[realbooru] fix extraction

revert ac97aca99c

gallery_dl/extractor/gelbooru_v02.py

@@ -25,7 +25,7 @@ class GelbooruV02Extractor(booru.BooruExtractor):
         self.api_root = self.config_instance("api_root") or self.root
 
         if self.category == "realbooru":
-            self.items = self._items_realbooru
+            self._file_url = self._file_url_realbooru
             self._tags = self._tags_realbooru
 
     def _api_request(self, params):
@@ -124,28 +124,6 @@ class GelbooruV02Extractor(booru.BooruExtractor):
                 self.root, md5[0:2], md5[2:4], md5, url.rpartition(".")[2])
         return url
 
-    def _items_realbooru(self):
-        from .common import Message
-        data = self.metadata()
-
-        for post in self.posts():
-            try:
-                html = self._html(post)
-                url = post["file_url"] = text.rextract(
-                    html, 'href="', '"', html.index(">Original<"))[0]
-            except Exception:
-                self.log.debug("Unable to fetch download URL for post %s "
-                               "(md5: %s)", post.get("id"), post.get("md5"))
-                continue
-
-            text.nameext_from_url(url, post)
-            post.update(data)
-            self._prepare(post)
-            self._tags(post, html)
-
-            yield Message.Directory, post
-            yield Message.Url, url, post
-
     def _tags_realbooru(self, post, page):
         tag_container = text.extr(page, 'id="tagLink"', '</div>')
         tags = collections.defaultdict(list)