diff -r 73aef1124b67 -r 64a0168a6f50 lib/tags.py
--- a/lib/tags.py	Wed Jun 03 18:36:17 2009 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-import shelve
-
-class TagDB (object) :
-    _imgs_cache = {}
-
-    def __init__ (self, read_only=True) :
-        self.img_tags = shelve.open("img_tags", read_only and 'r' or 'c')
-        self.tag_imgs = shelve.open("tag_imgs", read_only and 'r' or 'c')
-
-    def tag (self, img, tag) :
-        """
-            Associate the given image with the given tag
-        """
-
-        if img not in self.img_tags :
-            self.img_tags[img] = set([tag])
-        else :
-            s = self.img_tags[img]
-            s.add(tag)
-            self.img_tags[img] = s
-
-
-        if tag not in self.tag_imgs :
-            self.tag_imgs[tag] = set([img])
-        else :
-            s = self.tag_imgs[tag]
-            s.add(img)
-            self.tag_imgs[tag] = s
-
-        print "%s <-> %s" % (img, tag)
-    
-    def imgs (self, tags) :
-        """
-            Get the set of images that have the given set of tags
-        """
-
-        cache_key = "/".join(tags)
-        
-        if cache_key in self._imgs_cache :
-            return self._imgs_cache[cache_key]
-
-        if not tags :
-            return set(self.img_tags.keys())
-
-        img_sets = [self.tag_imgs[tag] for tag in tags]
-        
-        res = None
-
-        for img_set in img_sets :
-            if res :
-                res = res & img_set
-            else :
-                res = img_set
-
-        self._imgs_cache[cache_key] = res
-        
-        return res
-    
-    def tags (self, tags) :
-        """
-            Get the set of tags that are present in the set of images specified by these tags, sorted by count
-
-            This is currently implemented quite inefficiently... giev SQL db?
-        """
-        
-        imgs = self.imgs(tags)
-        
-        ret = []
-        
-        for tag in self.tag_imgs.keys() :
-            if tag in tags :
-                continue
-
-            count = len(self.tag_imgs[tag] & imgs)
-
-            if count :
-                ret.append((tag, count))
-
-        def my_cmp ((at, ac), (bt, bc)) :
-            return cmp((ac, at), (bc, bt))
-
-        ret.sort(reverse=True)
-
-        return ret
-    
-    def close (self) :
-        self.img_tags.close()
-        self.tag_imgs.close()
-