# -*- coding: utf-8 -*- # vi:si:et:sw=4:sts=4:ts=4 from __future__ import division import os.path import re import time from django.db import models from django.contrib.auth.models import User from django.conf import settings from ox.django import fields import ox from ox.normalize import canonicalTitle import chardet from item import utils from item.models import Item 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) item = models.ForeignKey(Item, related_name='files') name = models.CharField(max_length=2048, default="") # canoncial path/file sort_name = models.CharField(max_length=2048, default="") # sort 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.BigIntegerField(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 if self.name.endswith('.jpg') or self.name.endswith('.png') or self.duration == 0.04: self.is_video = 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].get('samplerate', 0) self.channels = self.info['audio'][0].get('channels', 0) 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(utils.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) #upload and data handling video = models.FileField(null=True, blank=True, upload_to=lambda f, x: f.path('%s.webm'%settings.VIDEO_PROFILE)) data = models.FileField(null=True, blank=True, upload_to=lambda f, x: f.path('data.bin')) def path(self, name): h = self.oshash return os.path.join('files', h[:2], h[2:4], h[4:6], h[6:], name) def contents(self): if self.data != None: self.data.seek(0) return self.data.read() return None def srt(self): def _detectEncoding(fp): bomDict={ # bytepattern : name (0x00, 0x00, 0xFE, 0xFF): "utf_32_be", (0xFF, 0xFE, 0x00, 0x00): "utf_32_le", (0xFE, 0xFF, None, None): "utf_16_be", (0xFF, 0xFE, None, None): "utf_16_le", (0xEF, 0xBB, 0xBF, None): "utf_8", } # go to beginning of file and get the first 4 bytes oldFP = fp.tell() fp.seek(0) (byte1, byte2, byte3, byte4) = tuple(map(ord, fp.read(4))) # try bom detection using 4 bytes, 3 bytes, or 2 bytes bomDetection = bomDict.get((byte1, byte2, byte3, byte4)) if not bomDetection: bomDetection = bomDict.get((byte1, byte2, byte3, None)) if not bomDetection: bomDetection = bomDict.get((byte1, byte2, None, None)) ## if BOM detected, we're done :-) fp.seek(oldFP) if bomDetection: return bomDetection encoding = 'latin-1' #more character detecting magick using http://chardet.feedparser.org/ fp.seek(0) rawdata = fp.read() encoding = chardet.detect(rawdata)['encoding'] fp.seek(oldFP) return encoding def parseTime(t): return ox.time2ms(t.replace(',', '.')) / 1000 srt = [] f = open(self.data.path) encoding = _detectEncoding(f) data = f.read() f.close() data = data.replace('\r\n', '\n') try: data = unicode(data, encoding) except: try: data = unicode(data, 'latin-1') except: print "failed to detect encoding, giving up" return srt 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) for s in srts.findall(data): _s = {'in': parseTime(s[0]), 'out': parseTime(s[1]), 'text': s[2].strip()} srt.append(_s) return srt 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.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 def json(self, keys=None, user=None): data = { 'available': self.available, 'duration': self.duration, 'framerate': self.framerate, 'height': self.height, 'width': self.width, 'oshash': self.oshash, 'samplerate': self.samplerate, 'video_codec': self.video_codec, 'audio_codec': self.audio_codec, 'name': self.name, 'size': self.size, 'info': self.info, 'instances': self.instances.count() } if keys: for k in data.keys(): if k not in keys: del data[k] return data 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 Instance(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 itemId(self): return File.objects.get(oshash=self.oshash).itemId def frame_path(frame, name): ext = os.path.splitext(name)[-1] name = "%s%s" % (frame.position, ext) return frame.file.path(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) ''' def save(self, *args, **kwargs): name = "%d.jpg" % self.position if file.name != name: #FIXME: frame path should be renamed on save to match current position super(Frame, self).save(*args, **kwargs) ''' def __unicode__(self): return u'%s at %s' % (self.file, self.position)