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126 lines
4.4 KiB
126 lines
4.4 KiB
# -*- coding: utf-8 -*-
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# Copyright 2018-2019 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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"""Extract images from https://yuki.la/"""
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from .common import Extractor, Message
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from .. import text
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class YukiThreadExtractor(Extractor):
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"""Extractor for images from threads on yuki.la"""
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category = "yuki"
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subcategory = "thread"
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directory_fmt = ("{category}", "{board}", "{thread}{title:? - //}")
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filename_fmt = "{time}-{filename}.{extension}"
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archive_fmt = "{board}_{thread}_{tim}"
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pattern = r"(?:https?://)?yuki\.la/([^/?&#]+)/(\d+)"
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test = (
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("https://yuki.la/gd/309639", {
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"url": "289e86c5caf673a2515ec5f5f521ac0ae7e189e9",
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"keyword": "01cbe29ae207a5cb7556bcbd5ed481ecdaf32727",
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"content": "c27e2a7be3bc989b5dd859f7789cc854db3f5573",
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}),
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("https://yuki.la/a/159767162", {
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"url": "cd94d0eb646d279c3b7efb9b7898888e5d44fa93",
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"keyword": "7a4ff90e423c74bd3126fb65d13015decec2fa45",
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}),
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# old thread - missing board name in title and multi-line HTML
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("https://yuki.la/gif/6877752", {
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"url": "3dbb2f8453490d002416c5fc2fe95b56c129faf9",
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"keyword": "563ef4ae80134d845dddaed7ebe56f5fc41056be",
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}),
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# even older thread - no thread title
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("https://yuki.la/a/9357051", {
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"url": "010560bf254bd485e48366c3531728bda4b22583",
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"keyword": "7b736c41e307dcfcb84ef495f29299a6ddd06d67",
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}),
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)
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root = "https://yuki.la"
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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 = "{}/{}/{}".format(self.root, self.board, self.thread)
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page = self.request(url).text
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data = self.get_metadata(page)
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yield Message.Version, 1
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yield Message.Directory, data
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for post in self.posts(page):
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if "image" in post:
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for key in ("w", "h", "no", "time"):
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post[key] = text.parse_int(post[key])
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post.update(data)
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yield Message.Url, post["image"], post
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def get_metadata(self, page):
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"""Collect metadata for extractor-job"""
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title = text.extract(page, "<title>", "</title>")[0]
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try:
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title, boardname, _ = title.rsplit(" - ", 2)
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except ValueError:
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title = boardname = ""
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else:
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title = title.partition(" - ")[2]
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if not title:
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title, boardname = boardname, ""
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return {
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"board": self.board,
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"board_name": boardname,
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"thread": text.parse_int(self.thread),
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"title": text.unescape(title),
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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 [
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self.parse(post) for post in text.extract_iter(
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page, '<div class="postContainer', '</blockquote>')
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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 'class="file"' in post:
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self._extract_image(post, data)
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part = data["image"].rpartition("/")[2]
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data["tim"], _, data["extension"] = part.partition(".")
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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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data, pos = text.extract_all(post, (
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("no" , 'id="pc', '"'),
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("name", '<span class="name">', '</span>'),
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("time", 'data-utc="', '"'),
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("now" , '>', ' <'),
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))
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data["com"] = text.unescape(text.remove_html(
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post[post.index("<blockquote ", pos):].partition(">")[2]))
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return data
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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 , '>File:', ''),
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("fullname", '<a title="', '"'),
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("image" , 'href="', '"'),
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("filename", '>', '<'),
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("fsize" , '(', ', '),
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("w" , '', 'x'),
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("h" , '', ')'),
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), 0, data)
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filename = data["fullname"] or data["filename"]
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data["filename"] = text.unescape(filename.rpartition(".")[0])
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data["image"] = "https:" + data["image"]
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del data["fullname"]
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