[1.0.X] Fixed #10016: the cache middleware no longer vomits when handed long URLs. Thanks, Matt Croydon. Backport of r10335 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10336 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 5 insertions, 3 deletions

diff --git a/django/utils/cache.py b/django/utils/cache.py
index 31111a44fd..3c40e17e90 100644
--- a/django/utils/cache.py
+++ b/django/utils/cache.py
@@ -29,6 +29,7 @@ from django.core.cache import cache
 from django.utils.encoding import smart_str, iri_to_uri
 from django.utils.http import http_date
 from django.utils.hashcompat import md5_constructor
+from django.http import HttpRequest
 
 cc_delim_re = re.compile(r'\s*,\s*')
 
@@ -143,13 +144,14 @@ def _generate_cache_key(request, headerlist, key_prefix):
         value = request.META.get(header, None)
         if value is not None:
             ctx.update(value)
+    path = md5_constructor(iri_to_uri(request.path))
     return 'views.decorators.cache.cache_page.%s.%s.%s' % (
-               key_prefix, iri_to_uri(request.path), ctx.hexdigest())
+               key_prefix, path.hexdigest(), ctx.hexdigest())
 
 def _generate_cache_header_key(key_prefix, request):
     """Returns a cache key for the header cache."""
-    return 'views.decorators.cache.cache_header.%s.%s' % (
-        key_prefix, iri_to_uri(request.path))
+    path = md5_constructor(iri_to_uri(request.path))
+    return 'views.decorators.cache.cache_header.%s.%s' % (key_prefix, path.hexdigest())
 
 def get_cache_key(request, key_prefix=None):
     """