forked from 0x2620/pandora
264 lines
9.8 KiB
Python
264 lines
9.8 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, with_statement
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import re
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import unicodedata
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from django.db import models
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from django.db.models import Q
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from django.contrib.auth.models import User
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from django.conf import settings
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from django.db.models.signals import pre_delete
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import ox
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from clip.models import Clip
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from changelog.models import Changelog
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from item.utils import sort_string, get_by_key
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import managers
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import utils
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from tasks import update_matches
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def get_super_matches(obj, model):
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super_matches = []
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q = Q(name_find__contains=" " + obj.name)|Q(name_find__contains="|%s"%obj.name)
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for name in obj.alternativeNames:
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q = q|Q(name_find__contains=" " + name)|Q(name_find__contains="|%s"%name)
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for p in model.objects.filter(q).exclude(id=obj.id):
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for othername in [p.name] + list(p.alternativeNames):
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for name in [obj.name] + list(obj.alternativeNames):
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if name in othername:
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super_matches.append(othername)
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return super_matches
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def get_matches(obj, model, layer_type, qs=None):
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super_matches = obj.get_super_matches()
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exact = [l['id'] for l in filter(lambda l: l['type'] == layer_type, settings.CONFIG['layers'])]
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if exact:
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q = Q(value__iexact=obj.name)
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for name in obj.alternativeNames:
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q = q|Q(value__iexact=name)
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f = q&Q(layer__in=exact)
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else:
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f = None
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has_type = 'has%ss' % layer_type.capitalize()
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contains = [l['id'] for l in filter(lambda l: l.get(has_type), settings.CONFIG['layers'])]
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if contains:
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name = ox.decode_html(obj.name)
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name = unicodedata.normalize('NFKD', name).lower()
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q = Q(findvalue__icontains=" " + name)|Q(findvalue__istartswith=name)
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for name in obj.alternativeNames:
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name = ox.decode_html(name)
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name = unicodedata.normalize('NFKD', name).lower()
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q = q|Q(findvalue__icontains=" " + name)|Q(findvalue__istartswith=name)
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contains_matches = q&Q(layer__in=contains)
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if f:
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f = contains_matches | f
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else:
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f = contains_matches
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matches = []
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if not qs:
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qs = Annotation.objects.all()
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for a in qs.filter(f):
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if a.findvalue:
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value = a.findvalue.lower()
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for name in super_matches:
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name = ox.decode_html(name)
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value = value.replace(name.lower(), '')
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for name in [obj.name] + list(obj.alternativeNames):
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name = name.lower()
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name = ox.decode_html(name)
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name = unicodedata.normalize('NFKD', name).lower()
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if name in value and (exact or re.compile('((^|\s)%s([\.,;:!?\'"\)\]\-\/\s]|$))'%re.escape(name)).findall(value)):
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matches.append(a.id)
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break
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if not matches:
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matches = [-1]
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return Annotation.objects.filter(id__in=matches)
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class Annotation(models.Model):
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objects = managers.AnnotationManager()
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#FIXME: here having a item,start index would be good
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created = models.DateTimeField(auto_now_add=True)
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modified = models.DateTimeField(auto_now=True)
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user = models.ForeignKey(User)
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item = models.ForeignKey('item.Item', related_name='annotations')
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clip = models.ForeignKey('clip.Clip', null=True, related_name='annotations')
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public_id = models.CharField(max_length=128, unique=True, null=True)
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#seconds
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start = models.FloatField(default=-1, db_index=True)
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end = models.FloatField(default=-1, db_index=True)
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layer = models.CharField(max_length=255, db_index=True)
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value = models.TextField()
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findvalue = models.TextField(null=True)
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sortvalue = models.CharField(max_length=1000, null=True, blank=True, db_index=True)
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languages = models.CharField(max_length=255, null=True, blank=True)
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def editable(self, user):
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if user.is_authenticated():
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if user.get_profile().capability('canEditAnnotations') or \
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self.user == user or \
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user.groups.filter(id__in=self.item.groups.all()).count() > 0:
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return True
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return False
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def set_public_id(self):
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if self.id:
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public_id = Annotation.objects.filter(item=self.item, id__lt=self.id).count() + 1
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if public_id > 1:
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previous = Annotation.objects.filter(item=self.item,
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id__lt=self.id).order_by('-id')[0]
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if not previous.public_id:
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previous.set_public_id()
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public_id = ox.fromAZ(previous.public_id.split('/')[-1]) + 1
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self.public_id = "%s/%s" % (self.item.public_id, ox.toAZ(public_id))
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Annotation.objects.filter(id=self.id).update(public_id=self.public_id)
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@classmethod
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def public_layers(self):
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layers = []
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for layer in settings.CONFIG['layers']:
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if not layer.get('private', False):
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layers.append(layer['id'])
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return layers
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def get_layer(self):
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for layer in settings.CONFIG['layers']:
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if layer['id'] == self.layer:
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return layer
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return {}
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def save(self, *args, **kwargs):
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set_public_id = not self.id or not self.public_id
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layer = self.get_layer()
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if self.value:
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self.value = utils.cleanup_value(self.value, layer['type'])
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self.findvalue = ox.decode_html(ox.strip_tags(re.sub('<br */?>\n?', ' ', self.value))).replace('\n', ' ')
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self.findvalue = unicodedata.normalize('NFKD', self.findvalue).lower()
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sortvalue = sort_string(self.findvalue)
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while sortvalue and not unicodedata.category(sortvalue[0])[0] in ('L', 'N'):
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sortvalue = sortvalue[1:]
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if sortvalue:
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self.sortvalue = sortvalue[:900]
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else:
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self.sortvalue = None
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self.languages = ','.join(re.compile('lang="(.*?)"').findall(self.value))
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if not self.languages:
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self.languages = None
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else:
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self.findvalue = None
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self.sortvalue = None
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self.languages = None
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if not self.clip or self.start != self.clip.start or self.end != self.clip.end:
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self.clip, created = Clip.get_or_create(self.item, self.start, self.end)
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super(Annotation, self).save(*args, **kwargs)
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if set_public_id:
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self.set_public_id()
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if self.clip:
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Clip.objects.filter(**{
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'id': self.clip.id,
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self.layer: False
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}).update(**{self.layer: True})
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#update clip.findvalue
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self.clip.save()
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#editAnnotations needs to be in snyc
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if layer.get('type') == 'place' or layer.get('hasPlaces'):
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update_matches(self.id, 'place')
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if layer.get('type') == 'event' or layer.get('hasEvents'):
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update_matches(self.id, 'event')
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def delete(self, *args, **kwargs):
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super(Annotation, self).delete(*args, **kwargs)
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if self.clip and self.clip.annotations.count() == 0:
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self.clip.delete()
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self.item.update_find()
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self.item.update_sort()
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self.item.update_facets()
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def cleanup_undefined_relations(self):
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layer = self.get_layer()
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if layer.get('type') == 'place':
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for p in self.places.filter(defined=False):
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if p.annotations.exclude(id=self.id).count() == 0:
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p.delete()
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elif layer.get('type') == 'event':
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for e in self.events.filter(defined=False):
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if e.annotations.exclude(id=self.id).count() == 0:
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e.delete()
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def json(self, layer=False, keys=None, user=None):
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j = {
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'user': self.user.username,
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}
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for key in ('id', 'in', 'out', 'value', 'created', 'modified'):
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j[key] = getattr(self, {
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'hue': 'clip__hue',
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'id': 'public_id',
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'in': 'start',
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'lightness': 'clip__lightness',
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'out': 'end',
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'saturation': 'clip__saturation',
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'volume': 'clip__volume',
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}.get(key, key))
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j['duration'] = abs(j['out'] - j['in'])
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if user:
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j['editable'] = self.editable(user)
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if self.languages:
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j['languages'] = self.languages.split(',')
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l = self.get_layer()
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if l['type'] == 'place':
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qs = self.places.all()
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if qs.count() > 0:
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j['place'] = qs[0].json(user=user)
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else:
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j['place'] = {}
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elif l['type'] == 'event':
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qs = self.events.all()
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if qs.count() > 0:
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j['event'] = qs[0].json(user=user)
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else:
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j['event'] = {}
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if layer or (keys and 'layer' in keys):
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j['layer'] = self.layer
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if keys and 'item' in keys:
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j['item'] = self.item.public_id
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if keys:
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_j = {}
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for key in keys:
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if key in j:
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_j[key] = j[key]
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j = _j
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if 'videoRatio' in keys:
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streams = self.item.streams()
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if streams:
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j['videoRatio'] = streams[0].aspect_ratio
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subtitles = get_by_key(settings.CONFIG['layers'], 'isSubtitles', True)
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if subtitles:
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if 'id' in j and self.layer == subtitles['id'] and not self.value:
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del j['id']
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return j
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def log(self):
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c = Changelog(type='annotation')
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c.value = self.json(layer=True)
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c.save()
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def __unicode__(self):
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return u"%s %s-%s" %(self.public_id, self.start, self.end)
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def cleanup_related(sender, **kwargs):
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kwargs['instance'].cleanup_undefined_relations()
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pre_delete.connect(cleanup_related, sender=Annotation)
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