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update random in transaction. timeline sorting

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j 2012-03-22 21:19:19 +01:00
parent 5c827f11af
commit 4c21387335
3 changed files with 16 additions and 11 deletions
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17
pandora/item/tasks.py
View file

@ -7,6 +7,7 @@ import random
random
from django.conf import settings
from django.db import connection, transaction
from ox.utils import ET
from celery.task import task, periodic_task
@ -16,6 +17,7 @@ import models
@periodic_task(run_every=timedelta(days=1))
def cronjob(**kwargs):
update_random_sort()
update_random_clip_sort()
def update_random_sort():
if filter(lambda f: f['id'] == 'random', settings.CONFIG['itemKeys']):
@ -29,14 +31,13 @@ def update_random_sort():
def update_random_clip_sort():
if filter(lambda f: f['id'] == 'random', settings.CONFIG['itemKeys']):
from django.db import connection, transaction
cursor = connection.cursor()
cursor.execute('DROP TABLE clip_random;')
cursor.execute('CREATE TABLE "clip_random" AS SELECT id AS clip_id, row_number() OVER (ORDER BY random()) AS random FROM "clip_clip"')
cursor.execute('ALTER TABLE "clip_random" ADD UNIQUE ("clip_id")')
cursor.execute('CREATE INDEX "clip_random_clip_id_idx" ON "clip_random" ("clip_id")')
cursor.execute('CREATE INDEX "clip_random_random_idx" ON "clip_random" ("random")')
transaction.commit_unless_managed()
with transaction.commit_on_success():
cursor = connection.cursor()
cursor.execute('DROP TABLE clip_random;')
cursor.execute('CREATE TABLE "clip_random" AS SELECT id AS clip_id, row_number() OVER (ORDER BY random()) AS random FROM "clip_clip"')
cursor.execute('ALTER TABLE "clip_random" ADD UNIQUE ("clip_id")')
cursor.execute('CREATE INDEX "clip_random_clip_id_idx" ON "clip_random" ("clip_id")')
cursor.execute('CREATE INDEX "clip_random_random_idx" ON "clip_random" ("random")')
@task(ignore_results=True, queue='default')
def update_poster(itemId):

6
pandora/item/timelines.py
View file

@ -7,10 +7,12 @@ from glob import glob
import Image
import ox
from utils import sorted_strings
def getTiles(timeline_prefix, height=64):
files = glob('%s%sp*.png' % (timeline_prefix, height))
return sorted(filter(lambda f: f!='%s%sp.png' % (timeline_prefix, height), files))
return sorted_strings(filter(lambda f: f!='%s%sp.png' % (timeline_prefix, height), files))
def loadTimeline(timeline_prefix, height=64):
files = getTiles(timeline_prefix, height)
@ -35,7 +37,7 @@ def makeTiles(timeline_prefix, height=16, width=3600):
timeline = Image.new("RGB", (width, height))
pos = 0
for f in sorted(files):
for f in sorted_strings(files):
part = Image.open(f)
part_width = int(part.size[0] / fps)
part = part.resize((part_width, height), Image.ANTIALIAS)

4
pandora/item/utils.py
View file

@ -7,7 +7,7 @@ import unicodedata
import ox
def safe_filename(filename):
filename = filename.replace('_ ', ': ')
filename = filename.replace(': ', '_ ')
filename = filename.replace('/', '_')
filename = filename.replace('\\', '_')
if filename.endswith('.'):
@ -54,6 +54,8 @@ def sort_string(string):
string = re.sub('(\d+)', lambda x: '%010d' % int(x.group(0)), string)
return unicodedata.normalize('NFKD', string)
def sorted_strings(strings):
return sorted(strings, cmp=lambda a, b: cmp(sort_string(a), sort_string(b)))
def sort_title(title):