menus.models: 23 total statements, 0.0% covered

Generated: Wed 2013-03-13 10:33 CET

Source file: /media/Envs/Envs/filer-gallery/lib/python2.7/site-packages/menus/models.py

Stats: 0 executed, 22 missed, 1 excluded, 18 ignored

1. # -*- coding: utf-8 -*-
2. from django.db import models
5. class CacheKeyManager(models.Manager):
6. def get_keys(self, site_id=None, language=None):
7. ret = self.none()
8. if not site_id and not language:
9. # Both site and language are None - return everything
10. ret = self.all()
11. elif not site_id:
12. ret = self.filter(language=language)
13. elif not language:
14. ret = self.filter(site=site_id)
15. else:
16. # Filter by site_id *and* by language.
17. ret = self.filter(site=site_id).filter(language=language)
18. return ret
20. def get_or_create(self, **kwargs):
21. try:
22. return super(CacheKeyManager, self).get_or_create(**kwargs)
23. except CacheKey.MultipleObjectsReturned:
24. # Truncate the table, we don't want a funny cache object to cause
25. # mayhem!
26. CacheKey.objects.all().delete()
27. return super(CacheKeyManager, self).get_or_create(**kwargs)
30. class CacheKey(models.Model):
31. '''
32. This is to store a "set" of cache keys in a fashion where it's accessible
33. by multiple processes / machines.
34. Multiple Django instances will then share the keys.
35. This allows for selective invalidation of the menu trees (per site, per
36. language), in the cache.
37. '''
38. language = models.CharField(max_length=255)
39. site = models.PositiveIntegerField()
40. key = models.CharField(max_length=255)
41. objects = CacheKeyManager()