110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2022-2025 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Extractors for vichan imageboards"""
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from .common import BaseExtractor, Message
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from .. import text
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class VichanExtractor(BaseExtractor):
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"""Base class for vichan extractors"""
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basecategory = "vichan"
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BASE_PATTERN = VichanExtractor.update({
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"8kun": {
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"root": "https://8kun.top",
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"pattern": r"8kun\.top",
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},
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"smugloli": {
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"root": None,
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"pattern": r"smuglo(?:\.li|li\.net)",
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},
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"gurochan": {
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"root": "https://boards.guro.cx",
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"pattern": r"boards\.guro\.cx",
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},
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})
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class VichanThreadExtractor(VichanExtractor):
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"""Extractor for vichan threads"""
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subcategory = "thread"
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directory_fmt = ("{category}", "{board}", "{thread} {title}")
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filename_fmt = "{time}{num:?-//} {filename}.{extension}"
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archive_fmt = "{board}_{thread}_{tim}"
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pattern = BASE_PATTERN + r"/([^/?#]+)/res/(\d+)"
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example = "https://8kun.top/a/res/12345.html"
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def items(self):
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board = self.groups[-2]
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thread = self.groups[-1]
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url = f"{self.root}/{board}/res/{thread}.json"
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posts = self.request_json(url)["posts"]
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title = posts[0].get("sub") or text.remove_html(posts[0]["com"])
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process = (self._process_8kun if self.category == "8kun" else
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self._process)
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data = {
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"board" : board,
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"thread": thread,
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"title" : text.unescape(title)[:50],
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"num" : 0,
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}
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yield Message.Directory, "", data
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for post in posts:
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if "filename" in post:
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yield process(post, data)
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if "extra_files" in post:
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for post["num"], filedata in enumerate(
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post["extra_files"], 1):
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yield process(post, filedata)
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def _process(self, post, data):
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post.update(data)
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ext = post["ext"]
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post["extension"] = ext[1:]
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post["url"] = url = \
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f"{self.root}/{post['board']}/src/{post['tim']}{ext}"
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return Message.Url, url, post
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def _process_8kun(self, post, data):
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post.update(data)
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ext = post["ext"]
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tim = post["tim"]
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if len(tim) > 16:
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url = f"https://media.128ducks.com/file_store/{tim}{ext}"
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else:
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url = f"https://media.128ducks.com/{post['board']}/src/{tim}{ext}"
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post["url"] = url
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post["extension"] = ext[1:]
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return Message.Url, url, post
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class VichanBoardExtractor(VichanExtractor):
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"""Extractor for vichan boards"""
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subcategory = "board"
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pattern = BASE_PATTERN + r"/([^/?#]+)(?:/index|/catalog|/\d+|/?$)"
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example = "https://8kun.top/a/"
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def items(self):
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board = self.groups[-1]
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url = f"{self.root}/{board}/threads.json"
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threads = self.request_json(url)
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for page in threads:
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for thread in page["threads"]:
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url = f"{self.root}/{board}/res/{thread['no']}.html"
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thread["page"] = page["page"]
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thread["_extractor"] = VichanThreadExtractor
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yield Message.Queue, url, thread
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