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avoid db lookups for icons

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j 2014-05-26 12:11:13 +02:00
parent 05db6f042d
commit a7db68236c
1 changed files with 28 additions and 0 deletions
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28
oml/item/icons.py
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@ -91,6 +91,34 @@ icons = Icons(icons_db_path)
@run_async
def get_icon(app, id, type_, size, callback):
if size:
skey = '%s:%s:%s' % (type_, id, size)
data = icons[skey]
if data:
callback(str(data))
return
key = '%s:%s' % (type_, id)
if not icons[key]:
type_ = 'preview' if type_ == 'cover' else 'cover'
if size:
skey = '%s:%s:%s' % (type_, id, size)
data = None
if size:
data = icons[skey]
if data:
size = None
if not data:
data = icons[key]
if not data:
data = icons.black()
size = None
if size:
data = icons[skey] = resize_image(data, size=size)
data = str(data) or ''
callback(data)
@run_async
def get_icon_app(app, id, type_, size, callback):
with app.app_context():
from item.models import Item
item = Item.get(id)