mirror of
https://github.com/mikf/gallery-dl.git
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113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2017-2022 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.2chan.net/"""
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from .common import Extractor, Message
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from .. import text
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class _2chanThreadExtractor(Extractor):
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"""Extractor for 2chan threads"""
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category = "2chan"
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subcategory = "thread"
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directory_fmt = ("{category}", "{board_name}", "{thread}")
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filename_fmt = "{tim}.{extension}"
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archive_fmt = "{board}_{thread}_{tim}"
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url_fmt = "https://{server}.2chan.net/{board}/src/{filename}"
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pattern = r"(?:https?://)?([\w-]+)\.2chan\.net/([^/]+)/res/(\d+)"
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test = ("https://dec.2chan.net/70/res/14565.htm", {
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"pattern": r"https://dec\.2chan\.net/70/src/\d{13}\.jpg",
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"count": ">= 3",
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"keyword": {
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"board": "70",
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"board_name": "新板提案",
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"com": str,
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"fsize": r"re:\d+",
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"name": "名無し",
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"no": r"re:1[45]\d\d\d",
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"now": r"re:22/../..\(.\)..:..:..",
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"post": "無題",
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"server": "dec",
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"thread": "14565",
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"tim": r"re:^\d{13}$",
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"time": r"re:^\d{10}$",
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"title": "ﾋﾛｱｶ板"
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},
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})
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.server, self.board, self.thread = match.groups()
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def items(self):
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url = "https://{}.2chan.net/{}/res/{}.htm".format(
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self.server, 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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yield Message.Directory, data
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for post in self.posts(page):
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if "filename" not in post:
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continue
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post.update(data)
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url = self.url_fmt.format_map(post)
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yield Message.Url, url, post
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def metadata(self, page):
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"""Collect metadata for extractor-job"""
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title, _, boardname = text.extr(
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page, "<title>", "</title>").rpartition(" - ")
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return {
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"server": self.server,
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"title": title,
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"board": self.board,
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"board_name": boardname[:-4],
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"thread": self.thread,
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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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page = text.extr(
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page, '<div class="thre"', '<div style="clear:left"></div>')
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return [
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self.parse(post)
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for post in page.split('<table border=0>')
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]
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def parse(self, post):
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"""Build post-object by extracting data from an HTML post"""
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data = self._extract_post(post)
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if data["name"]:
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data["name"] = data["name"].strip()
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path = text.extr(post, '<a href="/', '"')
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if path and not path.startswith("bin/jump"):
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self._extract_image(post, data)
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data["tim"], _, data["extension"] = data["filename"].partition(".")
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data["time"] = data["tim"][:-3]
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data["ext"] = "." + data["extension"]
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return data
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@staticmethod
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def _extract_post(post):
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return text.extract_all(post, (
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("post", 'class="csb">' , '<'),
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("name", 'class="cnm">' , '<'),
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("now" , 'class="cnw">' , '<'),
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("no" , 'class="cno">No.', '<'),
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(None , '<blockquote', ''),
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("com" , '>', '</blockquote>'),
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))[0]
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@staticmethod
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def _extract_image(post, data):
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text.extract_all(post, (
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(None , '_blank', ''),
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("filename", '>', '<'),
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("fsize" , '(', ' '),
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), 0, data)
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