233 lines
8 KiB
Python
233 lines
8 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from datetime import datetime
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import os.path
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import random
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import re
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from decimal import Decimal
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import time
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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.core.files.base import ContentFile
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from django.utils import simplejson as json
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from django.conf import settings
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from oxdjango import fields
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import ox
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from ox import stripTags
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from ox.normalize import canonicalTitle, canonicalName
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from firefogg import Firefogg
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from backend import utils
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from backend import extract
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from pandora.backend.models import Movie
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def parse_decimal(string):
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string = string.replace(':', '/')
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if '/' not in string:
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string = '%s/1' % string
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d = string.split('/')
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return Decimal(d[0]) / Decimal(d[1])
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class File(models.Model):
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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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verified = models.BooleanField(default=False)
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oshash = models.CharField(max_length=16, unique=True)
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movie = models.ForeignKey(Movie, related_name='files')
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name = models.CharField(max_length=2048, default="") # canoncial path/file
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sort_name = models.CharField(max_length=2048, default="") # sort path/file name
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part = models.CharField(default="", max_length=255)
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version = models.CharField(default="", max_length=255) # sort path/file name
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language = models.CharField(default="", max_length=8)
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season = models.IntegerField(default=-1)
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episode = models.IntegerField(default=-1)
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size = models.BigIntegerField(default=0)
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duration = models.IntegerField(default=0)
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info = fields.DictField(default={})
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video_codec = models.CharField(max_length=255)
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pixel_format = models.CharField(max_length=255)
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display_aspect_ratio = models.CharField(max_length=255)
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width = models.IntegerField(default = 0)
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height = models.IntegerField(default = 0)
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framerate = models.CharField(max_length=255)
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audio_codec = models.CharField(max_length=255)
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channels = models.IntegerField(default=0)
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samplerate = models.IntegerField(default=0)
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bits_per_pixel = models.FloatField(default=-1)
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pixels = models.BigIntegerField(default=0)
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#This is true if derivative is available or subtitles where uploaded
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available = models.BooleanField(default = False)
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is_audio = models.BooleanField(default=False)
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is_video = models.BooleanField(default=False)
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is_extra = models.BooleanField(default=False)
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is_main = models.BooleanField(default=False)
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is_subtitle = models.BooleanField(default=False)
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is_version = models.BooleanField(default=False)
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def __unicode__(self):
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return self.name
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def save(self, *args, **kwargs):
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if self.name and not self.sort_name:
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self.sort_name = canonicalTitle(self.name)
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if self.info:
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for key in ('duration', 'size'):
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setattr(self, key, self.info.get(key, 0))
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if 'video' in self.info and self.info['video']:
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self.video_codec = self.info['video'][0]['codec']
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self.width = self.info['video'][0]['width']
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self.height = self.info['video'][0]['height']
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self.framerate = self.info['video'][0]['framerate']
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if 'display_aspect_ratio' in self.info['video'][0]:
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self.display_aspect_ratio = self.info['video'][0]['display_aspect_ratio']
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else:
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self.display_aspect_ratio = "%s:%s" % (self.width, self.height)
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self.is_video = True
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self.is_audio = False
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else:
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self.is_video = False
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if 'audio' in self.info and self.info['audio']:
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self.audio_codec = self.info['audio'][0]['codec']
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self.samplerate = self.info['audio'][0]['samplerate']
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self.channels = self.info['audio'][0]['channels']
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if not self.is_video:
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self.is_audio = True
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else:
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self.is_audio = False
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if self.framerate:
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self.pixels = int(self.width * self.height * float(parse_decimal(self.framerate)) * self.duration)
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if not self.is_audio and not self.is_video and self.name.endswith('.srt'):
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self.is_subtitle = True
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if self.name and self.name.startswith('Extras/'):
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self.is_extra = True
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self.is_main = False
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else:
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self.is_extra = False
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self.is_main = True
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super(File, self).save(*args, **kwargs)
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def json(self):
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r = {}
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for k in self:
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r[k] = unicode(self[k])
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return r
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class Volume(models.Model):
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class Meta:
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unique_together = ("user", "name")
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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, related_name='volumes')
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name = models.CharField(max_length=1024)
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def __unicode__(self):
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return u"%s's %s"% (self.user, self.name)
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class FileInstance(models.Model):
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class Meta:
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unique_together = ("name", "folder", "volume")
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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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atime = models.IntegerField(default=lambda: int(time.time()), editable=False)
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ctime = models.IntegerField(default=lambda: int(time.time()), editable=False)
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mtime = models.IntegerField(default=lambda: int(time.time()), editable=False)
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name = models.CharField(max_length=2048)
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folder = models.CharField(max_length=255)
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file = models.ForeignKey(File, related_name='instances')
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volume = models.ForeignKey(Volume, related_name='files')
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def __unicode__(self):
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return u"%s's %s <%s>"% (self.volume.user, self.name, self.file.oshash)
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@property
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def movieId(self):
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return File.objects.get(oshash=self.oshash).movieId
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def frame_path(f, name):
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ext = os.path.splitext(name)
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name = "%s.%s" % (f.position, ext)
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h = f.file.oshash
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return os.path.join('frame', h[:2], h[2:4], h[4:6], name)
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class Frame(models.Model):
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class Meta:
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unique_together = ("file", "position")
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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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file = models.ForeignKey(File, related_name="frames")
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position = models.FloatField()
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frame = models.ImageField(default=None, null=True, upload_to=frame_path)
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#FIXME: frame path should be renamed on save to match current position
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def __unicode__(self):
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return '%s at %s' % (self.file, self.position)
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def stream_path(f):
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h = f.file.oshash
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return os.path.join('stream', h[:2], h[2:4], h[4:6], h[6:], f.profile)
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class Stream(models.Model):
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class Meta:
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unique_together = ("file", "profile")
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file = models.ForeignKey(File, related_name='streams')
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profile = models.CharField(max_length=255, default='96p.webm')
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video = models.FileField(default=None, blank=True, upload_to=lambda f, x: stream_path(f))
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source = models.ForeignKey('Stream', related_name='derivatives', default=None, null=True)
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available = models.BooleanField(default=False)
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def extract_derivates(self):
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#here based on settings derivates like smaller versions or other formats would be created
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return True
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def editable(self, user):
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#FIXME: possibly needs user setting for stream
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return True
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def save_chunk(self, chunk, chunk_id=-1):
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if not self.available:
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if not self.video:
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self.video.save(self.profile, chunk)
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else:
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f = open(self.video.path, 'a')
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#FIXME: should check that chunk_id/offset is right
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f.write(chunk.read())
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f.close()
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return True
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return False
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def save(self, *args, **kwargs):
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if self.available and not self.file.available:
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self.file.available = True
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self.file.save()
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super(Stream, self).save(*args, **kwargs)
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