=== modified file 'product_images.py'
--- product_images.py	2010-09-27 13:08:21 +0000
+++ product_images.py	2010-11-29 11:35:58 +0000
@@ -101,5 +101,60 @@
                     self.write(cr, uid, each.id, {'mage_file':result})
                     result = update_image(result, each)
         return True
+    
+    def unlink(self, cr, uid, ids, context=None):
+        """ Delete image on Magento before deleting it on OpenERP """
+        if not context:
+            context = {}
+            
+        logger = netsvc.Logger()            
+        shop_obj = self.pool.get('sale.shop')
+        product_obj = self.pool.get('product.product')
+        
+        # get all magento shops
+        shops_ids = shop_obj.search(cr, uid, [('magento_shop', '=', True)])
+        
+        for image in self.browse(cr, uid, ids, context):
+            # mage_file is the name of the file on magento
+            if not image.mage_file:
+                continue
+            
+            # we'll delete the image in each magento shop 
+            for shop in shop_obj.browse(cr, uid, shops_ids, context):
+                # search if the product exists on that shop 
+                # and get the id of the product in magento
+                magento_product_id = product_obj.oeid_to_extid(cr, 
+                                                               uid, 
+                                                               image.product_id.id,
+                                                               shop.referential_id.id,
+                                                               context)
+                if not magento_product_id:
+                    continue
+                
+                # create connection with magento        
+                conn = shop_obj.external_connection(cr, uid, shop.referential_id)                        
+                if not conn:
+                    raise osv.except_osv(_('Delete image'), 
+                                         _("Could not establish connection with Magento."))
+
+                # get image list on magento for the product
+                mag_images = conn.call('catalog_product_attribute_media.list',
+                                       [
+                                        magento_product_id,
+                                       ])
+                # check if the image still exists on Magento before drop it                                                   
+                for mag_image in mag_images:
+                    if mag_image['file'] == image.mage_file:                       
+                        # delete image on Magento
+                        conn.call('catalog_product_attribute_media.remove',
+                                  [
+                                   magento_product_id,
+                                   image.mage_file,
+                                  ])
+                        break
+                logger.notifyChannel('ext synchro', 
+                                     netsvc.LOG_INFO, 
+                                     "Deleted %s's image: %s" % (image.product_id.name, image.name))
+        return super(product_images, self).unlink(cr, uid, ids, context)    
         
 product_images()