cms.plugins.utils: 44 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/cms/plugins/utils.py

Stats: 0 executed, 38 missed, 6 excluded, 25 ignored

1. from collections import defaultdict
2. import operator
3. from itertools import groupby
5. from cms.plugin_pool import plugin_pool
6. from cms.utils import get_language_from_request
7. from cms.utils.moderator import get_cmsplugin_queryset
9. def get_plugins(request, placeholder, lang=None):
10. if not placeholder:
11. return []
12. lang = lang or get_language_from_request(request)
13. if not hasattr(placeholder, '_%s_plugins_cache' % lang):
14. assign_plugins(request, [placeholder], lang)
15. return getattr(placeholder, '_%s_plugins_cache' % lang)
17. def assign_plugins(request, placeholders, lang=None):
18. """
19. Fetch all plugins for the given ``placeholders`` and
20. cast them down to the concrete instances in one query
21. per type.
22. """
23. placeholders = list(placeholders)
24. if not placeholders:
25. return
26. lang = lang or get_language_from_request(request)
28. # get all plugins for the given placeholders
29. qs = get_cmsplugin_queryset(request).filter(placeholder__in=placeholders, language=lang, parent__isnull=True).order_by('placeholder', 'position')
30. plugin_list = downcast_plugins(qs)
32. # split the plugins up by placeholder
33. groups = dict((key, list(plugins)) for key, plugins in groupby(plugin_list, operator.attrgetter('placeholder_id')))
34. for placeholder in placeholders:
35. setattr(placeholder, '_%s_plugins_cache' % lang, list(groups.get(placeholder.pk, [])))
38. def downcast_plugins(queryset, select_placeholder=False):
39. plugin_types_map = defaultdict(list)
40. plugin_lookup = {}
42. # make a map of plugin types, needed later for downcasting
43. for plugin in queryset:
44. plugin_types_map[plugin.plugin_type].append(plugin.pk)
45. for plugin_type, pks in plugin_types_map.iteritems():
46. cls = plugin_pool.get_plugin(plugin_type)
47. # get all the plugins of type cls.model
48. plugin_qs = cls.model.objects.filter(pk__in=pks)
49. if select_placeholder:
50. plugin_qs = plugin_qs.select_related('placeholder')
52. # put them in a map so we can replace the base CMSPlugins with their
53. # downcasted versions
54. for instance in plugin_qs:
55. plugin_lookup[instance.pk] = instance
56. # make the equivalent list of qs, but with downcasted instances
57. plugin_list = [plugin_lookup[p.pk] for p in queryset if p.pk in plugin_lookup]
58. return plugin_list
61. def get_plugins_for_page(request, page, lang=None):
62. if not page:
63. return []
64. lang = lang or get_language_from_request(request)
65. if not hasattr(page, '_%s_plugins_cache' % lang):
66. setattr(page, '_%s_plugins_cache' % lang, get_cmsplugin_queryset(request).filter(
67. placeholder__page=page, language=lang, parent__isnull=True
68. ).order_by('placeholder', 'position').select_related())
69. return getattr(page, '_%s_plugins_cache' % lang)