[mangapark] add chapter extractor

gallery_dl/extractor/__init__.py

@@ -36,6 +36,7 @@ modules = [
     "mangahere",
     "mangamint",
     "mangapanda",
+    "mangapark",
     "mangareader",
     "mangashare",
     "mangastream",

gallery_dl/extractor/mangapark.py

@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2015 Mike Fährmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+"""Extract manga-chapters and entire manga from http://mangapark.me/"""
+
+from .common import Extractor, Message
+from .. import text
+import re
+
+class MangaparkChapterExtractor(Extractor):
+    """Extract a single manga-chapter from mangapark"""
+    category = "mangapark"
+    subcategory = "chapter"
+    directory_fmt = ["{category}", "{manga}", "c{chapter:>03}{chapter-minor}"]
+    filename_fmt = "{manga}_c{chapter:>03}{chapter-minor}_{page:>03}.{extension}"
+    pattern = [r"(?:https?://)?(?:www\.)?mangapark\.me/manga/([^/]+/s(\d+)(?:/v(\d+))?/c(\d+)(\.\d+)?)"]
+
+    def __init__(self, match):
+        Extractor.__init__(self)
+        self.part, self.version, self.volume, self.chapter, self.chminor = match.groups()
+
+    def items(self):
+        page = self.request("http://mangapark.me/manga/" + self.part + "?zoom=2").text
+        data = self.get_job_metadata(page)
+        yield Message.Version, 1
+        yield Message.Directory, data
+        for num, image in enumerate(self.get_images(page), 1):
+            data.update(image)
+            data["page"] = num
+            yield Message.Url, data["url"], text.nameext_from_url(data["url"], data)
+
+    def get_job_metadata(self, page):
+        data = {
+            "category": self.category,
+            "version": self.version,
+            "volume": self.volume or "",
+            "chapter": self.chapter,
+            "chapter-minor": self.chminor or "",
+            "lang": "en",
+            "language": "English",
+        }
+        data = text.extract_all(page, (
+            ("manga-id"  , "var _manga_id = '", "'"),
+            ("chapter-id", "var _book_id = '", "'"),
+            ("manga"     , "<h2>", "</h2>"),
+            (None        , 'target="_blank" href="', ''),
+            ("count"     , 'page 1">1 / ', '<'),
+        ), values=data)[0]
+        pos = data["manga"].rfind(" ")
+        data["manga"] = data["manga"][:pos]
+        return data
+
+    def get_images(self, page):
+        pos = 0
+        while True:
+            url   , pos = text.extract(page, ' target="_blank" href="', '"', pos)
+            if not url:
+                return
+            width , pos = text.extract(page, ' width="', '"', pos)
+            height, pos = text.extract(page, ' _heighth="', '"', pos)
+            yield {
+                "url": url,
+                "width": width,
+                "height": height,
+            }