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119 lines
3.9 KiB
119 lines
3.9 KiB
# -*- coding: utf-8 -*-
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# Copyright 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://4chanarchives.com/"""
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from .common import Extractor, Message
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from .. import text
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class _4chanarchivesThreadExtractor(Extractor):
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"""Extractor for threads on 4chanarchives.com"""
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category = "4chanarchives"
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subcategory = "thread"
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root = "https://4chanarchives.com"
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directory_fmt = ("{category}", "{board}", "{thread} - {title}")
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filename_fmt = "{no}-{filename}.{extension}"
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archive_fmt = "{board}_{thread}_{no}"
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referer = False
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pattern = r"(?:https?://)?4chanarchives\.com/board/([^/?#]+)/thread/(\d+)"
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example = "https://4chanarchives.com/board/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 = "{}/board/{}/thread/{}".format(
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self.root, self.board, self.thread)
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page = self.request(url).text
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data = self.metadata(page)
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posts = self.posts(page)
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if not data["title"]:
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data["title"] = text.unescape(text.remove_html(
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posts[0]["com"]))[:50]
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for post in posts:
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post.update(data)
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yield Message.Directory, post
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if "url" in post:
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yield Message.Url, post["url"], post
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def metadata(self, page):
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return {
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"board" : self.board,
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"thread" : self.thread,
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"title" : text.unescape(text.extr(
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page, 'property="og:title" content="', '"')),
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}
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def posts(self, page):
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"""Build a list of all post objects"""
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return [self.parse(html) for html in text.extract_iter(
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page, 'id="pc', '</blockquote>')]
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def parse(self, html):
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"""Build post object by extracting data from an HTML post"""
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post = self._extract_post(html)
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if ">File: <" in html:
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self._extract_file(html, post)
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post["extension"] = post["url"].rpartition(".")[2]
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return post
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@staticmethod
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def _extract_post(html):
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extr = text.extract_from(html)
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return {
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"no" : text.parse_int(extr('', '"')),
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"name": extr('class="name">', '<'),
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"time": extr('class="dateTime postNum" >', '<').rstrip(),
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"com" : text.unescape(
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html[html.find('<blockquote'):].partition(">")[2]),
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}
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@staticmethod
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def _extract_file(html, post):
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extr = text.extract_from(html, html.index(">File: <"))
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post["url"] = extr('href="', '"')
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post["filename"] = text.unquote(extr(">", "<").rpartition(".")[0])
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post["fsize"] = extr("(", ", ")
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post["w"] = text.parse_int(extr("", "x"))
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post["h"] = text.parse_int(extr("", ")"))
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class _4chanarchivesBoardExtractor(Extractor):
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"""Extractor for boards on 4chanarchives.com"""
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category = "4chanarchives"
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subcategory = "board"
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root = "https://4chanarchives.com"
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pattern = r"(?:https?://)?4chanarchives\.com/board/([^/?#]+)(?:/(\d+))?/?$"
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example = "https://4chanarchives.com/board/a/"
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.board, self.page = match.groups()
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def items(self):
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data = {"_extractor": _4chanarchivesThreadExtractor}
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pnum = text.parse_int(self.page, 1)
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needle = '''<span class="postNum desktop">
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<span><a href="'''
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while True:
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url = "{}/board/{}/{}".format(self.root, self.board, pnum)
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page = self.request(url).text
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thread = None
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for thread in text.extract_iter(page, needle, '"'):
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yield Message.Queue, thread, data
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if thread is None:
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return
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pnum += 1
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