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75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015-2023 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 https://www.4chan.org/"""
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from .common import Extractor, Message
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from .. import text
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class _4chanThreadExtractor(Extractor):
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"""Extractor for 4chan threads"""
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category = "4chan"
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subcategory = "thread"
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directory_fmt = ("{category}", "{board}", "{thread} {title}")
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filename_fmt = "{tim} {filename}.{extension}"
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archive_fmt = "{board}_{thread}_{tim}"
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pattern = (r"(?:https?://)?boards\.4chan(?:nel)?\.org"
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r"/([^/]+)/thread/(\d+)")
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example = "https://boards.4channel.org/a/thread/12345/"
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.board, self.thread = match.groups()
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def items(self):
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url = "https://a.4cdn.org/{}/thread/{}.json".format(
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self.board, self.thread)
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posts = self.request(url).json()["posts"]
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title = posts[0].get("sub") or text.remove_html(posts[0]["com"])
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data = {
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"board" : self.board,
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"thread": self.thread,
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"title" : text.unescape(title)[:50],
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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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post.update(data)
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post["extension"] = post["ext"][1:]
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post["filename"] = text.unescape(post["filename"])
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url = "https://i.4cdn.org/{}/{}{}".format(
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post["board"], post["tim"], post["ext"])
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yield Message.Url, url, post
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class _4chanBoardExtractor(Extractor):
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"""Extractor for 4chan boards"""
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category = "4chan"
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subcategory = "board"
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pattern = r"(?:https?://)?boards\.4chan(?:nel)?\.org/([^/?#]+)/\d*$"
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example = "https://boards.4channel.org/a/"
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.board = match.group(1)
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def items(self):
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url = "https://a.4cdn.org/{}/threads.json".format(self.board)
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threads = self.request(url).json()
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for page in threads:
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for thread in page["threads"]:
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url = "https://boards.4chan.org/{}/thread/{}/".format(
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self.board, thread["no"])
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thread["page"] = page["page"]
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thread["_extractor"] = _4chanThreadExtractor
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yield Message.Queue, url, thread
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