本文整理汇总了Python中bandwagon.models.Collection.get_recs_from_ids方法的典型用法代码示例。如果您正苦于以下问题：Python Collection.get_recs_from_ids方法的具体用法？Python Collection.get_recs_from_ids怎么用？Python Collection.get_recs_from_ids使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类bandwagon.models.Collection的用法示例。
在下文中一共展示了Collection.get_recs_from_ids方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: recommendations
# 需要导入模块: from bandwagon.models import Collection [as 别名]
# 或者: from bandwagon.models.Collection import get_recs_from_ids [as 别名]
def recommendations(request, version, platform, limit=9):
"""
Figure out recommended add-ons for an anonymous user based on POSTed guids.
POST body looks like {"guids": [...]} with an optional "token" key if
they've been here before.
"""
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError):
# Errors: invalid json, didn't get a dict, didn't find "guids".
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version)
recs = _recommendations(request, version, platform, limit,
index, ids, recs)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs
elif token != index:
# We've seen them before and their add-ons changed. Remove the
# reference to their old synced collection.
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') - 1))
# Try to create the SyncedCollection. There's a unique constraint on
# addon_index so it will fail if this addon_index already exists. If we
# checked for existence first and then created a collection there would
# be a race condition between multiple users with the same addon_index.
try:
c = SyncedCollection.objects.create(addon_index=index, count=1)
c.set_addons(addon_ids)
except IntegrityError:
try:
(SyncedCollection.objects.filter(addon_index=index)
.update(count=F('count') + 1))
except Exception, e:
log.error(u'Could not count++ "%s" (%s).' % (index, e))示例2: get_compat_mode
# 需要导入模块: from bandwagon.models import Collection [as 别名]
# 或者: from bandwagon.models.Collection import get_recs_from_ids [as 别名]
"""
if not compat_mode:
compat_mode = get_compat_mode(version)
try:
POST = json.loads(request.raw_post_data)
guids = POST['guids']
except (ValueError, TypeError, KeyError), e:
# Errors: invalid json, didn't get a dict, didn't find "guids".
log.debug('Recommendations return 405 because: %s' % e)
return http.HttpResponseBadRequest()
addon_ids = get_addon_ids(guids)
index = Collection.make_index(addon_ids)
ids, recs = Collection.get_recs_from_ids(addon_ids, request.APP, version,
compat_mode)
recs = _recommendations(request, version, platform, limit, index, ids,
recs, compat_mode)
# We're only storing a percentage of the collections we see because the db
# can't keep up with 100%.
if not waffle.sample_is_active('disco-pane-store-collections'):
return recs
# Users have a token2 if they've been here before. The token matches
# addon_index in their SyncedCollection.
if 'token2' in POST:
token = POST['token2']
if token == index:
# We've seen them before and their add-ons have not changed.
return recs