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gallery-dl/gallery_dl/extractor/2ch.py
Mike Fährmann 68196589c4
[2ch] update
- simplify extractor code
- more metadata
- add tests
2024-01-15 04:09:05 +01:00

92 lines
3.0 KiB
Python

# -*- 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.hk/"""
from .common import Extractor, Message
from .. import text, util
class _2chThreadExtractor(Extractor):
"""Extractor for 2ch threads"""
category = "2ch"
subcategory = "thread"
root = "https://2ch.hk"
directory_fmt = ("{category}", "{board}", "{thread} {title}")
filename_fmt = "{tim}{filename:? //}.{extension}"
archive_fmt = "{board}_{thread}_{tim}"
pattern = r"(?:https?://)?2ch\.hk/([^/?#]+)/res/(\d+)"
example = "https://2ch.hk/a/res/12345.html"
def __init__(self, match):
Extractor.__init__(self, match)
self.board, self.thread = match.groups()
def items(self):
url = "{}/{}/res/{}.json".format(self.root, self.board, self.thread)
posts = self.request(url).json()["threads"][0]["posts"]
op = posts[0]
title = op.get("subject") or text.remove_html(op["comment"])
thread = {
"board" : self.board,
"thread": self.thread,
"title" : text.unescape(title)[:50],
}
yield Message.Directory, thread
for post in posts:
files = post.get("files")
if files:
post["post_name"] = post["name"]
post["date"] = text.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.hk"
pattern = r"(?:https?://)?2ch\.hk/([^/?#]+)/?$"
example = "https://2ch.hk/a/"
def __init__(self, match):
Extractor.__init__(self, match)
self.board = match.group(1)
def items(self):
# index page
url = "{}/{}/index.json".format(self.root, self.board)
index = self.request(url).json()
index["_extractor"] = _2chThreadExtractor
for thread in index["threads"]:
url = "{}/{}/res/{}.html".format(
self.root, self.board, thread["thread_num"])
yield Message.Queue, url, index
# pages 1..n
for n in util.advance(index["pages"], 1):
url = "{}/{}/{}.json".format(self.root, self.board, n)
page = self.request(url).json()
page["_extractor"] = _2chThreadExtractor
for thread in page["threads"]:
url = "{}/{}/res/{}.html".format(
self.root, self.board, thread["thread_num"])
yield Message.Queue, url, page