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extract sequences from all parts

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This commit is contained in:
j 2012-06-15 23:53:40 +02:00
parent e21484af1c
commit cde92a1624
2 changed files with 21 additions and 15 deletions
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5
pandora/sequence/extract.py
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@ -50,13 +50,12 @@ def get_hash(image, mode, debug=False):
if h.endswith('L'): h = h[:-1] if h.endswith('L'): h = h[:-1]
return '0' * (16-len(h)) + h return '0' * (16-len(h)) + h
def get_sequences(path): def get_sequences(path, position=0):
modes = ['color', 'shape'] modes = ['color', 'shape']
sequences = {} sequences = {}
for mode in modes: for mode in modes:
sequences[mode] = [] sequences[mode] = []
fps = 25 fps = 25
position = 0
file_names = filter(lambda x: 'timelinedata8p' in x, os.listdir(path)) file_names = filter(lambda x: 'timelinedata8p' in x, os.listdir(path))
file_names = sorted(file_names, key=lambda x: int(x[14:-4])) file_names = sorted(file_names, key=lambda x: int(x[14:-4]))
file_names = map(lambda x: path + x, file_names) file_names = map(lambda x: path + x, file_names)
@ -75,5 +74,5 @@ def get_sequences(path):
for mode in modes: for mode in modes:
if sequences[mode]: if sequences[mode]:
sequences[mode][-1]['out'] = position sequences[mode][-1]['out'] = position
return sequences return sequences, position

11
pandora/sequence/tasks.py
View file

@ -14,11 +14,13 @@ from celery.task import task, periodic_task
import models import models
import extract import extract
@task(ignore_results=True, queue='default') @task(ignore_results=True, queue='encoding')
def get_sequences(itemId): def get_sequences(itemId):
i = models.Item.objects.get(itemId=itemId) i = models.Item.objects.get(itemId=itemId)
models.Sequence.objects.filter(item=i).delete() models.Sequence.objects.filter(item=i).delete()
data = extract.get_sequences(i.timeline_prefix) position = 0
for stream in i.streams():
data, position = extract.get_sequences(stream.timeline_prefix, position)
with transaction.commit_on_success(): with transaction.commit_on_success():
for mode in data: for mode in data:
for seq in data[mode]: for seq in data[mode]:
@ -29,3 +31,8 @@ def get_sequences(itemId):
s.end = seq['out'] s.end = seq['out']
s.hash = seq['hash'] s.hash = seq['hash']
s.save() s.save()
@task(ignore_results=True, queue='encoding')
def update_sequence_ids(itemId):
for s in models.Sequence.objects.filter(item__itemId=itemId):
s.save()