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# -*- coding: utf-8 -*-
# Copyright 2022-2025 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.
"""Extractors for 2chen boards"""
from .common import BaseExtractor, Message
from .. import text
class _2chenExtractor(BaseExtractor):
basecategory = "2chen"
BASE_PATTERN = _2chenExtractor.update({
"sturdychan": {
"root": "https://sturdychan.help",
"pattern": r"(?:sturdychan\.help|2chen\.(?:moe|club))",
},
"schan": {
"root": "https://schan.help/",
"pattern": r"schan\.help",
},
})
class _2chenThreadExtractor(_2chenExtractor):
"""Extractor for 2chen threads"""
subcategory = "thread"
directory_fmt = ("{category}", "{board}", "{thread} {title}")
filename_fmt = "{time} {filename}.{extension}"
archive_fmt = "{board}_{thread}_{no}_{time}"
pattern = BASE_PATTERN + r"/([^/?#]+)/(\d+)"
example = "https://sturdychan.help/a/12345/"
def items(self):
board = self.groups[-2]
thread = self.kwdict["thread"] = self.groups[-1]
url = f"{self.root}/{board}/{thread}"
page = self.request(url, encoding="utf-8", notfound="thread").text
self.kwdict["board"], pos = text.extract(
page, 'class="board">/', '/<')
self.kwdict["title"] = text.unescape(text.extract(
page, "<h3>", "</h3>", pos)[0])
yield Message.Directory, "", {}
for post in self.posts(page):
url = post["url"]
if not url:
continue
if url[0] == "/":
url = self.root + url
post["url"] = url = url.partition("?")[0]
post["time"] = text.parse_int(post["date"].timestamp())
yield Message.Url, url, text.nameext_from_url(
post["filename"], post)
def posts(self, page):
"""Return iterable with relevant posts"""
return map(self.parse, text.extract_iter(
page, 'class="glass media', '</article>'))
def parse(self, post):
extr = text.extract_from(post)
return {
"name" : text.unescape(extr("<span>", "</span>")),
"date" : self.parse_datetime(
extr("<time", "<").partition(">")[2],
"%d %b %Y (%a) %H:%M:%S"
),
"no" : extr('href="#p', '"'),
"filename": text.unescape(extr('download="', '"')),
"url" : text.extr(extr("<figure>", "</"), 'href="', '"'),
"hash" : extr('data-hash="', '"'),
}
class _2chenBoardExtractor(_2chenExtractor):
"""Extractor for 2chen boards"""
subcategory = "board"
pattern = BASE_PATTERN + r"/([^/?#]+)(?:/catalog|/?$)"
example = "https://sturdychan.help/a/"
def items(self):
url = f"{self.root}/{self.groups[-1]}/catalog"
page = self.request(url, notfound="board").text
data = {"_extractor": _2chenThreadExtractor}
for thread in text.extract_iter(
page, '<figure><a href="', '"'):
yield Message.Queue, self.root + thread, data
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