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authorDan McGee <dan@archlinux.org>2011-11-03 22:46:36 -0500
committerDan McGee <dan@archlinux.org>2011-11-03 23:04:16 -0500
commit19c2841f20653fd3c59f73fdb16f7f7b1ea15434 (patch)
treea15544c4cf2049e1c1c7cb47ecce645cefeff9bd /main/models.py
parent278d74b1d12568d4c9b6d5533e57e820d038ae64 (diff)
Add new attach_maintainers() utility method
This allows us to alleviate the N+1 query problem when we want maintainer data for a queryset of packages. We use it on signoffs here; we should also be able to apply this to the todolist section where this problem has existed for some time. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'main/models.py')
-rw-r--r--main/models.py14
1 files changed, 11 insertions, 3 deletions
diff --git a/main/models.py b/main/models.py
index 972b098c..db456c20 100644
--- a/main/models.py
+++ b/main/models.py
@@ -206,11 +206,19 @@ class Package(models.Model):
def is_signed(self):
return bool(self.pgp_signature)
+ _maintainers = None
+
@property
def maintainers(self):
- return User.objects.filter(
- package_relations__pkgbase=self.pkgbase,
- package_relations__type=PackageRelation.MAINTAINER)
+ if self._maintainers is None:
+ self._maintainers = User.objects.filter(
+ package_relations__pkgbase=self.pkgbase,
+ package_relations__type=PackageRelation.MAINTAINER)
+ return self._maintainers
+
+ @maintainers.setter
+ def maintainers(self, maintainers):
+ self._maintainers = maintainers
@cache_function(300)
def applicable_arches(self):