# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from datetime import datetime
import os.path
import random
import re
from decimal import Decimal
import time
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
from backend import utils
from pandora.backend.models import Movie
import extract
def parse_decimal(string):
string = string.replace(':', '/')
if '/' not in string:
string = '%s/1' % string
d = string.split('/')
return Decimal(d[0]) / Decimal(d[1])
def file_path(f, name):
h = f.oshash
return os.path.join('file', h[:2], h[2:4], h[4:6], h[6:], name)
class File(models.Model):
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
verified = models.BooleanField(default=False)
oshash = models.CharField(max_length=16, unique=True)
movie = models.ForeignKey(Movie, related_name='files')
name = models.CharField(max_length=2048, default="") # canoncial path/file
sort_name = models.CharField(max_length=2048, default="") # sort path/file name
part = models.CharField(default="", max_length=255)
version = models.CharField(default="", max_length=255) # sort path/file name
language = models.CharField(default="", max_length=8)
season = models.IntegerField(default=-1)
episode = models.IntegerField(default=-1)
size = models.BigIntegerField(default=0)
duration = models.IntegerField(default=0)
info = fields.DictField(default={})
video_codec = models.CharField(max_length=255)
pixel_format = models.CharField(max_length=255)
display_aspect_ratio = models.CharField(max_length=255)
width = models.IntegerField(default = 0)
height = models.IntegerField(default = 0)
framerate = models.CharField(max_length=255)
audio_codec = models.CharField(max_length=255)
channels = models.IntegerField(default=0)
samplerate = models.IntegerField(default=0)
bits_per_pixel = models.FloatField(default=-1)
pixels = models.BigIntegerField(default=0)
#This is true if derivative is available or subtitles where uploaded
available = models.BooleanField(default = False)
is_audio = models.BooleanField(default=False)
is_video = models.BooleanField(default=False)
is_extra = models.BooleanField(default=False)
is_main = models.BooleanField(default=False)
is_subtitle = models.BooleanField(default=False)
is_version = models.BooleanField(default=False)
def __unicode__(self):
return self.name
def save(self, *args, **kwargs):
if self.name and not self.sort_name:
self.sort_name = canonicalTitle(self.name)
if self.info:
for key in ('duration', 'size'):
setattr(self, key, self.info.get(key, 0))
if 'video' in self.info and self.info['video']:
self.video_codec = self.info['video'][0]['codec']
self.width = self.info['video'][0]['width']
self.height = self.info['video'][0]['height']
self.framerate = self.info['video'][0]['framerate']
if 'display_aspect_ratio' in self.info['video'][0]:
self.display_aspect_ratio = self.info['video'][0]['display_aspect_ratio']
else:
self.display_aspect_ratio = "%s:%s" % (self.width, self.height)
self.is_video = True
self.is_audio = False
else:
self.is_video = False
if 'audio' in self.info and self.info['audio']:
self.audio_codec = self.info['audio'][0]['codec']
self.samplerate = self.info['audio'][0]['samplerate']
self.channels = self.info['audio'][0]['channels']
if not self.is_video:
self.is_audio = True
else:
self.is_audio = False
if self.framerate:
self.pixels = int(self.width * self.height * float(parse_decimal(self.framerate)) * self.duration)
if not self.is_audio and not self.is_video and self.name.endswith('.srt'):
self.is_subtitle = True
if self.name and self.name.startswith('Extras/'):
self.is_extra = True
self.is_main = False
else:
self.is_extra = False
self.is_main = True
super(File, self).save(*args, **kwargs)
def json(self):
r = {}
for k in self:
r[k] = unicode(self[k])
return r
#upload and data handling
video_available = models.BooleanField(default=False)
video = models.FileField(null=True, blank=True, upload_to=lambda f, x: file_path(f, '%s.webm'%settings.VIDEO_PROFILE))
data = models.FileField(null=True, blank=True, upload_to=lambda f, x: file_path(f, 'data.raw'))
def contents(self):
if self.data:
return self.data.read()
return None
def editable(self, user):
#FIXME: check that user has instance of this file
return True
def save_chunk(self, chunk, chunk_id=-1):
if not self.video_available:
if not self.video:
self.video.save('%s.webm'%settings.VIDEO_PROFILE, chunk)
else:
f = open(self.video.path, 'a')
#FIXME: should check that chunk_id/offset is right
f.write(chunk.read())
f.close()
return True
return False
class Volume(models.Model):
class Meta:
unique_together = ("user", "name")
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
user = models.ForeignKey(User, related_name='volumes')
name = models.CharField(max_length=1024)
def __unicode__(self):
return u"%s's %s"% (self.user, self.name)
class FileInstance(models.Model):
class Meta:
unique_together = ("name", "folder", "volume")
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
atime = models.IntegerField(default=lambda: int(time.time()), editable=False)
ctime = models.IntegerField(default=lambda: int(time.time()), editable=False)
mtime = models.IntegerField(default=lambda: int(time.time()), editable=False)
name = models.CharField(max_length=2048)
folder = models.CharField(max_length=255)
file = models.ForeignKey(File, related_name='instances')
volume = models.ForeignKey(Volume, related_name='files')
def __unicode__(self):
return u"%s's %s <%s>"% (self.volume.user, self.name, self.file.oshash)
@property
def movieId(self):
return File.objects.get(oshash=self.oshash).movieId
def frame_path(f, name):
ext = os.path.splitext(name)[-1]
name = "%s%s" % (f.position, ext)
h = f.file.oshash
return os.path.join('frame', h[:2], h[2:4], h[4:6], name)
class Frame(models.Model):
class Meta:
unique_together = ("file", "position")
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
file = models.ForeignKey(File, related_name="frames")
position = models.FloatField()
frame = models.ImageField(default=None, null=True, upload_to=frame_path)
#FIXME: frame path should be renamed on save to match current position
def __unicode__(self):
return u'%s at %s' % (self.file, self.position)