100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import os
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from celery.decorators import task
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from item.utils import parse_path
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from item.models import get_item
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from django.conf import settings
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import models
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_INSTANCE_KEYS = ('mtime', 'name', 'folder')
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def get_or_create_item(volume, f, user):
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in_same_folder = models.Instance.objects.filter(folder=f['folder'], volume=volume)
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if in_same_folder.count() > 0:
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i = in_same_folder[0].file.item
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else:
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if settings.USE_FOLDER:
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item_info = parse_path(f['folder'])
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else:
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item_info = parse_path(f['path'])
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i = get_item(item_info, user)
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return i
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def get_or_create_file(volume, f, user, item=None):
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try:
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file = models.File.objects.get(oshash=f['oshash'])
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except models.File.DoesNotExist:
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file = models.File()
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file.oshash = f['oshash']
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file.name = f['name']
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if item:
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file.item = item
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else:
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file.item = get_or_create_item(volume, f, user)
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file.save()
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return file
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def update_or_create_instance(volume, f):
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#instance with oshash exists
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instance = models.Instance.objects.filter(file__oshash=f['oshash'], volume=volume)
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if instance.count()>0:
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instance = instance[0]
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updated = False
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for key in _INSTANCE_KEYS:
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if f[key] != getattr(instance, key):
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setattr(instance, key, f[key])
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updated=True
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if updated:
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instance.save()
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instance.file.save()
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else:
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instance = models.Instance.objects.filter(name=f['name'], folder=f['folder'], volume=volume)
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if instance.count()>0:
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#same path, other oshash, keep path/item mapping, remove instance
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item = instance[0].file.item
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instance.delete()
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else: #new instance
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item = None
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instance = models.Instance()
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instance.volume = volume
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instance.file = get_or_create_file(volume, f, volume.user, item)
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for key in _INSTANCE_KEYS:
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setattr(instance, key, f[key])
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instance.save()
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instance.file.save()
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return instance
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@task(ignore_resulsts=True, queue='default')
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def update_files(user, volume, files):
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user = models.User.objects.get(username=user)
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volume, created = models.Volume.objects.get_or_create(user=user, name=volume)
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all_files = []
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for f in files:
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folder = f['path'].split('/')
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name = folder.pop()
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if folder and folder[-1].lower() in ('extras', 'versions', 'dvds'):
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name = '/'.join([folder.pop(), name])
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f['folder'] = '/'.join(folder)
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f['name'] = name
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all_files.append(f['oshash'])
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update_or_create_instance(volume, f)
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#remove deleted files
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#FIXME: can this have any bad consequences? i.e. on the selction of used item files.
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models.Instance.objects.filter(volume=volume).exclude(file__oshash__in=all_files).delete()
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@task(queue="encoding")
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def process_stream(fileId):
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file = models.Stream.objects.get(id=fileId)
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streams = file.streams.filter(source=None)
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if streams.count() >0:
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stream = streams[0]
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stream.make_timeline()
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stream.extract_derivatives()
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return True
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