<s> import os <EOL> import base64 <EOL> from django . db . models import F , Q <EOL> from xos . config import Config <EOL> from synchronizers . base . openstacksyncstep import OpenStackSyncStep <EOL> from core . models . image import Image <EOL> from xos . logger import observer_logger as logger <EOL> class SyncImages ( OpenStackSyncStep ) : <EOL> provides = [ Image ] <EOL> requested_interval = <NUM_LIT:0> <EOL> observes = Image <EOL> def fetch_pending ( self , deleted ) : <EOL> if ( deleted ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> return [ ] <EOL> images_path = Config ( ) . observer_images_directory <EOL> logger . info ( "<STR_LIT>" % images_path ) <EOL> available_images = { } <EOL> if os . path . exists ( images_path ) : <EOL> for f in os . listdir ( images_path ) : <EOL> filename = os . path . join ( images_path , f ) <EOL> if os . path . isfile ( filename ) and filename . endswith ( "<STR_LIT>" ) : <EOL> available_images [ f ] = filename <EOL> logger . info ( "<STR_LIT>" % str ( available_images ) ) <EOL> images = Image . objects . all ( ) <EOL> image_names = [ image . name for image in images ] <EOL> for image_name in available_images : <EOL> clean_name = "<STR_LIT:.>" . join ( image_name . split ( '<STR_LIT:.>' ) [ : - <NUM_LIT:1> ] ) <EOL> if clean_name not in image_names : <EOL> logger . info ( "<STR_LIT>" % clean_name ) <EOL> image = Image ( name = clean_name , <EOL> disk_format = '<STR_LIT>' , <EOL> container_format = '<STR_LIT>' , <EOL> path = available_images [ image_name ] ) <EOL> image . save ( ) <EOL> return Image . objects . filter ( Q ( enacted__lt = F ( '<STR_LIT>' ) ) | Q ( enacted = None ) ) <EOL> def sync_record ( self , image ) : <EOL> image . save ( ) </s>
