[zerochan] use API by default (#3669)

add 'pagination' option

test/results/zerochan.py

@@ -12,8 +12,27 @@ __tests__ = (
     "#url"     : "https://www.zerochan.net/Perth+%28Kantai+Collection%29",
     "#category": ("booru", "zerochan", "tag"),
     "#class"   : zerochan.ZerochanTagExtractor,
+    "#pattern" : r"https://static\.zerochan\.net/\.full\.\d+\.jpg",
+    "#count"   : "> 50",
+
+    "extension"  : r"jpg",
+    "file_url"   : r"re:https://static\.zerochan\.net/\.full\.\d+\.jpg",
+    "filename"   : r"re:\.full\.\d+",
+    "height"     : int,
+    "id"         : int,
+    "search_tags": "Perth (Kantai Collection)",
+    "tag"        : r"re:(Perth \(Kantai Collection\)|Kantai Collection)",
+    "tags"       : list,
+    "width"      : int,
+},
+
+{
+    "#url"     : "https://www.zerochan.net/Perth+%28Kantai+Collection%29",
+    "#category": ("booru", "zerochan", "tag"),
+    "#class"   : zerochan.ZerochanTagExtractor,
+    "#options" : {"pagination": "html"},
     "#pattern" : r"https://static\.zerochan\.net/.+\.full\.\d+\.(jpg|png)",
-    "#count"   : "> 24",
+    "#count"   : "> 45",
 
     "extension"  : r"re:jpg|png",
     "file_url"   : r"re:https://static\.zerochan\.net/.+\.full\.\d+\.(jpg|png)",
@@ -58,8 +77,37 @@ __tests__ = (
         "Theme:Personification",
         "Theme:Pins",
         "Theme:Ribbon",
-        "Theme:Shirt",
         "Theme:Short Hair",
+        "Theme:Top",
+    ],
+    "uploader": "YukinoTokisaki",
+    "width"   : 1920,
+},
+
+{
+    "#url"     : "https://www.zerochan.net/2920445",
+    "#category": ("booru", "zerochan", "image"),
+    "#class"   : zerochan.ZerochanImageExtractor,
+    "#pattern" : r"https://static\.zerochan\.net/Perth\.%28Kantai\.Collection%29\.full.2920445\.jpg",
+    "#auth"    : False,
+
+    "author"  : "YeFan 葉凡",
+    "date"    : "dt:2020-04-24 21:33:44",
+    "file_url": "https://static.zerochan.net/Perth.%28Kantai.Collection%29.full.2920445.jpg",
+    "filename": "Perth.(Kantai.Collection).full.2920445",
+    "height"  : 1366,
+    "id"      : 2920445,
+    "path"    : [
+        "Kantai Collection",
+        "Perth (Kantai Collection)",
+    ],
+    "size"    : 1975296,
+    "tags"    : [
+        "Mangaka:YeFan 葉凡",
+        "Game:Kantai Collection",
+        "Character:Perth (Kantai Collection)",
+        "Theme:Firefighter Outfit",
+        "Theme:Pins",
     ],
     "uploader": "YukinoTokisaki",
     "width"   : 1920,