pandora/pandora/annotation/management/commands/import_srt.py

62 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import print_function
from django.core.management.base import BaseCommand
from django.db import transaction
from django.conf import settings
import ox
import app.monkey_patch
from item.models import Item
from user.models import User
from ... import models
class Command(BaseCommand):
"""
import annotations
"""
help = 'import annotations from srt or vtt'
args = 'username item layername filename.srt'
option_list = BaseCommand.option_list + (
)
def handle(self, *args, **options):
if len(args) != 4:
print(self.usage('import_srt'))
return
username, public_id, layer_id, filename = args
user = User.objects.get(username=username)
item = Item.objects.get(public_id=public_id)
layer = list(filter(lambda l: l['id'] == layer_id, settings.CONFIG['layers']))[0]
if filename.endswith('.vtt'):
annotations = ox.vtt.load(filename)
else:
annotations = ox.srt.load(filename)
print('importing %d annotations into %s/%s' % (len(annotations), public_id, layer_id))
for i in range(len(annotations)-1):
if annotations[i]['out'] == annotations[i+1]['in']:
annotations[i]['out'] = annotations[i]['out'] - 0.001
with transaction.atomic():
for a in annotations:
if a['value']:
annotation = models.Annotation(
item=item,
layer=layer_id,
user=user,
start=float(a['in']),
end=float(a['out']),
value=a['value'])
annotation.save()
#update facets if needed
if list(filter(lambda f: f['id'] == layer_id, settings.CONFIG['filters'])):
item.update_layer_facet(layer_id)
Item.objects.filter(id=item.id).update(modified=annotation.modified)
annotation.item.modified = annotation.modified
annotation.item.update_find()
annotation.item.update_sort()
annotation.item.update_facets()