From pgilbert at bank-banque-canada.ca  Thu Jan 24 16:44:40 2008
From: pgilbert at bank-banque-canada.ca (Paul Gilbert)
Date: Thu, 24 Jan 2008 10:44:40 -0500
Subject: [Rd] Package Building and Name Space
In-Reply-To: <4798AE02.4020103@stats.uwo.ca>
References: <fn7ov3$2d6$1@ger.gmane.org>	<200801231731.00579.johannes_graumann@web.de>	<4797783F.1020309@stats.uwo.ca>	<200801231907.57881.johannes_graumann@web.de>
	<4798A82A.7020003@bank-banque-canada.ca>
	<4798AE02.4020103@stats.uwo.ca>
Message-ID: <4798B268.2080202@bank-banque-canada.ca>

Sorry, once again I was totally confused.

Paul

Duncan Murdoch wrote:
> On 1/24/2008 10:00 AM, Paul Gilbert wrote:
> 
>> I find the error message
>>
>>  >>>>>Error in MyPackage::MyFunction :
>>
>> is a bit misleading.  Could it be changed to
>>
>>      Error in Package::Function
> 
> 
> I believe "MyPackage" was either the actual name of the package, or what 
> Johannes substituted for it.  But this whole thread would be a lot 
> clearer if we had an actual reproducible example to look at, rather than 
> a report of it that includes typos and substitutions.
> 
>> perhaps with a hint: "Possibly Package is not exporting a NAMESPACE."
>> (At least, I think this does not work unless Package has a namespace.)
> 
> 
> The message looked pretty clear to me, and agrees with the 
> documentation.  For "::" to work, the package needs a namespace OR must 
> be on the search path.  Apparently neither of those was true in this case.
> 
> Duncan Murdoch
> 
>>
>> Paul Gilbert
>>
>> Johannes Graumann wrote:
>>
>>> On Wednesday 23 January 2008 18:24:15 Duncan Murdoch wrote:
>>>
>>>> On 1/23/2008 11:31 AM, Johannes Graumann wrote:
>>>>
>>>>> On Wednesday 23 January 2008 17:25:38 Duncan Murdoch wrote:
>>>>>
>>>>>> On 1/23/2008 11:11 AM, Johannes Graumann wrote:
>>>>>>
>>>>>>> ... sorry for reposting this in a more appropriate forum than
>>>>>>> r.general ...
>>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> I just don't get this and would appreciate if someone could write a
>>>>>>> line or two: I'm trying to build this package and it stops 
>>>>>>> installing
>>>>>>> after I add
>>>>>>>
>>>>>>> the following to the NAMESPACES file:
>>>>>>>
>>>>>>>> importFrom(gsubfn,strapply)
>>>>>>>
>>>>>>>
>>>>>>> The error during the package test is:
>>>>>>>
>>>>>>> Error in MyPackage::MyFunction :
>>>>>>>  package 'MyPackage' has no name space and is not on the search path
>>>>>>> Calls: <Anonymous> ... <Anonymous> -> switch -> sys.source -> 
>>>>>>> eval ->
>>>>>>> eval -> ::
>>>>>>> Execution halted
>>>>>>>
>>>>>>> 'MyFunction' contains 'strapply' from gsubfn.
>>>>>>>
>>>>>>> Please tell me where I err.
>>>>>>
>>>>>>
>>>>>> The file is called NAMESPACE, not NAMESPACES.
>>>>>
>>>>>
>>>>> And that's what it's called here ... sorry for the typo above. The 
>>>>> error
>>>>> remains the same.
>>>>
>>>>
>>>> With the obscuring you've done it's pretty hard to be sure, but I'd
>>>> assume you have the expression MyPackage::MyFunction somewhere in your
>>>> package, but MyPackage doesn't have a namespace.  In that case, you 
>>>> have
>>>> to make sure it is attached via
>>>>
>>>> library(MyPackage)
>>>>
>>>> or
>>>>
>>>> require(MyPackage)
>>>>
>>>> before you can use the "::" operator.
>>>
>>>
>>>
>>> But it's "mypackage" I'm trying to check ... can't attach that yet 
>>> since I need to package and install it first ...
>>>
>>> Joh
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> ______________________________________________
>>> R-devel at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>> ==================================================================================== 
>>
>>
>> La version fran?aise suit le texte anglais.
>>
>> ------------------------------------------------------------------------------------ 
>>
>>
>> This email may contain privileged and/or confidential information, and 
>> the Bank of
>> Canada does not waive any related rights. Any distribution, use, or 
>> copying of this
>> email or the information it contains by other than the intended 
>> recipient is
>> unauthorized. If you received this email in error please delete it 
>> immediately from
>> your system and notify the sender promptly by email that you have done 
>> so.
>> ------------------------------------------------------------------------------------ 
>>
>>
>> Le pr?sent courriel peut contenir de l'information privil?gi?e ou 
>> confidentielle.
>> La Banque du Canada ne renonce pas aux droits qui s'y rapportent. 
>> Toute diffusion,
>> utilisation ou copie de ce courriel ou des renseignements qu'il 
>> contient par une
>> personne autre que le ou les destinataires d?sign?s est interdite. Si 
>> vous recevez
>> ce courriel par erreur, veuillez le supprimer imm?diatement et envoyer 
>> sans d?lai ?
>> l'exp?diteur un message ?lectronique pour l'aviser que vous avez 
>> ?limin? de votre
>> ordinateur toute copie du courriel re?u.
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
====================================================================================

La version fran?aise suit le texte anglais.

------------------------------------------------------------------------------------

This email may contain privileged and/or confidential information, and the Bank of
Canada does not waive any related rights. Any distribution, use, or copying of this
email or the information it contains by other than the intended recipient is
unauthorized. If you received this email in error please delete it immediately from
your system and notify the sender promptly by email that you have done so. 

------------------------------------------------------------------------------------

Le pr?sent courriel peut contenir de l'information privil?gi?e ou confidentielle.
La Banque du Canada ne renonce pas aux droits qui s'y rapportent. Toute diffusion,
utilisation ou copie de ce courriel ou des renseignements qu'il contient par une
personne autre que le ou les destinataires d?sign?s est interdite. Si vous recevez
ce courriel par erreur, veuillez le supprimer imm?diatement et envoyer sans d?lai ?
l'exp?diteur un message ?lectronique pour l'aviser que vous avez ?limin? de votre
ordinateur toute copie du courriel re?u.


[Rd] Package Building and Name Space
Paul Gilbert