def update_thumb_date(item,
collection,
cache=None,
interrupt_fn=None,
remove_old=True):
'''
sets the internal date of the cached thumbnail image to that of the image file
if the thumbnail name the thumbnail name will be updated
if no thumbnail is present it will be created
interrupt_fn - callback that returns False if job should be interrupted
remove_old - if the item name has changed, removes the old thumbnail
affects mtime, thumb, thumburi members of item
'''
itemfile = collection.get_path(item)
item.mtime = io.get_mtime(itemfile)
if item.thumburi:
oldthumburi = item.thumburi
if not item.thumb:
load_thumb(item, collection)
uri = io.get_uri(itemfile)
if cache == None:
thumb_factory.save_thumbnail(item.thumb, uri, int(item.mtime))
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi = os.path.join(
cache, muuid(item.uid + str(int(item.mtime)))) + '.png'
item.thumb.save(item.thumburi, "png")
if remove_old and oldthumburi != item.thumburi:
io.remove_file(oldthumburi)
return True
return make_thumb(item, collection, interrupt_fn, cache=cache)
def update_thumb_date(item,collection,cache=None,interrupt_fn=None,remove_old=True):
'''
sets the internal date of the cached thumbnail image to that of the image file
if the thumbnail name the thumbnail name will be updated
if no thumbnail is present it will be created
interrupt_fn - callback that returns False if job should be interrupted
remove_old - if the item name has changed, removes the old thumbnail
affects mtime, thumb, thumburi members of item
'''
itemfile=collection.get_path(item)
item.mtime=io.get_mtime(itemfile)
if item.thumburi:
oldthumburi=item.thumburi
if not item.thumb:
load_thumb(item,collection)
uri = io.get_uri(itemfile)
if cache==None:
thumb_factory.save_thumbnail(item.thumb,uri,int(item.mtime))
item.thumburi=thumb_factory.lookup(uri,int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi=os.path.join(cache,muuid(item.uid+str(int(item.mtime))))+'.png'
item.thumb.save(item.thumburi,"png")
if remove_old and oldthumburi!=item.thumburi:
io.remove_file(oldthumburi)
return True
return make_thumb(item,collection,interrupt_fn,cache=cache)
def delete_thumb(item):
'''
remove the thumb from the item and delete the associated thumbnail image file in the cache
'''
if item.thumb:
item.thumb=None
if item.thumburi:
try:
io.remove_file(item.thumburi) ##TODO: What if item is in gnome cache? (This will probably work, but maybe not the best way to remove items from cache?) commented code below doesn't look right (deleting twice?)
except:
pass
## thumburi=thumb_factory.lookup(uri,int(item.mtime))
## os.remove(thumburi)
item.thumburi=None
def delete_thumb(item):
'''
remove the thumb from the item and delete the associated thumbnail image file in the cache
'''
if item.thumb:
item.thumb = None
if item.thumburi:
try:
io.remove_file(
item.thumburi
) ##TODO: What if item is in gnome cache? (This will probably work, but maybe not the best way to remove items from cache?) commented code below doesn't look right (deleting twice?)
except:
pass
## thumburi=thumb_factory.lookup(uri,int(item.mtime))
## os.remove(thumburi)
item.thumburi = None
