52, Suraj Gupta wrote:
>> My problem is the same problem that Dirk first asked about. I want to
>> reduce the verbose noise. I want my Imports to not show any startup
>> messages when I load my own package.
>
> Are you going to pull me? Use suppressPackageStartupMessages()!

... and for other packages such as PerformanceAnalytics: Tell those maintainers to move there packageStartupMessage code to .onAttach!

Uwe Ligges

> Uwe Ligges
>
>
>
>
>
>>
>> 2012/2/24 Uwe Ligges<ligges_at_statistik.tu-dortmund.de>
>>
>>>
>>>
>>> On 24.02.2012 18:48, Suraj Gupta 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
>>>>
>>>
>>>
>>> OK, and can you please elaborate what is your problem finally?
>>>
>>> Uwe Ligges
>>>
>>>
>>>
>>>
>>>> 2012/2/24 Uwe
>>>> Ligges<ligges_at_statistik.tu-**dortmund.de<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>
>>>>>>
>>>>>> <https://**stat.ethz.ch/mailman/listinfo/**r-devel<https://stat.ethz.ch/mailman/listinfo/r-devel>
>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>
>
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