async update of annotation matches, fixes deadlock in load_subtitles

This commit is contained in:
j 2016-08-31 18:03:19 +02:00
parent 3913373c9b
commit 1c580a2df7
4 changed files with 23 additions and 18 deletions

View file

@ -134,6 +134,7 @@ class Annotation(models.Model):
def save(self, *args, **kwargs):
from .tasks import update_matches
async = kwargs.pop('async', False)
set_public_id = not self.id or not self.public_id
layer = self.get_layer()
@ -177,14 +178,16 @@ class Annotation(models.Model):
'id': self.clip.id,
self.layer: False
}).update(**{self.layer: True})
#update clip.findvalue
# update clip.findvalue
self.clip.save()
#editAnnotations needs to be in snyc
# editAnnotations needs to be in snyc
# load_subtitles can not be in sync
fn = update_matches.delay if async else update_matches
if layer.get('type') == 'place' or layer.get('hasPlaces'):
update_matches(self.id, 'place')
fn(self.id, 'place')
if layer.get('type') == 'event' or layer.get('hasEvents'):
update_matches(self.id, 'event')
fn(self.id, 'event')
def delete(self, *args, **kwargs):
with transaction.atomic():

View file

@ -18,10 +18,13 @@ def update_matches(id, type):
elif type == 'event':
from event.models import Event as Model
a = Annotation.objects.get(pk=id)
try:
a = Annotation.objects.get(pk=id)
except Annotation.DoesNotExist:
return
a_matches = getattr(a, type == 'place' and 'places' or 'events')
#remove undefined matches that only have this annotation
# remove undefined matches that only have this annotation
for p in a_matches.filter(defined=False).exclude(name=a.value):
if p.annotations.exclude(id=id).count() == 0:
p.delete()
@ -33,8 +36,7 @@ def update_matches(id, type):
if a.findvalue:
names = {}
for n in Model.objects.all().values('id', 'name', 'alternativeNames'):
names[n['id']] = [ox.decode_html(x)
for x in (n['name'],) + n['alternativeNames']]
names[n['id']] = [ox.decode_html(x) for x in (n['name'],) + n['alternativeNames']]
value = a.findvalue.lower()
current = [p.id for p in a_matches.all()]
@ -49,19 +51,19 @@ def update_matches(id, type):
new = []
for i in matches:
p = Model.objects.get(pk=i)
#only add places/events that did not get added as a super match
#i.e. only add The Paris Region and not Paris
# only add places/events that did not get added as a super match
# i.e. only add The Paris Region and not Paris
if not filter(lambda n: n in name_matches,
[n.lower() for n in p.get_super_matches()]):
new.append(i)
removed = list(filter(lambda p: p not in new, current))
added = list(filter(lambda p: p not in current, new))
update = removed + added
removed = set(filter(lambda p: p not in new, current))
added = set(filter(lambda p: p not in current, new))
update = list(removed | added)
if update:
for e in Model.objects.filter(id__in=update):
e.update_matches(Annotation.objects.filter(pk=a.id))
else:
#annotation has no value, remove all exisint matches
# annotation has no value, remove all exisint matches
for e in a_matches.all():
e.update_matches(Annotation.objects.filter(pk=a.id))

View file

@ -1632,7 +1632,7 @@ class Item(models.Model):
value=value,
user=user
)
annotation.save()
annotation.save(async=True)
# otherwise add empty 5 seconds annotation every minute
if not subtitles_added:
start = offset and int(offset / 60) * 60 + 60 or 0
@ -1647,7 +1647,7 @@ class Item(models.Model):
value='',
user=user
)
annotation.save()
annotation.save(async=True)
offset += f.duration
# remove left over clips without annotations
Clip.objects.filter(item=self, annotations__id=None).delete()

View file

@ -107,13 +107,13 @@ class Place(models.Model):
numberofmatches = -1
for a in annotations.exclude(id__in=matches):
self.annotations.remove(a)
#annotations of type place always need a place
# annotations of type place always need a place
if a.get_layer().get('type') == 'place' and a.places.count() == 0:
a.places.add(Place.get_or_create(a.value))
for p in a.places.exclude(id=self.id):
p.update_matches()
for a in matches.exclude(id__in=self.annotations.all()):
#need to check again since editEvent might have been called again
# need to check again since editEvent might have been called again
if self.annotations.filter(id=a.id).count() == 0:
self.annotations.add(a)
ids = list(set([a['item_id'] for a in self.annotations.all().values('item_id')]))