424 lines
14 KiB
Python
424 lines
14 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
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import os.path
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import re
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import time
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from django.db import models
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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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from ox.django import fields
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import ox
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from ox.normalize import canonicalTitle
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import chardet
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from item import utils
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from item.models import Item
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from person.models import get_name_sort
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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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item = models.ForeignKey(Item, related_name='files')
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name = models.CharField(max_length=2048, default="") # canoncial path/file
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folder = models.CharField(max_length=2048, default="") # canoncial path/file
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sort_name = models.CharField(max_length=2048, default="") # sort name
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type = models.CharField(default="", max_length=255)
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part = models.IntegerField(null=True)
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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.BigIntegerField(null=True)
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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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instance = self.get_instance()
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if instance:
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if instance.name.lower().startswith('extras/'):
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self.is_extra = True
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self.is_main = False
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elif instance.name.lower().startswith('versions/'):
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self.is_version = 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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else:
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self.is_main = False
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self.is_extra = False
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self.is_version = False
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self.name = self.get_name()
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self.folder = self.get_folder()
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self.sort_name = utils.sort_string(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'] and \
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'width' in self.info['video'][0]:
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video = self.info['video'][0]
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self.video_codec = video['codec']
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self.width = video['width']
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self.height = video['height']
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self.framerate = video['framerate']
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if 'display_aspect_ratio' in video:
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self.display_aspect_ratio = video['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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if self.name.endswith('.jpg') or \
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self.name.endswith('.png') or \
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self.duration == 0.04:
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self.is_video = False
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else:
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self.is_video = False
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self.display_aspect_ratio = "4:3"
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self.width = '320'
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self.height = '240'
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if 'audio' in self.info and self.info['audio']:
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audio = self.info['audio'][0]
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self.audio_codec = audio['codec']
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self.samplerate = audio.get('samplerate', 0)
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self.channels = audio.get('channels', 0)
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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(utils.parse_decimal(self.framerate)) * self.duration)
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else:
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self.is_video = os.path.splitext(self.name)[-1] in ('.avi', '.mkv', '.dv', '.ogv', '.mpeg', '.mov')
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self.is_audio = os.path.splitext(self.name)[-1] in ('.mp3', '.wav', '.ogg', '.flac')
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self.is_subtitle= os.path.splitext(self.name)[-1] in ('.srt', '.sub', '.idx')
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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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self.part = self.get_part()
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self.type = self.get_type()
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if self.type not in ('audio', 'video'):
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self.duration = None
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super(File, self).save(*args, **kwargs)
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#upload and data handling
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video = models.FileField(null=True, blank=True,
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upload_to=lambda f, x: f.path(settings.VIDEO_PROFILE))
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data = models.FileField(null=True, blank=True,
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upload_to=lambda f, x: f.path('data.bin'))
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def path(self, name):
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h = self.oshash
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return os.path.join('files', h[:2], h[2:4], h[4:6], h[6:], name)
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def contents(self):
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if self.data != None:
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self.data.seek(0)
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return self.data.read()
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return None
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def srt(self):
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def _detectEncoding(fp):
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bomDict={ # bytepattern : name
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(0x00, 0x00, 0xFE, 0xFF): "utf_32_be",
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(0xFF, 0xFE, 0x00, 0x00): "utf_32_le",
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(0xFE, 0xFF, None, None): "utf_16_be",
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(0xFF, 0xFE, None, None): "utf_16_le",
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(0xEF, 0xBB, 0xBF, None): "utf_8",
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}
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# go to beginning of file and get the first 4 bytes
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oldFP = fp.tell()
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fp.seek(0)
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(byte1, byte2, byte3, byte4) = tuple(map(ord, fp.read(4)))
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# try bom detection using 4 bytes, 3 bytes, or 2 bytes
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bomDetection = bomDict.get((byte1, byte2, byte3, byte4))
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if not bomDetection:
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bomDetection = bomDict.get((byte1, byte2, byte3, None))
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if not bomDetection:
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bomDetection = bomDict.get((byte1, byte2, None, None))
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## if BOM detected, we're done :-)
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fp.seek(oldFP)
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if bomDetection:
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return bomDetection
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encoding = 'latin-1'
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#more character detecting magick using http://chardet.feedparser.org/
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fp.seek(0)
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rawdata = fp.read()
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encoding = chardet.detect(rawdata)['encoding']
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fp.seek(oldFP)
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return encoding
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def parseTime(t):
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return ox.time2ms(t.replace(',', '.')) / 1000
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srt = []
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f = open(self.data.path)
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encoding = _detectEncoding(f)
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data = f.read()
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f.close()
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data = data.replace('\r\n', '\n')
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try:
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data = unicode(data, encoding)
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except:
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try:
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data = unicode(data, 'latin-1')
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except:
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print "failed to detect encoding, giving up"
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return srt
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srts = re.compile('(\d\d:\d\d:\d\d[,.]\d\d\d)\s*-->\s*(\d\d:\d\d:\d\d[,.]\d\d\d)\s*(.+?)\n\n', re.DOTALL)
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i = 0
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for s in srts.findall(data):
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_s = {'id': str(i),
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'in': parseTime(s[0]), 'out': parseTime(s[1]), 'value': s[2].strip()}
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srt.append(_s)
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i += 1
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return srt
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def editable(self, user):
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#FIXME: check that user has instance of this file
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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(settings.VIDEO_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 json(self, keys=None, user=None):
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resolution = (self.width, self.height)
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if resolution == (0, 0):
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resolution = None
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duration = self.duration
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if self.get_type() != 'video':
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duration = None
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data = {
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'available': self.available,
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'duration': duration,
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'framerate': self.framerate,
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'height': self.height,
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'width': self.width,
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'resolution': resolution,
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'oshash': self.oshash,
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'samplerate': self.samplerate,
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'video_codec': self.video_codec,
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'audio_codec': self.audio_codec,
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'name': self.name,
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'size': self.size,
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'info': self.info,
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'users': list(set([i.volume.user.username for i in self.instances.all()])),
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'instances': [i.json() for i in self.instances.all()],
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'folder': self.get_folder(),
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'type': self.get_type(),
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'is_main': self.is_main,
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'part': self.get_part()
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}
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if keys:
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for k in data.keys():
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if k not in keys:
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del data[k]
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return data
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def get_part(self):
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if not self.is_extra:
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files = list(self.item.files.filter(type=self.type,
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is_main=self.is_main).order_by('sort_name'))
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if self in files:
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return files.index(self) + 1
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return None
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def get_type(self):
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if self.is_video:
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return 'video'
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if self.is_audio:
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return 'audio'
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if self.is_subtitle or os.path.splitext(self.name)[-1] in ('.sub', '.idx'):
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return 'subtitle'
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return 'unknown'
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def get_instance(self):
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#FIXME: what about other instances?
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if self.instances.all().count() > 0:
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return self.instances.all()[0]
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return None
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def get_folder(self):
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instance = self.get_instance()
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if instance:
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return instance.folder
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name = os.path.splitext(self.get_name())[0]
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name = name.replace('. ', '||').split('.')[0].replace('||', '. ')
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if self.item:
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if settings.USE_IMDB:
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director = self.item.get('director', ['Unknown Director'])
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director = map(get_name_sort, director)
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director = u'; '.join(director)
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director = re.sub(r'[:\\/]', '_', director)
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name = os.path.join(director, name)
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year = self.item.get('year', None)
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if year:
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name += u' (%s)' % year
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name = os.path.join(name[0].upper(), name)
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return name
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return u''
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def get_name(self):
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instance = self.get_instance()
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if instance:
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return instance.name
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if self.item:
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name = self.item.get('title', 'Untitled')
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name = re.sub(r'[:\\/]', '_', name)
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if not name:
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name = 'Untitled'
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ext = '.unknown'
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return name + ext
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def delete_file(sender, **kwargs):
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f = kwargs['instance']
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if f.video:
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f.video.delete()
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if f.data:
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f.data.delete()
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pre_delete.connect(delete_file, sender=File)
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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 Instance(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=2048)
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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 itemId(self):
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return File.objects.get(oshash=self.oshash).itemId
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def json(self):
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return {
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'user': self.volume.user.username,
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'volume': self.volume.name,
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'folder': self.folder,
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'name': self.name
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}
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def frame_path(frame, name):
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ext = os.path.splitext(name)[-1]
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name = "%s%s" % (frame.position, ext)
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return frame.file.path(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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'''
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def save(self, *args, **kwargs):
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name = "%d.jpg" % self.position
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if file.name != name:
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#FIXME: frame path should be renamed on save to match current position
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super(Frame, self).save(*args, **kwargs)
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'''
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def __unicode__(self):
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return u'%s/%s' % (self.file, self.position)
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def delete_frame(sender, **kwargs):
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f = kwargs['instance']
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if f.frame:
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f.frame.delete()
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pre_delete.connect(delete_frame, sender=Frame)
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