Re: redirect burps on unicode URLs

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Wichert Akkerman wrote:
> On 2/25/10 17:08 , Tres Seaver wrote:
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>> Adam GROSZER wrote:
>>> Hello,
>>>
>>> Looks like zope.publisher burps on unicode URL which contain non-ascii
>>> chars. This is from a KGS 3.4 application, but looking at the source
>>> it still seems to have the same problems.
>>>
>>> opinions?
>>>
>>> ...
>>>      self.request.response.redirect(url)
>>>    File "d:\home\.buildout\eggs\zope.publisher-3.4.6-py2.5.egg\zope\publisher\browser.py", line
>>> 729, in redirect
>>>      return super(BrowserResponse, self).redirect(location, status)
>>>    File "d:\home\.buildout\eggs\zope.publisher-3.4.6-py2.5.egg\zope\publisher\http.py", line 882,
>>> in redirect
>>>      self.setHeader('Location', location)
>>>    File "d:\home\.buildout\eggs\zope.publisher-3.4.6-py2.5.egg\zope\publisher\http.py", line 676,
>>> in setHeader
>>>      value = str(value)
>>> UnicodeEncodeError: 'ascii' codec can't encode character u'\xd6' in position 71: ordinal not in
>>> range(128)
>> Two issues:
>>
>> - - Technically there is no such thing as a "unicode URL":  URLs are
>>    always ASCII, with other characters encoded[1].  IRIs and IRLs are
>>    a different thing altogether.
> 
> I see this as naming confusion. In this day and age every URL is 
> effectively an IRI, and every modern browser treats them that way. If 
> you look at http://jp.wikipedia.org/ you can see how well that works. I 
> do not see why zope.publisher should not be able to support that 
> transparently. Other systems such as Routes and repoze.bfg do.

Browseers *display* what looks like unicode to the user, but they *pass*
URL-encoded ASCII bytes to the server.  Even if that weren't so, HTTP
header values (the 'Location:' header, in this case) still have to be
ASCII, period.


Tres.
- --
===================================================================
Tres Seaver          +1 540-429-0999          [email protected]
Palladion Software   "Excellence by Design"    http://palladion.com
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