[Zope] restrictedTraverse([''])

Hong Yuan hongyuan at homemaster.cn
Tue May 24 06:12:02 EDT 2005


Thanks very much for the clarification.

Lennart Regebro wrote:

>On 5/24/05, Hong Yuan <hongyuan at homemaster.cn> wrote:
>  
>
>>I happened to find that obj.restrictedTraverse(['']) returns the
>>application object, instead of the object itself. This is quite
>>unexpected, as both obj.restrictedTraverse('') and
>>obj.restrictedTraverse([]) returns the object itself.
>>
>>Is this a bug or a feature?
>>    
>>
>
>RestrictedTraverse on a list will assume it is a path of ids.
>restrictedTraverse on a string will assume it is a URL.
>
>A path of ids that starts with '' is a absolute path, just like a URL
>that starts with '/'. So, the path list [''] means the
>root/application object, just like '/' means the root/application
>object.
>
>However [] is an empty path, and is therefore the same as the URL ''.
>
>So, the above behaviour is expected and as defined.
>
>  
>

-- 
HONG Yuan
Homemaster Trading Co., Ltd.
No. 601, Bldg. 41, 288 Shuangyang Rd. (N)
Shanghai 200433, P.R.C.
Tel: +86 21 55056553
Fax: +86 21 55067325
E-mail: hongyuan at homemaster.cn



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