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authorDan McGee <dan@archlinux.org>2012-07-07 17:28:02 -0500
committerDan McGee <dan@archlinux.org>2012-07-08 21:08:04 -0500
commit26a00cadcebc0b37775954d261ec73f927ceca12 (patch)
tree8a1246c72e014a92d6b4b98055b37d770e970812 /main
parent4cd588ae898c2abc8035cf0165ccdd038f2321bd (diff)
downloadarchweb-26a00cadcebc0b37775954d261ec73f927ceca12.tar.gz
archweb-26a00cadcebc0b37775954d261ec73f927ceca12.zip
Don't log package updates in Python when we have DB trigger support
This adds a helper method to find the database engine in use, and then skips code we shouldn't execute if we are doing this another way. Note that this helper method could be useful for backend-specific code paths elsewhere, such as custom SQL being called or lack of StdDev() in sqlite3 out of the box. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'main')
-rw-r--r--main/utils.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/main/utils.py b/main/utils.py
index b7cb19f4..879abfb9 100644
--- a/main/utils.py
+++ b/main/utils.py
@@ -8,6 +8,7 @@ import hashlib
from pytz import utc
from django.core.cache import cache
+from django.db import connections, router
CACHE_TIMEOUT = 1800
@@ -106,6 +107,16 @@ def set_created_field(sender, **kwargs):
obj.created = utc_now()
+def database_vendor(model, mode='read'):
+ if mode == 'read':
+ database = router.db_for_read(model)
+ elif mode == 'write':
+ database = router.db_for_write(model)
+ else:
+ raise Exception('Invalid database mode specified')
+ return connections[database].vendor
+
+
def groupby_preserve_order(iterable, keyfunc):
'''Take an iterable and regroup using keyfunc to determine whether items
belong to the same group. The order of the iterable is preserved and