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# -*- coding: utf-8 -*-
# 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 https://2ch.org/"""
from .common import Extractor, Message
from .. import text, util
BASE_PATTERN = r"(?:https?://)?2ch\.(org|su|life|hk)"
class _2chThreadExtractor(Extractor):
"""Extractor for 2ch threads"""
category = "2ch"
subcategory = "thread"
root = "https://2ch.org"
directory_fmt = ("{category}", "{board}", "{thread} {title}")
filename_fmt = "{tim}{filename:? //}.{extension}"
archive_fmt = "{board}_{thread}_{tim}"
pattern = rf"{BASE_PATTERN}/([^/?#]+)/res/(\d+)"
example = "https://2ch.org/a/res/12345.html"
def __init__(self, match):
tld = match[1]
self.root = f"https://2ch.{'org' if tld == 'hk' else tld}"
Extractor.__init__(self, match)
def items(self):
_, board, thread = self.groups
url = f"{self.root}/{board}/res/{thread}.json"
posts = self.request_json(url)["threads"][0]["posts"]
op = posts[0]
title = op.get("subject") or text.remove_html(op["comment"])
thread = {
"board" : board,
"thread": thread,
"title" : text.unescape(title)[:50],
}
yield Message.Directory, "", thread
for post in posts:
if files := post.get("files"):
post["post_name"] = post["name"]
post["date"] = self.parse_timestamp(post["timestamp"])
del post["files"]
del post["name"]
for file in files:
file.update(thread)
file.update(post)
file["filename"] = file["fullname"].rpartition(".")[0]
file["tim"], _, file["extension"] = \
file["name"].rpartition(".")
yield Message.Url, self.root + file["path"], file
class _2chBoardExtractor(Extractor):
"""Extractor for 2ch boards"""
category = "2ch"
subcategory = "board"
root = "https://2ch.org"
pattern = rf"{BASE_PATTERN}/([^/?#]+)/?$"
example = "https://2ch.org/a/"
def __init__(self, match):
tld = match[1]
self.root = f"https://2ch.{'su' if tld == 'hk' else tld}"
Extractor.__init__(self, match)
def items(self):
base = f"{self.root}/{self.groups[1]}"
# index page
url = f"{base}/index.json"
index = self.request_json(url)
index["_extractor"] = _2chThreadExtractor
for thread in index["threads"]:
url = f"{base}/res/{thread['thread_num']}.html"
yield Message.Queue, url, index
# pages 1..n
for n in util.advance(index["pages"], 1):
url = f"{base}/{n}.json"
page = self.request_json(url)
page["_extractor"] = _2chThreadExtractor
for thread in page["threads"]:
url = f"{base}/res/{thread['thread_num']}.html"
yield Message.Queue, url, page
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