def add(self, *tags):
str_tags = set(
[t for t in tags if not isinstance(t, self.through.tag_model())])
tag_objs = set(tags) - str_tags
# If str_tags has 0 elements Django actually optimizes that to not do a
# query. Malcolm is very smart.
if len(str_tags) > 0:
# Assuming tags are [foo, bar]: do an insensitive regexp search for
# (^foo$|^bar$). This is necessary b/c mysql will match accents on
# characters with IN syntax. ie: vidéo == video
existing = self.through.tag_model().objects.filter(
name__iregex=r'(%s)' %
'|'.join(['^%s$' % re.escape(x) for x in str_tags]))
else:
existing = {}
tag_objs.update(existing)
for new_tag in str_tags - set(t.name for t in existing):
tag_objs.add(self.through.tag_model().objects.create(name=new_tag))
for tag in tag_objs:
self.through.objects.get_or_create(tag=tag,
**self._lookup_kwargs())
tags_add.send(sender=self.instance.__class__,
instance=self.instance,
tags=tag_objs)
def add(self, *tags):
str_tags = set([
t
for t in tags
if not isinstance(t, self.through.tag_model())
])
tag_objs = set(tags) - str_tags
# If str_tags has 0 elements Django actually optimizes that to not do a
# query. Malcolm is very smart.
if len(str_tags) > 0:
# Assuming tags are [foo, bar]: do an insensitive regexp search for
# (^foo$|^bar$). This is necessary b/c mysql will match accents on
# characters with IN syntax. ie: vidéo == video
existing = self.through.tag_model().objects.filter(
name__iregex = r'(%s)' % '|'.join(
['^%s$' % re.escape(x) for x in str_tags])
)
else:
existing = {}
tag_objs.update(existing)
for new_tag in str_tags - set(t.name for t in existing):
tag_objs.add(self.through.tag_model().objects.create(name=new_tag))
for tag in tag_objs:
self.through.objects.get_or_create(tag=tag, **self._lookup_kwargs())
tags_add.send(sender=self.instance.__class__, instance=self.instance,
tags=tag_objs)
def add(self, *tags):
str_tags = set([
t
for t in tags
if not isinstance(t, self.through.tag_model())
])
tag_objs = set(tags) - str_tags
# If str_tags has 0 elements Django actually optimizes that to not do a
# query. Malcolm is very smart.
existing = self.through.tag_model().objects.filter(
name__in=str_tags
)
tag_objs.update(existing)
for new_tag in str_tags - set(t.name for t in existing):
tag_objs.add(self.through.tag_model().objects.create(name=new_tag))
for tag in tag_objs:
self.through.objects.get_or_create(tag=tag, **self._lookup_kwargs())
tags_add.send(sender=self.instance.__class__, instance=self.instance, tags=tag_objs)
