[yaplog] update metadata structure (#190)

Put all blog post related fields in its own dict.

'image_id' -> 'id'
'post_id'  -> 'post[id]'
'title'    -> 'post[title]'
etc ...

gallery_dl/extractor/yaplog.py

@@ -16,9 +16,9 @@ class YaplogExtractor(AsynchronousMixin, Extractor):
     """Base class for yaplog extractors"""
     category = "yaplog"
     root = "https://yaplog.jp"
-    filename_fmt = "{post_id}_{image_id}_{title}.{extension}"
-    directory_fmt = ("{category}", "{user}")
-    archive_fmt = "{user}_{image_id}"
+    filename_fmt = "{post[id]}_{post[title]}_{id}.{extension}"
+    directory_fmt = ("{category}", "{post[user]}")
+    archive_fmt = "{post[user]}_{id}"
 
     def __init__(self, match):
         Extractor.__init__(self, match)
@@ -26,8 +26,8 @@ class YaplogExtractor(AsynchronousMixin, Extractor):
 
     def items(self):
         yield Message.Version, 1
-        for urls, data in self.posts():
-            yield Message.Directory, data
+        for post, urls in self.posts():
+            yield Message.Directory, {"post": post}
             for num, url in enumerate(urls, 1):
                 page = self.request(url).text if num > 1 else url
                 iurl = text.extract(page, '<img src="', '"')[0]
@@ -35,14 +35,14 @@ class YaplogExtractor(AsynchronousMixin, Extractor):
                 image = {
                     "url"      : iurl,
                     "num"      : num,
-                    "image_id" : text.parse_int(iid.partition("_")[0]),
+                    "id"       : text.parse_int(iid.partition("_")[0]),
                     "extension": ext,
+                    "post"     : post,
                 }
-                image.update(data)
                 yield Message.Url, iurl, image
 
     def posts(self):
-        """Return an iterable with (data, image URLs) tuples"""
+        """Return an iterable with (data, image page URLs) tuples"""
 
     def _parse_post(self, url):
         page = self.request(url).text
@@ -66,16 +66,16 @@ class YaplogExtractor(AsynchronousMixin, Extractor):
                 urls.append(base + part)
 
         return prev, urls, {
-            "post_id": text.parse_int(pid),
-            "title"  : text.unescape(title[:-3]),
-            "user"   : self.user,
-            "date"   : date,
+            "id"   : text.parse_int(pid),
+            "title": text.unescape(title[:-3]),
+            "user" : self.user,
+            "date" : date,
         }
 
 
-class YaplogUserExtractor(YaplogExtractor):
+class YaplogBlogExtractor(YaplogExtractor):
     """Extractor for a user's blog on yaplog.jp"""
-    subcategory = "user"
+    subcategory = "blog"
     pattern = r"(?:https?://)?(?:www\.)?yaplog\.jp/(\w+)/?(?:$|[?&#])"
     test = ("https://yaplog.jp/omitakashi3", {
         "pattern": r"https://img.yaplog.jp/img/18/pc/o/m/i/omitakashi3/0/",
@@ -86,7 +86,7 @@ class YaplogUserExtractor(YaplogExtractor):
         url = "{}/{}/image/".format(self.root, self.user)
         while url:
             url, images, data = self._parse_post(url)
-            yield images, data
+            yield data, images
 
 
 class YaplogPostExtractor(YaplogExtractor):
@@ -96,7 +96,7 @@ class YaplogPostExtractor(YaplogExtractor):
                r"/(\w+)/(?:archive|image)/(\d+)")
     test = ("https://yaplog.jp/imamiami0726/image/1299", {
         "url": "896cae20fa718735a57e723c48544e830ff31345",
-        "keyword": "9bb89e959bb518a8797242aa3e03e17caa00beba",
+        "keyword": "f8d8781e61c4c38238a7622d6df6c905f864e5d3",
     })
 
     def __init__(self, match):
@@ -106,4 +106,4 @@ class YaplogPostExtractor(YaplogExtractor):
     def posts(self):
         url = "{}/{}/image/{}".format(self.root, self.user, self.post_id)
         _, images, data = self._parse_post(url)
-        return ((images, data),)
+        return ((data, images),)