#17865: CachedStaticFilesStorage css rewriter should strip whitespaces from urls
-------------------------------------+------------------------
     Reporter:  kmike                |      Owner:  nobody
         Type:  Bug                  |     Status:  new
    Component:  contrib.staticfiles  |    Version:  1.4-beta-1
     Severity:  Normal               |   Keywords:
 Triage Stage:  Unreviewed           |  Has patch:  0
Easy pickings:  0                    |      UI/UX:  0
-------------------------------------+------------------------
 I have this rule in one of css files (note the extra whitespace in the
 url):

 {{{
 .b-error-page {
     background: url(../img/bg-error-page.png ) center 0 no-repeat;
 }
 }}}

 Browsers handle this fine, collectstatic raises an exception if
 CachedStaticFilesStorage is used:

 {{{
 ValueError: The file 'img/bg-error-page.png ' could not be found with
 <django.contrib.staticfiles.storage.CachedStaticFilesStorage object at
 0x2ee2350>.
 }}}

 I think css rewriter should just strip whitespaces in such cases.

 Not sure if this is relevant, but anyway:
 http://www.ietf.org/rfc/rfc3986 , Appendix C: "For robustness, software
 that accepts user-typed URI should attempt to recognize and strip both
 delimiters and embedded whitespace."

-- 
Ticket URL: <https://code.djangoproject.com/ticket/17865>
Django <https://code.djangoproject.com/>
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