def index(request):
select_detailed_source = SelecrSourceForm()
source_points = Source.objects.exclude(point=None)
searchform = SearchForm(request.GET)
tagcloud = Tag.objects.cloud_for_model(Resource)
qs = Resource.objects.filter(enabled=True).exclude(status="rejected")
query = request.GET.get("q", None)
if query != None:
if query != "":
qs = qs.filter(search_query_set(query))
else:
blankquery = True
objects = []
[objects.append(item) for item in qsfiltered]
# treat querystring, remove page
querystring = QueryDict(request.META.get("QUERY_STRING"))
# handle pagination
if "page" in request.GET:
pageid = request.GET.get("page")
if pageid:
querystring._mutable = True
del querystring["page"]
querystring_nopage = querystring.urlencode()
else:
pageid = 1
querystring_nopage = request.META.get("QUERY_STRING")
paginator = Paginator(objects, CONTENT_PER_PAGE)
try:
page_obj = paginator.page(pageid)
except TypeError:
page_obj = paginator.page(1)
except PageNotAnInteger:
page_obj = paginator.page(1)
except EmptyPage:
page_obj = paginator.page(paginator.num_pages)
object_list = page_obj.object_list
return render_to_response("index.html", locals(), context_instance=RequestContext(request))
else:
# browse mode
# featured list
curricular_grades = CurricularGrade.objects.filter(parent=None)
featured_list = (
qs.filter(
# category__code='video', thumbnails__gt=0
)
.order_by("?")
.all()[0:2]
)
if featured_list.count() > 0:
featured_list = featured_list.all()
# tags
tags_to_cloud = Tag.objects.usage_for_queryset(qs, counts=True) # [0:20]
calculate_cloud(tags_to_cloud, steps=5, distribution=LOGARITHMIC)
query = ""
# latest additions
latest_additions = Resource.objects.filter(status="installed").order_by("-created")[0:5]
return render_to_response("index.html", locals(), context_instance=RequestContext(request))
def get_context_data(self, **kwargs):
tags = DjangoPerson.skilltags.cloud(steps=5)
calculate_cloud(tags, 5)
context = super().get_context_data(**kwargs)
context.update({
'tags': tags,
})
return context
def annotationview(request, asset_id, annot_id):
annotation = get_object_or_404(SherdNote,
pk=annot_id, asset=asset_id,
asset__course=request.course)
user = request.user
if user.is_staff and request.GET.has_key('as'):
user = get_object_or_404(User,username=request.GET['as'])
if request.method in ("DELETE", "POST"):
if request.method == "DELETE":
redirect_to = reverse('asset-view', args=[asset_id])
elif request.method == "POST":
redirect_to = '.'
form = request.GET.copy()
form['next'] = redirect_to
request.GET = form
return annotation_dispatcher(request, annot_id)
readonly = False
if annotation.author != request.user:
readonly = True
asset = annotation.asset
global_annotation = asset.global_annotation(user)
if global_annotation == annotation:
return HttpResponseRedirect(
reverse('asset-view', args=[asset_id]))
form = AnnotationForm(instance=annotation, prefix="annotation")
tags = calculate_cloud(
Tag.objects.usage_for_queryset(
asset.sherdnote_set.all(), counts=True))
user_tags = calculate_cloud(
Tag.objects.usage_for_queryset(
user.sherdnote_set.filter(
asset__course=request.course),
counts=True))
comments = Comment and Comment.objects.for_model(asset) or None
return {
'annotation_form': form,
'asset': asset,
'comments': comments,
'annotation': annotation,
'global_annotation': global_annotation,
'global_annotation_form': GlobalAnnotationForm(
instance=global_annotation, prefix="annotation"),
'tags': tags,
'space_viewer':user,
'user_tags': user_tags,
'readonly': readonly,
}
def country_skill_cloud(request, country_code):
country = get_object_or_404(Country, iso_code = country_code.upper())
tags = Tag.objects.cloud_for_model(DjangoPerson, steps=5, filters={
'country': country
})
calculate_cloud(tags, 5)
return render(request, 'skills.html', {
'tags': tags,
'country': country
})
def test_invalid_distribution(self):
try:
calculate_cloud(self.tags, steps=5, distribution='cheese')
except ValueError as ve:
self.assertEqual(str(ve), 'Invalid distribution algorithm specified: cheese.')
except Exception as e:
raise self.failureException('the wrong type of exception was raised: type [%s] value [%s]' %\
(str(type(e)), str(e)))
else:
raise self.failureException('a ValueError exception was supposed to be raised!')
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
tags = Tag.objects.cloud_for_model(DjangoPerson, steps=5, filters={
'country': self.object,
})
calculate_cloud(tags, 5)
context.update({
'tags': tags,
})
return context
def document_view(request, document_id):
if request.user.get_profile().is_lecturer:
document = get_object_or_404(Document, Q(pk=document_id, is_lecturer_visible=True))
else:
document = get_object_or_404(Document, Q(pk=document_id))
course = get_object_or_404(Course.objects.distinct('pk'), Q(pk=document.course.pk), Q(scopes__users__id=request.user.pk))
category = Category.objects.get(Q(pk=course.category.pk))
if document.is_etherpad:
return HttpResponseRedirect(reverse("etherpad", args=[document.id]))
comments = DocumentComment.objects.filter(document=document).order_by('pub_date')
revisions = DocumentRevision.objects.filter(document=document).order_by('-pub_date')[1:]
tags_raw = Tag.objects.usage_for_model(Document, counts=True)
cloud_raw = calculate_cloud(tags_raw, steps=2)
tags = document.get_tags()
cloud = []
for tag in tags_raw:
if tag in tags:
cloud.insert(len(cloud) + 1, tag)
if 'HTTP_USER_AGENT' in request.META:
if request.META['HTTP_USER_AGENT'].find('MSIE') > 0:
internet_explorer_warning = True
return render_to_response("document.html", locals(), context_instance=RequestContext(request))
def pluginbrowser(request):
if request.method == 'POST':
#This form actually should not be submitted via POST. It is done by javascript function with AJAX call.
#So this block of code will not be executed.
form = PluginSearchForm(request.POST)
if form.is_valid():
return HttpResponseRedirect('/')
else:
_dbobjects = get_my_plugins(request.user) | get_shared_plugins(request.user)
#get newest 10 plugins
newest_plugin_list = _dbobjects.order_by('-created')[:10]
#get recently updated 10 plugins
#updated_plugin_list = _dbobjects.order_by('-lastmodified')[:10]
updated_plugin_list = _dbobjects.exclude(created__gte=F('lastmodified')).order_by('-lastmodified')[:10]
#^^^^^when a new plugin is saved, "created" is slightly newer than "lastmodified"
popular_plugin_list = _dbobjects.filter(popularity__score__isnull=False).order_by('-popularity__score')[:10]
form = PluginSearchForm()
plugin_tags = calculate_cloud(Tag.objects.usage_for_queryset(_dbobjects, counts=True, min_count=2))
d = {'form': form,
'newest_plist': newest_plugin_list,
'updated_plist': updated_plugin_list,
'popular_plist': popular_plugin_list,
'anonymous_user': request.user.is_anonymous(),
'plugin_tags': plugin_tags,
}
return render_to_response('plugin/pluginlibrary.html', d)
def cloud_for_model(self, model, steps=4, distribution=LOGARITHMIC,
filters=None, min_count=None):
"""
Obtain a list of tags associated with instances of the given
Model, giving each tag a ``count`` attribute indicating how
many times it has been used and a ``font_size`` attribute for
use in displaying a tag cloud.
``steps`` defines the range of font sizes - ``font_size`` will
be an integer between 1 and ``steps`` (inclusive).
``distribution`` defines the type of font size distribution
algorithm which will be used - logarithmic or linear. It must
be either ``tagging.utils.LOGARITHMIC`` or
``tagging.utils.LINEAR``.
To limit the tags displayed in the cloud to those associated
with a subset of the Model's instances, pass a dictionary of
field lookups to be applied to the given Model as the
``filters`` argument.
To limit the tags displayed in the cloud to those with a
``count`` greater than or equal to ``min_count``, pass a value
for the ``min_count`` argument.
"""
tags = list(self.usage_for_model(model, counts=True, filters=filters,
min_count=min_count))
return calculate_cloud(tags, steps, distribution)
def tag_index(request, template_name="tagging_ext/index.html", min_size=0, limit=100):
query = """
SELECT tag_item.tag_id as tag_id, COUNT(tag_item.tag_id) as counter
FROM tagging_taggeditem as tag_item
INNER JOIN tagging_tag as tag ON (tag.id = tag_item.tag_id)
GROUP BY tag.name,tag_id
HAVING COUNT(tag.name) > %s
ORDER BY tag.name
LIMIT %s
"""
cursor = connection.cursor()
cursor.execute(query, [min_size, limit])
tags = []
for row in cursor.fetchall():
try:
tag = Tag.objects.get(id=row[0])
except ObjectDoesNotExist:
continue
if ' ' in tag.name:
continue
tag.count = row[1]
tags.append(tag)
tags = calculate_cloud(tags, steps=5, distribution=LOGARITHMIC)
return render_to_response(template_name, {'tags': tags},
context_instance=RequestContext(request))
def get_tagcloud_intersection(agree_issues, disagree_issues):
try :
agree_tags = Tag.objects.usage_for_model(Issue,
counts=True, filters=dict(id__in=agree_issues))
except EmptyResultSet:
agree_tags = []
try:
disagree_tags = Tag.objects.usage_for_model(Issue,
counts=True, filters=dict(id__in=disagree_issues))
except EmptyResultSet:
disagree_tags = []
tags_dagree= dict((tag.name, tag) for tag in disagree_tags)
all_tags = []
# loop over al for tags, look if tag also exists in disagree tag
# if so add a status with 'conflict' to the tag.
# agree_tags have 'agree' status
# disagree_tags have no status.
for a_tag in agree_tags:
a_tag.status = 'agree'
if tags_dagree.has_key(a_tag.name):
d_tag = tags_dagree[a_tag.name]
d_tag.count = d_tag.count + a_tag.count
d_tag.status = 'conflict'
all_tags.append(d_tag)
tags_dagree.pop(a_tag.name)
else:
all_tags.append(a_tag)
all_tags.extend(tags_dagree.values())
return calculate_cloud(all_tags)
def render(self, djp, wrapper, prefix,
for_model = None, steps = 4, min_count = None, **kwargs):
try:
formodel = ContentType.objects.get(id = int(for_model)).model_class()
except:
return u''
steps = int(steps)
if min_count:
min_count = int(min_count)
site = get_site(djp.request.path)
appmodel = site.for_model(formodel)
tags = self.get_tags(**kwargs)
if tags:
query = TaggedItem.objects.get_by_model(formodel,tags)
query = self.model.objects.usage_for_queryset(query, counts=True)
tags = calculate_cloud(query)
else:
tags = Tag.objects.cloud_for_model(formodel,
steps = steps,
min_count = min_count)
request = djp.request
for tag in tags:
try:
tag.url = appmodel.tagurl(request, tag.name)
except:
tag.url = None
if tag.count == 1:
tag.times = 'time'
else:
tag.times = 'times'
c = {'tags': tags}
return loader.render_to_string(['bits/tag_cloud.html',
'djpcms/bits/tag_cloud.html'],c)
def tags(request):
all_tags = {}
# Want 2.7 for the collections.Counter :(
def update_tags(tag):
existing = all_tags.get(tag.name, None)
if existing:
existing.count += tag.count
else:
all_tags[tag.name] = tag
scraper_tags = Tag.objects.usage_for_model(Scraper, counts=True, filters={'privacy_status':'public', 'privacy_status':'visible'})
view_tags = Tag.objects.usage_for_model(View, counts=True, filters={'privacy_status':'public', 'privacy_status':'visible'})
for tag in itertools.chain(scraper_tags, view_tags):
update_tags(tag)
# Use UserCodeRole objects to get code objects that are private but
# accessible to this user and then use update_tags to update the
# dictionary
if request.user.is_authenticated():
privatescraper_ids = [u.code.id for u in UserCodeRole.objects.filter(code__privacy_status='private', user=request.user)]
qs = Code.objects.filter(pk__in=privatescraper_ids)
extra_tags = Tag.objects.usage_for_queryset(qs, counts=True)
for tag in extra_tags:
update_tags(tag)
tags = calculate_cloud(all_tags.values(), steps=4, distribution=LOGARITHMIC)
return render_to_response('frontend/tags.html', {'tags':tags}, context_instance=RequestContext(request))
def get_tag_cloud(context, steps=6, template='zinnia/tags/tag_cloud.html'):
"""Return a cloud of published tags"""
tags = Tag.objects.usage_for_queryset(
Entry.published.all(), counts=True)
return {'template': template,
'tags': calculate_cloud(tags, steps),
'context_tag': context.get('tag')}
def container_view(request):
assets = [a for a in Asset.objects.filter(course=request.course).order_by('title')
if a not in request.course.asset_set.archives()]
from tagging.models import Tag
all_tags = Tag.objects.usage_for_queryset(
SherdNote.objects.filter(
asset__course=request.course),
counts=True)
all_tags.sort(lambda a,b:cmp(a.name.lower(),b.name.lower()))
all_tags = calculate_cloud(all_tags)
for fil in filter_by:
filter_value = request.GET.get(fil)
if filter_value:
assets = [asset for asset in assets
if filter_by[fil](asset, filter_value)]
active_filters = dict((filter, request.GET.get(filter))
for filter in filter_by
if filter in request.GET)
return {
'assets':assets,
'tags': all_tags,
'active_filters': active_filters,
'space_viewer':request.user,
}
def tag_cloud(self):
"Returns instance tags annotated with tag cloud weights"
# Just using self.tags doesn't aggregate properly (the only
# matching item is self)
tags = (Tag.objects
.filter(pk__in=[t.pk for t in self.tags])
.annotate(count=Count('items')))
return calculate_cloud(tags)
def get_tag_cloud(context, steps=6, template='zinnia/tags/tag_cloud.html'):
"""Return a cloud of published tags"""
tags = Tag.objects.usage_for_queryset(Entry.published.all(), counts=True)
return {
'template': template,
'tags': calculate_cloud(tags, steps),
'context_tag': context.get('tag')
}
def container_view(request):
"""for all class assets view at /asset/
OPTIMIZATION: What we need:
asset: primary label, thumb.url
tags {name}
project: collaboration.get_parent, feedback_discussion
status (from collaboration)
attribution
"""
#extra() is case-insensitive order hack
#http://scottbarnham.com/blog/2007/11/20/case-insensitive-ordering-with-django-and-postgresql/
archives = list(request.course.asset_set.archives())
assets = [
a for a in Asset.objects.filter(course=request.course).extra(
select={
'lower_title': 'lower(assetmgr_asset.title)'
}).select_related().order_by('lower_title') if a not in archives
]
asset_ids = [a.id for a in assets]
thumbs = dict([
(th.asset_id, th.url)
for th in Source.objects.filter(label='thumb', asset__in=asset_ids)
])
primaries = dict([
(p.asset_id, p)
for p in Source.objects.filter(primary=True, asset__in=asset_ids)
])
#import pdb;pdb.set_trace()
for a in assets:
a._primary_cache = primaries[a.id]
a._thumb_url = thumbs.get(a.id, None)
from tagging.models import Tag
all_tags = Tag.objects.usage_for_queryset(
SherdNote.objects.filter(asset__course=request.course), counts=True)
all_tags.sort(lambda a, b: cmp(a.name.lower(), b.name.lower()))
all_tags = calculate_cloud(all_tags)
for fil in filter_by:
filter_value = request.GET.get(fil)
if filter_value:
assets = [
asset for asset in assets
if filter_by[fil](asset, filter_value)
]
active_filters = get_active_filters(request)
return {
'assets': assets,
'tags': all_tags,
'active_filters': active_filters,
'space_viewer': request.user,
'space_owner': None,
'is_faculty': request.course.is_faculty(request.user),
}
def cloud_for_queryset(self, queryset, steps=2, distribution=LOGARITHMIC, min_count=None):
"""
returns the tag cloud for the given queryset
See: https://code.google.com/p/django-tagging/issues/detail?id=137
"""
tags = list(
Tag.objects.usage_for_queryset(queryset, counts=True, min_count=min_count)
)
return calculate_cloud(tags, steps, distribution)
def get_tagcloud_issues(issues):
id_issues = issues.values('id')
issue_tags = Tag.objects.usage_for_model(Issue,
counts=True,
filters=dict(id__in=id_issues))
return calculate_cloud(
issue_tags,
steps=7,
)
def cloud_for_queryset(self,
queryset,
steps=4,
distribution=LOGARITHMIC,
min_count=None):
tags = list(
self.usage_for_queryset(queryset, counts=True,
min_count=min_count))
return calculate_cloud(tags, steps, distribution)
def get_user_tag_cloud(user):
votes = Vote.objects.get_user_votes(user, Model=Issue)
votes = votes.values_list('object_id')
try :
tags = Tag.objects.usage_for_model(Issue,
counts=True, filters=dict(id__in=votes))
except EmptyResultSet:
tags = []
return calculate_cloud(tags)
def get_member_data(self, member):
bills_tags = Tag.objects.usage_for_queryset(member.bills.all(),counts=True)
tag_cloud = map(lambda x: dict(size=x.font_size, count=x.count, name=x.name),
calculate_cloud(bills_tags))
bills = map(lambda b: dict(title=b.full_title,
url=b.get_absolute_url(),
stage=b.stage,
stage_text=b.get_stage_display()),
member.bills.all())
return DictStruct(id=member.id, tag_cloud=tag_cloud,bills=bills)
def tagged_items(request, slug, tags=None):
""" View items tagged in project """
project = get_object_or_404(Project, slug=slug)
project_type = ContentType.objects.get_for_model(project)
tag_list = tags.split("+")
querysets = [
Task.objects.select_related().filter(project=project),
Thread.objects.filter(content_type__pk=project_type.pk,
object_id=project.id)
]
all_tags = []
qs_items = []
for query in querysets:
qs = TaggedItem.objects.get_intersection_by_model(query, tag_list)
if qs:
qs_tags = Tag.objects.usage_for_queryset(qs, counts=True)
all_tags.extend(qs_tags)
qs_items.extend(qs)
# Order items and put in cloud
all_tags = reduce(lambda l, x: x not in l and l.append(x) or l, all_tags,
[])
tags = calculate_cloud(all_tags, 4, LOGARITHMIC)
# Tagged items
tagged_items = []
for item in qs_items:
item.type = item._meta.module_name
if hasattr(item, "created_at"):
item.sort = item.created_at
else:
item.sort = item.latest_message_time
tagged_items.append(item)
tagged_items.sort(key=lambda x: x.sort)
# Complile tags
selected_tags = []
tag_url = ''
for item in tag_list:
tag_url += item + '+'
name = Tag.objects.get(name=item)
tags.remove(name)
selected_tags.append(name)
return direct_to_template(request,
template='blproject/tagged_item_list.html',
extra_context={
'tag_cloud': tags,
'tag_url': tag_url,
'selected_tags': selected_tags,
'tagged_items': tagged_items,
'project': project
})
def get_context_data(self, **kwargs):
kwargs = super(AlbumTagRessourcesView, self).get_context_data(**kwargs)
tags_q = Tag.objects.usage_for_queryset(self.get_ressources_queryset(), min_count=1)
tags_q = calculate_cloud(tags_q, steps=6)
kwargs.update({
'tag_object': self.tag_object,
'ressources_tags': tags_q,
})
return kwargs
def test_linear_distribution(self):
sizes = {}
for tag in calculate_cloud(self.tags, steps=5, distribution=LINEAR):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEquals(sizes[1], 97)
self.assertEquals(sizes[2], 12)
self.assertEquals(sizes[3], 7)
self.assertEquals(sizes[4], 2)
self.assertEquals(sizes[5], 4)
def test_linear_distribution(self):
sizes = {}
for tag in calculate_cloud(self.tags, steps=5, distribution=LINEAR):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEquals(sizes[1], 97)
self.assertEquals(sizes[2], 12)
self.assertEquals(sizes[3], 7)
self.assertEquals(sizes[4], 2)
self.assertEquals(sizes[5], 4)
def test_default_distribution(self):
sizes = {}
for tag in calculate_cloud(self.tags, steps=5):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEquals(sizes[1], 48)
self.assertEquals(sizes[2], 30)
self.assertEquals(sizes[3], 19)
self.assertEquals(sizes[4], 15)
self.assertEquals(sizes[5], 10)
def test_default_distribution(self):
sizes = {}
for tag in calculate_cloud(self.tags, steps=5):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEquals(sizes[1], 48)
self.assertEquals(sizes[2], 30)
self.assertEquals(sizes[3], 19)
self.assertEquals(sizes[4], 15)
self.assertEquals(sizes[5], 10)
def index(request):
if request.user.is_authenticated():
#User should have that after authorisation
#request.user.user_permissions.add('User')
pass
#latest_addons = Addon.objects.all().order_by('-pub_date')[:5]
recomended_addons = Addon.objects.all().order_by('-rating')[:4]
categories = Category.objects.all()
tags = Tag.objects.usage_for_model(Addon, counts=True)
tag_cloud = utils.calculate_cloud(tags, steps=5, distribution=utils.LOGARITHMIC)
return render_to_response('main/index.html', {'tag_cloud': tag_cloud, 'recomended_addons': recomended_addons, 'categories': categories, 'user': request.user, 'site_name': Site.objects.get_current().name})
def get_user_tag_cloud(user):
votes = Vote.objects.get_user_votes(user, Model=Issue)
votes = votes.values_list('object_id')
try:
tags = Tag.objects.usage_for_model(Issue,
counts=True,
filters=dict(id__in=votes))
except EmptyResultSet:
tags = []
return calculate_cloud(tags)
def get_context_data(self, **kwargs):
kwargs = super(AlbumDetailView, self).get_context_data(**kwargs)
tags_q = Tag.objects.usage_for_queryset(self.object_list, min_count=1)
tags_q = calculate_cloud(tags_q, steps=6)
kwargs.update({
# Filter ressource tags from the ressource list queryset
# Behavior to watch, maybe at this step, the queryset has been limited by the paginator
'ressources_tags': tags_q,
})
return kwargs
def get_context_data(self, **kwargs):
kwargs = super(AlbumTagRessourcesView, self).get_context_data(**kwargs)
tags_q = Tag.objects.usage_for_queryset(self.get_ressources_queryset(),
min_count=1)
tags_q = calculate_cloud(tags_q, steps=6)
kwargs.update({
'tag_object': self.tag_object,
'ressources_tags': tags_q,
})
return kwargs
def get_context_data(self, **kwargs):
kwargs = super(AlbumDetailView, self).get_context_data(**kwargs)
tags_q = Tag.objects.usage_for_queryset(self.object_list, min_count=1)
tags_q = calculate_cloud(tags_q, steps=6)
kwargs.update({
# Filter ressource tags from the ressource list queryset
# Behavior to watch, maybe at this step, the queryset has been limited by the paginator
'ressources_tags': tags_q,
})
return kwargs
def get_member_data(self, member):
bills_tags = Tag.objects.usage_for_queryset(member.bills.all(),
counts=True)
tag_cloud = map(
lambda x: dict(size=x.font_size, count=x.count, name=x.name),
calculate_cloud(bills_tags))
bills = map(
lambda b: dict(title=b.full_title,
url=b.get_absolute_url(),
stage=b.stage,
stage_text=b.get_stage_display()),
member.bills.all())
return DictStruct(id=member.id, tag_cloud=tag_cloud, bills=bills)
def core_get_tag_cloud(context, steps=6, min_count=None, max_num_tags=2,
template='zinnia/tags/tag_cloud.html'):
"""
Return a cloud of published tags.
"""
tags = Tag.objects.usage_for_queryset(
Entry.published.all(), counts=True,
min_count=min_count)
tags = sorted(tags, key=lambda t: t.count, reverse=True)
tags = list(islice(tags, max_num_tags))
return {'template': template,
'tags': calculate_cloud(tags, steps),
'context_tag': context.get('tag')}
def asset_workspace(request, asset_id):
asset = get_object_or_404(Asset, pk=asset_id,
course=request.course)
user = request.user
if user.is_staff and request.GET.has_key('as'):
user = get_object_or_404(User,username=request.GET['as'])
global_annotation = asset.global_annotation(user)
tags = calculate_cloud(
Tag.objects.usage_for_queryset(
asset.sherdnote_set.all(), counts=True))
user_tags = calculate_cloud(
Tag.objects.usage_for_queryset(
user.sherdnote_set.filter(
asset__course=request.course
), counts=True))
comments = Comment.objects.for_model(asset)
discussions = Clumper(DiscussionIndex.with_permission(
request,
#order, to be easily groupable by discussion
DiscussionIndex.objects.filter(asset=asset).order_by('-modified')
), group_by='discussion')
return {
'asset': asset,
'comments': comments,
'global_annotation': global_annotation,
'tags': tags,
'space_viewer':user,
'user_tags': user_tags,
'annotation_form': AnnotationForm(prefix="annotation"),
'global_annotation_form': GlobalAnnotationForm(instance=global_annotation, prefix="annotation"),
'discussions' : discussions
}
def your_records(request, user_name):
c = request.course
in_course_or_404(user_name, c)
today = datetime.date.today()
user = get_object_or_404(User, username=user_name)
editable = (user==request.user)
assets = annotated_by(Asset.objects.filter(course=c),
user,
include_archives=c.is_faculty(user)
)
projects = Project.get_user_projects(user, c)
if not editable:
projects = projects.filter(submitted=True)
projects = projects.order_by('-modified')
for fil in filter_by:
filter_value = request.GET.get(fil)
if filter_value:
assets = [asset for asset in assets
if filter_by[fil](asset, filter_value, user)]
tags = calculate_cloud(Tag.objects.usage_for_queryset(
user.sherdnote_set.filter(
asset__course=c),
counts=True))
active_filters = dict((filter, request.GET.get(filter))
for filter in filter_by
if filter in request.GET)
#bad language, we should change this to user_of_assets or something
space_viewer = user
if request.GET.has_key('as') and request.user.is_staff:
space_viewer = get_object_or_404(User, username=request.GET['as'])
return {
'assets' : assets,
'projects' : projects,
'tags' : tags,
'dates' : {'today':'today',
'yesterday':'yesterday',
'lastweek':'within the last week'},
'space_owner' : user,
'space_viewer' : space_viewer,
'editable' : editable,
'active_filters': active_filters,
}
def container_view(request):
"""for all class assets view at /asset/
OPTIMIZATION: What we need:
asset: primary label, thumb.url
tags {name}
project: collaboration.get_parent, feedback_discussion
status (from collaboration)
attribution
"""
#extra() is case-insensitive order hack
#http://scottbarnham.com/blog/2007/11/20/case-insensitive-ordering-with-django-and-postgresql/
archives = list(request.course.asset_set.archives())
assets = [a for a in Asset.objects.filter(course=request.course).extra(
select={'lower_title': 'lower(assetmgr_asset.title)'}
).select_related().order_by('lower_title')
if a not in archives]
asset_ids = [a.id for a in assets]
thumbs = dict([(th.asset_id,th.url) for th in Source.objects.filter(label='thumb', asset__in=asset_ids)])
primaries = dict([(p.asset_id,p) for p in Source.objects.filter(primary=True, asset__in=asset_ids)])
#import pdb;pdb.set_trace()
for a in assets:
a._primary_cache = primaries[a.id]
a._thumb_url = thumbs.get(a.id,None)
from tagging.models import Tag
all_tags = Tag.objects.usage_for_queryset(
SherdNote.objects.filter(
asset__course=request.course),
counts=True)
all_tags.sort(lambda a,b:cmp(a.name.lower(),b.name.lower()))
all_tags = calculate_cloud(all_tags)
for fil in filter_by:
filter_value = request.GET.get(fil)
if filter_value:
assets = [asset for asset in assets
if filter_by[fil](asset, filter_value)]
active_filters = get_active_filters(request)
return {
'assets':assets,
'tags': all_tags,
'active_filters': active_filters,
'space_viewer':request.user,
'space_owner':None,
'is_faculty':request.course.is_faculty(request.user),
}
def testTagClouds(self):
tags = []
for line in open(os.path.join(os.path.dirname(__file__), 'tags.txt')).readlines():
name, count = line.rstrip().split()
tag = Tag(name=name)
tag.count = int(count)
tags.append(tag)
sizes = {}
for tag in calculate_cloud(tags, steps=5):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEqual({1: 48, 2: 30, 3: 19, 4: 15, 5: 10}, sizes)
sizes = {}
for tag in calculate_cloud(tags, steps=5, distribution=LINEAR):
sizes[tag.font_size] = sizes.get(tag.font_size, 0) + 1
# This isn't a pre-calculated test, just making sure it's consistent
self.assertEqual({1: 97, 2: 12, 3: 7, 4: 2, 5: 4}, sizes)
self.assertRaises(ValueError, calculate_cloud, tags, steps=5, distribution='cheese')
def blog_index(request, blog, page=1):
"""
Blog front page. Displays latest blog posts, excluding future posts.
Paginated.
"""
blog_tags = Tag.objects.usage_for_model(Entry, counts=True,
filters=dict(blog__slug=blog))
cloud = calculate_cloud(blog_tags)
blog_obj = get_object_or_404(Blog, slug=blog)
qs = Entry.objects.published_on_blog(blog).order_by('-pub_date')
c = {'blog': blog_obj,
'blog_tags': cloud}
return object_list(request, queryset=qs, paginate_by=10, allow_empty=False,
page=page, extra_context=c)
def cloud_for_queryset(self,
queryset,
steps=2,
distribution=LOGARITHMIC,
min_count=None):
"""
returns the tag cloud for the given queryset
See: https://code.google.com/p/django-tagging/issues/detail?id=137
"""
tags = list(
Tag.objects.usage_for_queryset(queryset,
counts=True,
min_count=min_count))
return calculate_cloud(tags, steps, distribution)
def asset_accoutrements(request, asset, user, annotation_form):
global_annotation = asset.global_annotation(user, auto_create=False)
if global_annotation:
global_annotation_form = GlobalAnnotationForm(
instance=global_annotation, prefix="annotation")
else:
global_annotation_form = GlobalAnnotationForm(prefix="annotation")
tags = calculate_cloud(
Tag.objects.usage_for_queryset(asset.sherdnote_set.all(), counts=True))
user_tags = calculate_cloud(
Tag.objects.usage_for_queryset(
user.sherdnote_set.filter(asset__course=request.course),
counts=True))
comments = Comment and Comment.objects.for_model(asset) or None
discussions = Clumper(
DiscussionIndex.with_permission(
request,
#order, to be easily groupable by discussion
DiscussionIndex.objects.filter(asset=asset).order_by('-modified')),
group_by='discussion')
return {
'asset': asset,
'comments': comments,
'global_annotation': global_annotation,
'tags': tags,
'space_viewer': user,
'user_tags': user_tags,
'annotation_form': annotation_form,
'global_annotation_form': global_annotation_form,
'discussions': discussions
}
def get_tag_cloud_su_sensitive(context,
steps=6,
min_count=None,
template='zinnia/tags/tag_cloud.html'):
if context['request'].user.is_superuser:
queryset = Entry.objects.all()
else:
queryset = Entry.published.all()
tags = Tag.objects.usage_for_queryset(queryset,
counts=True,
min_count=min_count)
return {
'template': template,
'tags': calculate_cloud(tags, steps),
'context_tag': context.get('tag')
}
def get_member_data(self, member):
bills_tags = Tag.objects.usage_for_queryset(member.bills.all(),
counts=True)
# we'll use getattr for font_size, as it might not always be there
# This prevents the need of using a forked django-tagging, and go
# upstream
tag_cloud = [{
'size': getattr(x, 'font_size', 1),
'count':x.count,
'name':x.name} for x in calculate_cloud(bills_tags)]
bills = map(lambda b: dict(title=b.full_title,
url=b.get_absolute_url(),
stage=b.stage,
stage_text=b.get_stage_display()),
member.bills.all())
return DictStruct(id=member.id, tag_cloud=tag_cloud,bills=bills)
def tag_index(request, template_name="tagging_ext/index.html", *args, **kw):
query = """
SELECT tag.name as name, COUNT(tag_item.tag_id) as counter, tag_item.tag_id as tag_id
FROM tagging_taggeditem as tag_item
INNER JOIN tagging_tag as tag ON (tag.id = tag_item.tag_id)
GROUP BY tag.name, tag_id
ORDER BY tag.name
"""
cursor = connection.cursor()
cursor.execute(query)
tags = calculate_cloud([TagInTheCloud(*row) for row in cursor],
steps=5,
distribution=LOGARITHMIC)
return render_to_response(template_name, {'tags': tags},
context_instance=RequestContext(request))
def dashboard(request):
"""
Brief snippets of all interesting site features
"""
all_subscriptions = SubscriptionUser.objects.filter(user=request.user)
subscriptions = all_subscriptions.filter(active=True)
inactive_subscriptions = all_subscriptions.filter(active=False)
for subscription in subscriptions:
subscription.count = max(1, subscription.is_fresh(request.user))
subscriptions = calculate_cloud(subscriptions)
return render(
request, "subscriptions/dashboard.html", {
"subscriptions": subscriptions,
"inactive_subscriptions": inactive_subscriptions,
"feed": get_hits(request.user),
})
def blog_index(request, blog, page=1):
"""
Blog front page. Displays latest blog posts, excluding future posts.
Paginated.
"""
blog_tags = Tag.objects.usage_for_model(Entry,
counts=True,
filters=dict(blog__slug=blog))
cloud = calculate_cloud(blog_tags)
blog_obj = get_object_or_404(Blog, slug=blog)
qs = Entry.objects.published_on_blog(blog).order_by('-pub_date')
c = {'blog': blog_obj, 'blog_tags': cloud}
return object_list(request,
queryset=qs,
paginate_by=10,
allow_empty=False,
page=page,
extra_context=c)
def annotations_collection_fragment(request,username=None):
"""username is WAY overloaded
username='******' : just give me the selection menu
username=None : give me all assets for the class
username=<username> : all username assets
"""
rv = {'space_viewer':request.user,
'space_owner':False, #indicates we want the whole class (None is no one)
'page_in_edit_mode': request.GET.has_key('edit_mode'),
}
if username != 'none':
if username \
and (request.user.username != username or request.course.is_true_member(request.user)):
rv['space_owner'] = in_course_or_404(username, request.course)
#assets = annotated_by(Asset.objects.filter(course=request.course),
# space_owner)
note_query = rv['space_owner'].sherdnote_set.filter(asset__course=request.course)
else:
#assets = Asset.objects.filter(course=request.course)
note_query = SherdNote.objects.filter(asset__course=request.course)
rv['tags'] = calculate_cloud(Tag.objects.usage_for_queryset(note_query, counts=True))
#all_tags.sort(lambda a,b:cmp(a.name.lower(),b.name.lower()))
#all_tags = calculate_cloud(all_tags)
filter_by = ('tag','modified')
for fil in filter_by:
filter_value = request.GET.get(fil)
if filter_value:
s_filter = getattr(SherdNote.objects,'%s_filter'%fil)
note_query = s_filter(filter_value,note_query)
#until asset_table.html can work off the notes objects instead of the assets list
rv['assets'] = Asset.objects.filter(id__in = note_query.values_list('asset',flat=True))
rv['active_filters'] = get_active_filters(request)
rv['dates'] = (('today','today'),
('yesterday','yesterday'),
('lastweek','within the last week'),
)
return rv
def cloud_for_model(
self,
model,
steps=4,
distribution=LOGARITHMIC,
filters=None,
min_count=None,
limit=None,
):
"""
Obtain a list of tags associated with instances of the given
Model, giving each tag a ``count`` attribute indicating how
many times it has been used and a ``font_size`` attribute for
use in displaying a tag cloud.
``steps`` defines the range of font sizes - ``font_size`` will
be an integer between 1 and ``steps`` (inclusive).
``distribution`` defines the type of font size distribution
algorithm which will be used - logarithmic or linear. It must
be either ``tagging.utils.LOGARITHMIC`` or
``tagging.utils.LINEAR``.
To limit the tags displayed in the cloud to those associated
with a subset of the Model's instances, pass a dictionary of
field lookups to be applied to the given Model as the
``filters`` argument.
To limit the tags displayed in the cloud to those with a
``count`` greater than or equal to ``min_count``, pass a value
for the ``min_count`` argument.
To limite the amount of tags displayed in the cloud, pass a value for
the ``limit`` argument.
"""
tags = list(
self.usage_for_model(
model,
counts=True,
filters=filters,
min_count=min_count,
limit=limit,
), )
return calculate_cloud(tags, steps, distribution)
def render(self, context):
object = self.object.resolve(context)
user = self.user.resolve(context)
if self.include:
if not user.is_anonymous():
ownedwrapper = OwnedWrapper.objects.get_for_object(
user, object)
context[self.var_name] = Tag.objects.get_for_object(
ownedwrapper)
else:
qs = OwnedWrapper.objects.filter(object_id=object.id,
content_type=OwnedWrapper.t(
object.__class__))
if not user.is_anonymous():
qs = qs.exclude(user=user)
tags = list(Tag.objects.usage_for_queryset(qs, counts=True))
context[self.var_name] = calculate_cloud(tags)
return ''
def website_detail(request, slug):
w = get_object_or_404(Website, slug=slug)
if w.tags:
try:
related_tags = Tag.objects.related_for_model(w.tags,
Website,
counts=True)
tag_cloud = calculate_cloud(related_tags)
except:
tag_cloud = []
else:
tag_cloud = []
return render_to_response(
'websites/website_detail.html',
RequestContext(request, {
'object': w,
'related_tag_cloud': tag_cloud,
}))
def index(request):
if request.user.is_authenticated():
#User should have that after authorisation
#request.user.user_permissions.add('User')
pass
#latest_addons = Addon.objects.all().order_by('-pub_date')[:5]
recomended_addons = Addon.objects.all().order_by('-rating')[:4]
categories = Category.objects.all()
tags = Tag.objects.usage_for_model(Addon, counts=True)
tag_cloud = utils.calculate_cloud(tags,
steps=5,
distribution=utils.LOGARITHMIC)
return render_to_response(
'main/index.html', {
'tag_cloud': tag_cloud,
'recomended_addons': recomended_addons,
'categories': categories,
'user': request.user,
'site_name': Site.objects.get_current().name
})
def get_tag_cloud(cls, user):
"""Get current tags available to user.
@param user: user to get current items for
@type user: auth.models.user
@return: current tags available to user
@rtype: list of tagging.Tag
"""
# without if-construct sqlite3 barfs on AnonymousUser
if user.id:
qs = (Q(user=user) | Q(is_public=True)) & Q(is_current=True)
else:
qs = Q(is_public=True) & Q(is_current=True)
if cls:
tags = Tag.objects.usage_for_queryset(cls.objects.filter(qs), counts=True)
else:
tags = Tag.objects.usage_for_queryset(
repository.models.Data.objects.filter(qs & Q(is_approved=True)), counts=True)
tags.extend(Tag.objects.usage_for_queryset(
repository.models.Task.objects.filter(qs), counts=True))
tags.extend(Tag.objects.usage_for_queryset(
repository.models.Method.objects.filter(qs), counts=True))
current = {}
for t in tags:
if not t.name in current:
current[t.name] = t
else:
current[t.name].count += t.count
tags = current.values()
if tags:
cloud = calculate_cloud(tags, steps=2)
random.seed(hash(cls)+len(tags))
random.shuffle(cloud)
else:
cloud = None
return cloud
def tags(request):
all_tags = {}
# Python 2.7 would clean this up by using collections.Counter
def update_tags(tag):
existing = all_tags.get(tag.name, None)
if existing:
existing.count += tag.count
else:
all_tags[tag.name] = tag
scraper_tags = Tag.objects.usage_for_model(Scraper, counts=True,
filters={'privacy_status':'public'})
view_tags = Tag.objects.usage_for_model(View, counts=True,
filters={'privacy_status':'public'})
for tag in itertools.chain(scraper_tags, view_tags):
update_tags(tag)
tags = calculate_cloud(all_tags.values(),
steps=4, distribution=LOGARITHMIC)
return render_to_response('frontend/tags.html', {'tags':tags},
context_instance=RequestContext(request))
def mock_analysis_space(request):
user_tags = calculate_cloud(
Tag.objects.usage_for_queryset(
request.user.sherdnote_set.filter(asset__course=request.course),
counts=True))
sources = sources_from_args(request)
title = getattr(request, request.method).get('title', '')
mock_asset = dict(
title=title,
source_set={'all': sources.values()},
html_source={'url': request.GET.get('url', None)},
)
return {
'mock': True,
'asset': mock_asset,
'user_tags': user_tags,
'annotation_form': AnnotationForm(prefix="annotation"),
'global_annotation_form': GlobalAnnotationForm(prefix="annotation"),
}
def render(self, context):
tags = Tag.objects.annotate(count=Count("items")).exclude(count=0)
context[self.context_var] = calculate_cloud(tags, **self.kwargs)
return ''
def blogcloud():
tags = Tag.objects.usage_for_model(Entry, counts=True)
tags = tagutils.calculate_cloud(tags)
return {'tags': tags}
def test_invalid_distribution(self):
try:
calculate_cloud(self.tags, steps=5, distribution='cheese')
except ValueError, ve:
self.assertEquals(
str(ve), 'Invalid distribution algorithm specified: cheese.')
def get_tag_cloud(steps=6, template='objectapp/tags/tag_cloud.html'):
"""Return a cloud of published tags"""
tags = Tag.objects.usage_for_queryset(Gbobject.published.all(),
counts=True)
return {'template': template, 'tags': calculate_cloud(tags, steps)}
