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Added {{{ContentType.objects.clear_cache()}}} which clears the lookup…

… cache. This needs to be called at syncdb time to avoid "stale" content-type IDs after the database gets flushed during unit tests.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4703 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit a5e9f508ce1ba6afe90fe8da3b453c780b1a7342 1 parent 5c2e83e
@jacobian jacobian authored
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1  django/contrib/contenttypes/management.py
@@ -7,6 +7,7 @@
def create_contenttypes(app, created_models, verbosity=2):
from django.contrib.contenttypes.models import ContentType
+ ContentType.objects.clear_cache()
app_models = get_models(app)
if not app_models:
return
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10 django/contrib/contenttypes/models.py
@@ -19,6 +19,16 @@ def get_for_model(self, model):
model=key[1], defaults={'name': str(opts.verbose_name)})
CONTENT_TYPE_CACHE[key] = ct
return ct
+
+ def clear_cache(self):
+ """
+ Clear out the content-type cache. This needs to happen during database
+ flushes to prevent caching of "stale" content type IDs (see
+ django.contrib.contenttypes.management.create_contenttypes for where
+ this gets called).
+ """
+ global CONTENT_TYPE_CACHE
+ CONTENT_TYPE_CACHE = {}
class ContentType(models.Model):
name = models.CharField(maxlength=100)
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