cablegates/pandora/backend/models.py
2010-11-25 10:05:31 +00:00

941 lines
34 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division, with_statement
from datetime import datetime
import os.path
import math
import random
import re
import subprocess
from glob import glob
from django.db import models
from django.db.models import Q
from django.contrib.auth.models import User
from django.core.files.base import ContentFile
from django.utils import simplejson as json
from django.conf import settings
from oxdjango import fields
import ox
from ox import stripTags
from ox.normalize import canonicalTitle, canonicalName
from firefogg import Firefogg
import managers
import load
import utils
from archive import extract
def getItem(info):
'''
info dict with:
imdbId, title, director, episode_title, season, series
'''
if 'imdbId' in info and info['imdbId']:
try:
item = Item.objects.get(itemId=info['imdbId'])
except Item.DoesNotExist:
item = Item(itemId=info['imdbId'])
if 'title' in info and 'directors' in info:
item.imdb = {
'title': info['title'],
'directors': info['directors'],
'year': info.get('year', '')
}
#FIXME: this should be done async
#item.save()
#tasks.updateImdb.delay(item.itemId)
item.updateImdb()
else:
q = Item.objects.filter(find__title=info['title'])
if q.count() > 1:
print "FIXME: check more than title here!!?"
item = q[0]
else:
try:
item = Item.objects.get(itemId=info['oxdbId'])
except Item.DoesNotExist:
item = Item()
item.metadata = {
'title': info['title'],
'directors': info['directors'],
'year': info.get('year', '')
}
item.itemId = info['oxdbId']
for key in ('episode_title', 'series_title', 'season', 'episode'):
if key in info and info[key]:
item.metadata[key] = info[key]
item.save()
return item
class Item(models.Model):
person_keys = ('director', 'writer', 'producer', 'editor', 'cinematographer', 'actor', 'character')
facet_keys = person_keys + ('country', 'language', 'genre', 'keyword')
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
published = models.DateTimeField(default=datetime.now, editable=False)
#only items that have metadata from files are available,
#this is indicated by setting available to True
available = models.BooleanField(default=False, db_index=True)
itemId = models.CharField(max_length=128, unique=True, blank=True)
oxdbId = models.CharField(max_length=42, unique=True, blank=True)
objects = managers.ItemManager()
def get(self, key, default=None):
if self.metadata and key in self.metadata:
return self.metadata[key]
if self.imdb and key in self.imdb:
return self.imdb[key]
return default
def editable(self, user):
#FIXME: make permissions work
return False
def edit(self, data):
#FIXME: how to map the keys to the right place to write them to?
for key in data:
if key != 'id':
setattr(self.metadata, key, data[key])
self.oxdb.save()
self.save()
def reviews(self):
reviews = self.get('reviews', [])
whitelist = [w for w in ReviewWhitelist.objects.all()]
_reviews = {}
for r in reviews:
for w in whitelist:
if w.url in r[0]:
_reviews[w.title] = r[0]
return _reviews
imdb = fields.DictField(default={}, editable=False)
metadata = fields.DictField(default={}, editable=False)
json = fields.DictField(default={}, editable=False)
def updateImdb(self):
if len(self.itemId) == 7:
self.imdb = ox.web.imdb.Imdb(self.itemId)
self.save()
poster = models.ImageField(default=None, blank=True, upload_to=lambda m, x: os.path.join(itemid_path(m.itemId), "poster.jpg"))
poster_url = models.TextField(blank=True)
poster_height = models.IntegerField(default=0)
poster_width = models.IntegerField(default=0)
poster_frame = models.FloatField(default=-1)
#stream related fields
stream_aspect = models.FloatField(default=4/3)
def __unicode__(self):
year = self.get('year')
if year:
return u'%s (%s)' % (self.get('title'), self.get('year'))
return self.get('title')
def get_absolute_url(self):
return '/timeline#%s' % self.itemId
def save(self, *args, **kwargs):
self.json = self.get_json()
if not self.oxdbId:
self.oxdbId = self.oxid()
if self.poster:
self.poster_height = self.poster.height
self.poster_width = self.poster.width
else:
self.poster_height = 128
self.poster_width = 80
super(Item, self).save(*args, **kwargs)
self.updateFind()
self.updateSort()
self.updateFacets()
def delete(self, *args, **kwargs):
self.delete_poster()
for f in glob("%s*"%self.timeline_prefix):
os.unlink(f)
for f in glob("%sstrip*"%self.timeline_prefix[:-8]):
os.unlink(f)
super(Item, self).delete(*args, **kwargs)
def mergeWith(self, other):
'''
move all related tables to other and delete self
'''
for stream in self.streams.all():
stream.item = other
stream.save()
for l in self.lists.all():
l.items.remove(self)
if l.items.filter(id=other.id) == 0:
l.items.add(other)
#FIXME: should this really happen for layers?
for l in self.layer.all():
l.items.remove(self)
if l.items.filter(id=other.id) == 0:
l.items.add(other)
if hasattr(self, 'files'):
for f in self.files.all():
f.item = other
f.save()
self.delete()
other.save()
'''
JSON cache related functions
'''
_public_fields = {
'itemId': 'id',
'title': 'title',
'year': 'year',
'runtime': 'runtime',
'release_date': 'release_date',
'countries': 'country',
'directors': 'director',
'writers': 'writer',
'editors': 'editor',
'producers': 'producer',
'cinematographer': 'cinematographer',
'languages': 'language',
'genres': 'genre',
'keywords': 'keyword',
'cast': 'cast',
'series_title': 'series_title',
'episode_title': 'episode_title',
'season': 'season',
'episode': 'episode',
'reviews': 'reviews',
'trivia': 'trivia',
'rating': 'rating',
'votes': 'votes',
'alternative_titles': 'alternative_titles',
'connections_json': 'connections',
}
def get_poster(self):
poster = {}
poster['width'] = self.poster_width
poster['height'] = self.poster_height
poster['url'] = '/%s/poster.jpg' % self.itemId
'''
if self.poster:
poster['url'] = self.poster.url
else:
poster['url'] = self.poster_url
'''
return poster
def get_posters(self):
posters = {}
for p in self.poster_urls.all():
if p.service not in posters:
posters[p.service] = []
posters[p.service].append({'url': p.url, 'width': p.width, 'height': p.height})
local_posters = self.local_posters().keys()
if local_posters:
posters['local'] = []
for p in local_posters:
url = p.replace(settings.MEDIA_ROOT, settings.MEDIA_URL)
width = 640
height = 1024
posters['local'].append({'url': url, 'width': width, 'height': height})
return posters
def get_stream(self):
stream = {}
if self.streams.all().count():
s = self.streams.all()[0]
if s.video and s.info:
stream['duration'] = s.info['duration']
if 'video' in s.info and s.info['video']:
stream['aspectRatio'] = s.info['video'][0]['width'] / s.info['video'][0]['height']
if settings.XSENDFILE or settings.XACCELREDIRECT:
stream['baseUrl'] = '/%s' % self.itemId
else:
stream['baseUrl'] = os.path.dirname(s.video.url)
stream['profiles'] = list(set(map(lambda s: int(os.path.splitext(s['profile'])[0][:-1]), self.streams.all().values('profile'))))
return stream
def get_layers(self):
layers = {}
layers['cuts'] = self.metadata.get('cuts', {})
layers['subtitles'] = {}
qs = self.files.filter(is_subtitle=True, is_main=True, available=True)
if qs.count()>0:
layers['subtitles'] = qs[0].srt()
return layers
def get_json(self, fields=None):
item = {}
for key in self._public_fields:
pub_key = self._public_fields.get(key, key)
if not fields or pub_key in fields:
if hasattr(self, key):
value = getattr(self, key)
else:
value = self.get(key)
if callable(value):
item[pub_key] = value()
else:
item[pub_key] = value
if not fields:
item['stream'] = self.get_stream()
item['poster'] = self.get_poster()
item['posters'] = self.get_posters()
if fields:
for f in fields:
if f.endswith('.length') and f[:-7] in ('cast', 'genre', 'trivia'):
item[f] = getattr(self.sort, f[:-7])
return item
def fields(self):
fields = {}
for f in self._meta.fields:
if f.name in self._public_fields:
fields[f.name] = {}
fields[f.name]['order'] = 'desc'
fields[f.name]['type'] = type(f)
return fields
fields = classmethod(fields)
def oxid(self):
return utils.oxid(self.get('title', ''), self.get('directors', []), str(self.get('year', '')),
self.get('series title', ''), self.get('episode title', ''),
self.get('season', ''), self.get('episode', ''))
def oxid_new(self):
return utils.oxdb_id(self.get('title', ''), self.get('directors', []), str(self.get('year', '')),
self.get('season', ''), self.get('episode', ''),
self.get('episode title', ''))
#(title, directors=[], year='', season='', episode='', episode_title='', episode_director='', episode_year='')
'''
Search related functions
'''
def updateFind(self):
try:
f = self.find
except ItemFind.DoesNotExist:
f = ItemFind(item=self)
f.title = '\n'.join([self.get('title'), self.get('original_title', '')])
#FIXME: filter us/int title
#f.title += ' '.join([t.title for t in self.alternative_titles()])
f.year = self.get('year', '')
for key in self.facet_keys:
if key == 'actor':
values = [i[0] for i in self.get('actor', [])]
elif key == 'character':
values = [i[1] for i in self.get('actor', [])]
else:
values = self.get(utils.plural_key(key), [])
setattr(f, key, '|%s|'%'|'.join(values))
f.summary = self.get('plot', '') + self.get('plot_outline', '')
f.trivia = ' '.join(self.get('trivia', []))
f.location = '|%s|'%'|'.join(self.get('filming_locations', []))
#FIXME:
#f.dialog = 'fixme'
f.dialog = '\n'.join([l.value for l in Layer.objects.filter(type='subtitle', item=self).order_by('start')])
#FIXME: collate filenames
#f.filename = self.filename
f.all = ' '.join(filter(None, [f.title, f.director, f.country, str(f.year), f.language,
f.writer, f.producer, f.editor, f.cinematographer,
f.actor, f.character, f.genre, f.keyword, f.summary, f.trivia,
f.location, f.filename]))
f.save()
def updateSort(self):
try:
s = self.sort
except ItemSort.DoesNotExist:
s = ItemSort(item=self)
def sortNames(values):
sort_value = ''
if values:
sort_value = '; '.join([getPersonSort(name) for name in values])
if not sort_value:
sort_value = ''
return sort_value
#title
title = canonicalTitle(self.get('title'))
s.title = utils.sort_title(title)
s.country = ','.join(self.get('countries', []))
s.year = self.get('year', '')
for key in self.person_keys:
setattr(s, key, sortNames(self.get(utils.plural_key(key), [])))
for key in ('language', 'country'):
setattr(s, key, ','.join(self.get(utils.plural_key(key), [])))
s.runtime = self.get('runtime', 0)
for key in ('keywords', 'genres', 'cast', 'summary', 'trivia', 'connections'):
setattr(s, key, len(self.get(key, '')))
s.itemId = self.itemId.replace('0x', 'xx')
s.rating = self.get('rating', -1)
s.votes = self.get('votes', -1)
# data from related subtitles
s.scenes = 0 #FIXME
s.dialog = 0 #FIXME
s.words = 0 #FIXME
s.wpm = 0 #FIXME
s.risk = 0 #FIXME
# data from related files
s.duration = 0 #FIXME
s.resolution = 0 #FIXME
s.aspectratio = 0 #FIXME
s.bitrate = 0 #FIXME
s.pixels = 0 #FIXME
s.filename = 0 #FIXME
s.files = 0 #FIXME
s.size = 0 #FIXME
for key in ('title', 'language', 'country') + self.person_keys:
setattr(s, '%s_desc'%key, getattr(s, key))
if not getattr(s, key):
setattr(s, key, u'zzzzzzzzzzzzzzzzzzzzzzzzz')
if not s.year:
s.year_desc = '';
s.year = '9999';
#FIXME: also deal with number based rows like genre, keywords etc
s.save()
def updateFacets(self):
#FIXME: what to do with Unkown Director, Year, Country etc.
for key in self.facet_keys:
if key == 'actor':
current_values = [i[0] for i in self.get('actor', [])]
elif key == 'character':
current_values = [i[1] for i in self.get('actor', [])]
else:
current_values = self.get(utils.plural_key(key), [])
saved_values = [i.value for i in Facet.objects.filter(item=self, key=key)]
removed_values = filter(lambda x: x not in current_values, saved_values)
if removed_values:
Facet.objects.filter(item=self, key=key, value__in=removed_values).delete()
for value in current_values:
if value not in saved_values:
value_sort = value
if key in self.person_keys:
value_sort = getPersonSort(value)
f = Facet(key=key, value=value, value_sort=value_sort)
f.item = self
f.save()
year = self.get('year', None)
if year:
f, created = Facet.objects.get_or_create(key='year', value=year, value_sort=year, item=self)
else:
Facet.objects.filter(item=self, key='year').delete()
'''
Video related functions
'''
def frame(self, position, width=128):
stream = self.streams.filter(profile=settings.VIDEO_PROFILE+'.webm')[0]
path = os.path.join(settings.MEDIA_ROOT, itemid_path(self.itemId), 'frames', "%d"%width, "%s.jpg"%position)
if not os.path.exists(path):
extract.frame(stream.video.path, path, position, width)
return path
@property
def timeline_prefix(self):
return os.path.join(settings.MEDIA_ROOT, itemid_path(self.itemId), 'timeline')
def updateStreams(self):
files = {}
for f in self.files.filter(is_main=True, is_video=True, available=True):
files[utils.sort_title(f.name)] = f.video.path
#FIXME: how to detect if something changed?
if files:
stream, created = Stream.objects.get_or_create(item=self, profile='%s.webm' % settings.VIDEO_PROFILE)
stream.video.name = stream_path(stream)
cmd = []
for f in sorted(files):
cmd.append('+')
cmd.append(files[f])
if not os.path.exists(os.path.dirname(stream.video.path)):
os.makedirs(os.path.dirname(stream.video.path))
cmd = [ 'mkvmerge', '-o', stream.video.path ] + cmd[1:]
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
p.wait()
stream.save()
if 'video' in stream.info:
extract.timeline(stream.video.path, self.timeline_prefix)
self.stream_aspect = stream.info['video'][0]['width']/stream.info['video'][0]['height']
self.metadata['cuts'] = extract.cuts(self.timeline_prefix)
self.metadata['average_color'] = extract.average_color(self.timeline_prefix)
#extract.timeline_strip(self, self.metadata['cuts'], stream.info, self.timeline_prefix[:-8])
stream.extract_derivatives()
#something with poster
self.available = True
self.save()
'''
Poster related functions
'''
def update_poster_urls(self):
_current = {}
for s in settings.POSTER_SERVICES:
url = '%s?itemId=%s'%(s, self.itemId)
try:
data = json.loads(ox.net.readUrlUnicode(url))
except:
continue
for service in data:
if service not in _current:
_current[service] = []
for poster in data[service]:
_current[service].append(poster)
#FIXME: remove urls that are no longer listed
for service in _current:
for poster in _current[service]:
p, created = PosterUrl.objects.get_or_create(item=self, url=poster['url'], service=service)
if created:
p.width = poster['width']
p.height = poster['height']
p.save()
def delete_poster(self):
if self.poster:
path = self.poster.path
self.poster.delete()
for f in glob(path.replace('.jpg', '*.jpg')):
os.unlink(f)
def prefered_poster_url(self):
if self.poster_url:
return self.poster_url
self.update_poster_urls()
for service in settings.POSTER_PRECEDENCE:
for u in self.poster_urls.filter(service=service).order_by('-height'):
return u.url
return None
def download_poster(self, force=False):
if not self.poster or force:
url = self.prefered_poster_url()
if url:
data = ox.net.readUrl(url)
if force:
self.delete_poster()
self.poster.save('poster.jpg', ContentFile(data))
self.save()
else:
if force:
self.delete_poster()
local_posters = self.make_local_posters()
if local_posters:
with open(local_posters[0]) as f:
self.poster.save('poster.jpg', ContentFile(f.read()))
def local_posters(self):
part = 1
posters = {}
for f in self.files.filter(is_main=True, available=True):
for frame in f.frames.all():
path = os.path.join(itemid_path(self.itemId), 'poster.pandora.%s.%s.jpg'%(part, frame.position))
path = os.path.abspath(os.path.join(settings.MEDIA_ROOT, path))
posters[path] = frame.frame.path
part += 1
return posters
def make_local_posters(self):
posters = self.local_posters()
for poster in posters:
frame = posters[poster]
timeline = os.path.join(itemid_path(self.itemId), 'timeline.64.png')
timeline = os.path.abspath(os.path.join(settings.MEDIA_ROOT, timeline))
cmd = ['oxposter',
'-t', self.get('title'),
'-d', ', '.join(self.get('directors', ['Unknown Director'])),
'-f', frame,
'-p', poster,
'-l', timeline,
]
if len(self.itemId) == 7:
cmd += ['-i', self.itemId]
cmd += ['-o', self.oxid_new()]
print cmd
p = subprocess.Popen(cmd)
p.wait()
return posters.keys()
class ItemFind(models.Model):
"""
used to search items, all search values are in here
"""
item = models.OneToOneField('Item', related_name='find', primary_key=True)
all = models.TextField(blank=True)
title = models.TextField(blank=True)
director = models.TextField(blank=True, default='')
country = models.TextField(blank=True, default='')
year = models.CharField(max_length=4)
language = models.TextField(blank=True, default='')
writer = models.TextField(blank=True, default='')
producer = models.TextField(blank=True, default='')
editor = models.TextField(blank=True, default='')
cinematographer = models.TextField(blank=True, default='')
actor = models.TextField(blank=True, default='')
character = models.TextField(blank=True, default='')
dialog = models.TextField(blank=True, default='')
#person
genre = models.TextField(blank=True)
keyword = models.TextField(blank=True)
summary = models.TextField(blank=True)
trivia = models.TextField(blank=True)
location = models.TextField(blank=True, default='')
#only for own files or as admin?
filename = models.TextField(blank=True, default='')
_private_fields = ('id', 'item')
#return available find fields
#FIXME: should return mapping name -> verbose_name
def fields(self):
fields = []
for f in self._meta.fields:
if f.name not in self._private_fields:
name = f.verbose_name
name = name[0].capitalize() + name[1:]
fields.append(name)
return tuple(fields)
fields = classmethod(fields)
class ItemSort(models.Model):
"""
used to sort items, all sort values are in here
"""
item = models.OneToOneField('Item', related_name='sort', primary_key=True)
title = models.CharField(max_length=1000, db_index=True)
director = models.TextField(blank=True, db_index=True)
country = models.TextField(blank=True, db_index=True)
year = models.CharField(max_length=4, db_index=True)
producer = models.TextField(blank=True, db_index=True)
writer = models.TextField(blank=True, db_index=True)
editor = models.TextField(blank=True, db_index=True)
cinematographer = models.TextField(blank=True, db_index=True)
language = models.TextField(blank=True, db_index=True)
runtime = models.IntegerField(blank=True, null=True, db_index=True)
keywords = models.IntegerField(blank=True, db_index=True)
genre = models.TextField(blank=True, db_index=True)
cast = models.IntegerField(blank=True, db_index=True)
summary = models.IntegerField(blank=True, db_index=True)
trivia = models.IntegerField(blank=True, db_index=True)
connections = models.IntegerField(blank=True, db_index=True)
rating = models.FloatField(blank=True, db_index=True)
votes = models.IntegerField(blank=True, db_index=True)
scenes = models.IntegerField(blank=True, db_index=True)
dialog = models.IntegerField(null=True, blank=True, db_index=True)
words = models.IntegerField(null=True, blank=True, db_index=True)
wpm = models.IntegerField('Words per Minute', null=True, blank=True, db_index=True)
risk = models.IntegerField(null=True, blank=True, db_index=True)
itemId = models.CharField('ID', max_length=128, blank=True, db_index=True)
duration = models.FloatField(default=-1, db_index=True)
resolution = models.IntegerField(blank=True, db_index=True)
aspectratio = models.IntegerField('Aspect Ratio', blank=True, db_index=True)
bitrate = models.IntegerField(blank=True, db_index=True)
pixels = models.BigIntegerField(blank=True, db_index=True)
filename = models.IntegerField(blank=True, db_index=True)
files = models.IntegerField(blank=True, db_index=True)
size = models.BigIntegerField(blank=True, db_index=True)
#required to move empty values to the bottom for both asc and desc sort
title_desc = models.CharField(max_length=1000, db_index=True)
director_desc = models.TextField(blank=True, db_index=True)
country_desc = models.TextField(blank=True, db_index=True)
year_desc = models.CharField(max_length=4, db_index=True)
producer_desc = models.TextField(blank=True, db_index=True)
writer_desc = models.TextField(blank=True, db_index=True)
editor_desc = models.TextField(blank=True, db_index=True)
cinematographer_desc = models.TextField(blank=True, db_index=True)
language_desc = models.TextField(blank=True, db_index=True)
_private_fields = ('id', 'item')
#return available sort fields
#FIXME: should return mapping name -> verbose_name
def fields(self):
fields = []
for f in self._meta.fields:
if f.name not in self._private_fields:
name = f.verbose_name
name = name[0].capitalize() + name[1:]
fields.append(name)
return tuple(fields)
fields = classmethod(fields)
class Facet(models.Model):
item = models.ForeignKey('Item', related_name='facets')
key = models.CharField(max_length=200, db_index=True)
value = models.CharField(max_length=200)
value_sort = models.CharField(max_length=200)
def save(self, *args, **kwargs):
if not self.value_sort:
self.value_sort = self.value
super(Facet, self).save(*args, **kwargs)
def getPersonSort(name):
person, created = Person.objects.get_or_create(name=name)
name_sort = person.name_sort.replace(u'\xc5k', 'A')
return name_sort
class Person(models.Model):
name = models.CharField(max_length=200)
imdbId = models.CharField(max_length=7, blank=True)
name_sort = models.CharField(max_length=200)
class Meta:
ordering = ('name_sort', )
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
if not self.name_sort:
self.name_sort = ox.normalize.canonicalName(self.name)
super(Person, self).save(*args, **kwargs)
def get_or_create(model, name, imdbId=None):
if imdbId:
q = model.objects.filter(name=name, imdbId=imdbId)
else:
q = model.objects.all().filter(name=name)
if q.count() > 0:
o = q[0]
else:
o = model.objects.create(name=name)
if imdbId:
o.imdbId = imdbId
o.save()
return o
get_or_create = classmethod(get_or_create)
def json(self):
return self.name
class Location(models.Model):
name = models.CharField(max_length=200, unique=True)
manual = models.BooleanField(default=False)
items = models.ManyToManyField(Item, related_name='locations_all')
#fixme: geo data
lat_sw = models.FloatField(default=0)
lng_sw = models.FloatField(default=0)
lat_ne = models.FloatField(default=0)
lng_ne = models.FloatField(default=0)
lat_center = models.FloatField(default=0)
lng_center = models.FloatField(default=0)
area = models.FloatField(default=-1)
class Meta:
ordering = ('name', )
def __unicode__(self):
return self.name
def json(self):
return self.name
class ReviewWhitelist(models.Model):
name = models.CharField(max_length=255, unique=True)
url = models.CharField(max_length=255, unique=True)
class List(models.Model):
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User)
name = models.CharField(max_length=255, unique=True)
public = models.BooleanField(default=False)
items = models.ManyToManyField(Item, related_name='lists', through='ListItem')
def add(self, item):
q = self.items.filter(id=item.id)
if q.count() == 0:
l = ListItem()
l.list = self
l.item = item
l.save()
def remove(self, item):
self.ListItem.objects.all().filter(item=item, list=self).delete()
def __unicode__(self):
return u'%s (%s)' % (self.title, unicode(self.user))
def editable(self, user):
#FIXME: make permissions work
if self.user == user or user.has_perm('Ox.admin'):
return True
return False
class ListItem(models.Model):
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
list = models.ForeignKey(List)
item = models.ForeignKey(Item)
def __unicode__(self):
return u'%s in %s' % (unicode(self.item), unicode(self.list))
class Layer(models.Model):
#FIXME: here having a item,start index would be good
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User)
item = models.ForeignKey(Item)
#seconds
start = models.FloatField(default=-1)
stop = models.FloatField(default=-1)
type = models.CharField(blank=True, max_length=255)
value = models.TextField()
#FIXME: relational layers, Locations, clips etc
#location = models.ForeignKey('Location', default=None)
def editable(self, user):
if user.is_authenticated():
if obj.user == user.id or user.has_perm('0x.admin'):
return True
if user.groups.filter(id__in=obj.groups.all()).count() > 0:
return True
return False
class Collection(models.Model):
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
users = models.ManyToManyField(User, related_name='collections')
name = models.CharField(blank=True, max_length=2048)
subdomain = models.CharField(unique=True, max_length=2048)
items = models.ForeignKey(Item)
def editable(self, user):
return self.users.filter(id=user.id).count() > 0
def itemid_path(h):
return os.path.join('items', h[:2], h[2:4], h[4:6], h[6:])
def stream_path(stream):
return os.path.join(itemid_path(stream.item.itemId), stream.profile)
class Stream(models.Model):
class Meta:
unique_together = ("item", "profile")
item = models.ForeignKey(Item, related_name='streams')
profile = models.CharField(max_length=255, default='96p.webm')
video = models.FileField(default=None, blank=True, upload_to=lambda f, x: stream_path(f))
source = models.ForeignKey('Stream', related_name='derivatives', default=None, null=True)
available = models.BooleanField(default=False)
info = fields.DictField(default={})
#def __unicode__(self):
# return self.video
def extract_derivatives(self):
if settings.VIDEO_H264:
profile = self.profile.replace('.webm', '.mp4')
derivative, created = Stream.objects.get_or_create(profile=profile, item=self.item)
if created:
derivative.source = self
derivative.video.name = self.video.name.replace(self.profile, profile)
derivative.encode()
derivative.save()
for p in settings.VIDEO_DERIVATIVES:
profile = p + '.webm'
target = self.video.path.replace(self.profile, profile)
derivative, created = Stream.objects.get_or_create(profile=profile, item=self.item)
if created:
derivative.source = self
derivative.video.name = self.video.name.replace(self.profile, profile)
derivative.encode()
derivative.save()
if settings.VIDEO_H264:
profile = p + '.mp4'
derivative, created = Stream.objects.get_or_create(profile=profile, item=self.item)
if created:
derivative.source = self
derivative.video.name = self.video.name.replace(self.profile, profile)
derivative.encode()
derivative.save()
return True
def encode(self):
if self.source:
video = self.source.video.path
target = self.video.path
profile = self.profile
info = ox.avinfo(video)
if extract.stream(video, target, profile, info):
self.available=True
self.save()
def __unicode__(self):
return u"%s (%s)" % (self.profile, self.item)
def save(self, *args, **kwargs):
if self.video and not self.info:
self.info = ox.avinfo(self.video.path)
super(Stream, self).save(*args, **kwargs)
class PosterUrl(models.Model):
class Meta:
unique_together = ("item", "service", "url")
ordering = ('-height', )
item = models.ForeignKey(Item, related_name='poster_urls')
url = models.CharField(max_length=1024)
service = models.CharField(max_length=1024)
width = models.IntegerField(default=80)
height = models.IntegerField(default=128)
def __unicode__(self):
return u'%s %s %dx%d' % (unicode(self.item), self.service, self.width, self.height)