[redhawkscans] add extractor

gallery_dl/extractor/redhawkscans.py

@@ -0,0 +1,62 @@
+# -*- 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 pages from http://manga.redhawkscans.com/"""
+
+from .common import SequentialExtractor
+from .common import Message
+from .common import unescape
+import os.path
+import json
+import re
+
+info = {
+    "category": "redhawkscans",
+    "extractor": "RedHawkScansExtractor",
+    "directory": ["{category}", "{manga}", "c{chapter:>03} - {title}"],
+    "filename": "{manga}_c{chapter:>03}_{page:>03}.{extension}",
+    "pattern": [
+        r"(?:https?://)?manga\.redhawkscans\.com/reader/read/([^/]+/[^/]+/[^/]+/[^/]+).*",
+    ],
+}
+
+class RedHawkScansExtractor(SequentialExtractor):
+
+    url_base = "https://manga.redhawkscans.com/reader/read/"
+
+    def __init__(self, match, config):
+        SequentialExtractor.__init__(self, config)
+        self.part = match.group(1)
+
+    def items(self):
+        yield Message.Version, 1
+        data, pages = self.get_job_metadata()
+        yield Message.Directory, data
+        for page_index, page_data in enumerate(pages, 1):
+            name, ext = os.path.splitext(page_data["filename"])
+            page_data.update(data)
+            page_data["page"] = page_index
+            page_data["name"] = name
+            page_data["extension"] = ext[1:]
+            yield Message.Url, "https" + page_data["url"][4:], page_data
+
+    def get_job_metadata(self):
+        """Collect metadata for extractor-job"""
+        page = self.request(self.url_base + self.part).text
+        _        , pos = self.extract(page, '<h1 class="tbtitle dnone">', '')
+        manga    , pos = self.extract(page, 'title="', '"', pos)
+        chapter  , pos = self.extract(page, 'title="', '"', pos)
+        json_data, pos = self.extract(page, 'var pages = ', '\n', pos)
+        match = re.match(r"Chapter (\d+)(?:: (.*))?", chapter)
+        return {
+            "category": info["category"],
+            "manga": unescape(manga),
+            "chapter": match.group(1),
+            "language": "English",
+            "title": unescape(match.group(2) or ""),
+        }, json.loads(json_data[:-2])