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[1.0.X] Changed the way cache specifiers are parsed.

Allows us to reuse the same code in multiple places, avoiding new and
interesting bugs (the testing framework had a DIY version that was slightly
wrong, for example). Fixed #9833.

Backport of r9936 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9937 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit ec02cf7a856dcc2ebc4ec10a35d6e87c1400b8f6 1 parent 4d2de7a
Malcolm Tredinnick malcolmt authored
Showing with 12 additions and 2 deletions.
  1. +10 −1 django/core/cache/__init__.py
  2. +2 −1  django/db/backends/creation.py
11 django/core/cache/__init__.py
View
@@ -31,7 +31,12 @@
'dummy': 'dummy',
}
-def get_cache(backend_uri):
+def parse_backend_uri(backend_uri):
+ """
+ Converts the "backend_uri" into a cache scheme ('db', 'memcached', etc), a
+ host and any extra params that are required for the backend. Returns a
+ (scheme, host, params) tuple.
+ """
if backend_uri.find(':') == -1:
raise InvalidCacheBackendError, "Backend URI must start with scheme://"
scheme, rest = backend_uri.split(':', 1)
@@ -48,6 +53,10 @@ def get_cache(backend_uri):
if host.endswith('/'):
host = host[:-1]
+ return scheme, host, params
+
+def get_cache(backend_uri):
+ scheme, host, params = parse_backend_uri(backend_uri)
if scheme in BACKENDS:
module = __import__('django.core.cache.backends.%s' % BACKENDS[scheme], {}, {}, [''])
else:
3  django/db/backends/creation.py
View
@@ -315,7 +315,8 @@ def create_test_db(self, verbosity=1, autoclobber=False):
call_command('syncdb', verbosity=verbosity, interactive=False)
if settings.CACHE_BACKEND.startswith('db://'):
- cache_name = settings.CACHE_BACKEND[len('db://'):]
+ from django.core.cache import parse_backend_uri
+ _, cache_name, _ = parse_backend_uri(settings.CACHE_BACKEND)
call_command('createcachetable', cache_name)
# Get a cursor (even though we don't need one yet). This has
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