def process_merge(ctype, to_tag, from_tag):
logger = logging.getLogger('antichaos.utils')
try:
to_tag = Tag.objects.get(id=to_tag)
except Tag.DoesNotExist:
logger.error('skip merge from_tag=%(from_tag)s to_tag=%(to_tag)s cause to_tag is missing.' % locals())
return
try:
from_tag = Tag.objects.get(id=from_tag)
except Tag.DoesNotExist:
logger.error('skip merge from_tag=%(from_tag)s to_tag=%(to_tag)s cause from_tag is missing.' % locals())
return
logger.debug('merging tag "%s" to tag "%s"' % (from_tag.name, to_tag.name))
if hasattr(settings, 'MULTILINGUAL_TAGS'):
"""Specialization for tagging-ng's delete method."""
from tagging.utils import merge
merge(to_tag, from_tag, ctype)
return
for item in from_tag.items.filter(content_type = ctype):
if to_tag.items.filter(
content_type = ctype,
object_id = item.object_id).count() != 0:
logger.debug('item "%s" already binded to tag "%s"' % (item, to_tag))
item.delete()
else:
item.tag = to_tag
item.save()
logger.debug('item "%s" merged' % item)
update_objects_tags(item.object)
def testMergeTagsCreatesSynonyms(self):
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(['second'], [s.name for s in get_tag('two').synonyms.all()])
def join(self, query):
"""This method joins multiple tags together."""
from tagging.utils import merge
logger.info('Joining %s' % ','.join([unicode(obj) for obj in query]))
tags = list(query)
if len(tags) < 2:
return
first = tags[0]
tags = tags[1:]
for t in tags:
merge(first, t)
def join(self, query):
"""This method joins multiple tags together."""
from tagging.utils import merge
logger.info('Joining %s' % ','.join([unicode(obj) for obj in query]))
tags = list(query)
if len(tags) < 2:
return
first = tags[0]
tags = tags[1:]
for t in tags:
merge(first, t)
def testMergeTagsWhenSynonymAlreadyExists(self):
first = TestItem(title = 'first', tags = 'one, two, blah')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
blah = get_tag('blah')
blah.synonyms.create(name='second')
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
self.assertEqual(['second'], [s.name for s in get_tag('blah').synonyms.all()])
def testMergeTagsDeletesSecondTagIfNoMoreTaggedItems(self):
self.assertEqual(0, Tag.objects.count())
self.assertEqual(0, TaggedItem.objects.count())
self.assertEqual(0, Synonym.objects.count())
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
self.assertEqual(1, len(with_tag('one')))
self.assertEqual(1, len(with_tag('two')))
self.assertEqual(1, len(with_tag('second')))
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(1, len(with_tag('one')))
self.assertEqual(2, len(with_tag('two')))
self.assertRaises(Tag.DoesNotExist, Tag.objects.get, name = 'second')
def merge_tags(modeladmin, request, queryset):
if request.POST.get('master_tag'):
print 'POST!!!!!!!!!!'
master_tag = Tag.objects.get(pk=int(request.POST.get('master_tag')))
tag_ids = request.POST.get('tag_ids').split(',')
for t in Tag.objects.exclude(pk=master_tag.pk).filter(pk__in=tag_ids):
print 'slave: %s' % t
for i in t.items.all():
merge(master_tag, t)
else:
context = {
'title': "Are you sure?",
'queryset': queryset,
'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
}
return TemplateResponse(request, 'admin/confirm_merge.html',
context, current_app=modeladmin.admin_site.name)
def testMergeTagsNotDeletesSecondTag(self):
self.assertEqual(0, Tag.objects.count())
self.assertEqual(0, TaggedItem.objects.count())
self.assertEqual(0, Synonym.objects.count())
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
third = TestItemWithCallback(title = 'third', tags = 'second')
third.save()
self.assertEqual(1, len(with_tag('second')))
self.assertEqual(1, len(with_tag('second', TestItemWithCallback)))
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(0, len(with_tag('second')))
self.assertEqual(1, len(with_tag('second', TestItemWithCallback)))
self.assert_(Tag.objects.get(name = 'second'))
