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https://github.com/mikf/gallery-dl.git
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300 lines
10 KiB
Python
300 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2019 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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"""Extractors for https://chan.sankakucomplex.com/"""
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from .common import Extractor, Message, SharedConfigMixin
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from .. import text, util, exception
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from ..cache import cache
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import collections
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import random
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import time
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import re
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class SankakuExtractor(SharedConfigMixin, Extractor):
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"""Base class for sankaku extractors"""
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basecategory = "booru"
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category = "sankaku"
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filename_fmt = "{category}_{id}_{md5}.{extension}"
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cookienames = ("login", "pass_hash")
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cookiedomain = "chan.sankakucomplex.com"
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subdomain = "chan"
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.root = "https://" + self.cookiedomain
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self.logged_in = True
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self.start_page = 1
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self.start_post = 0
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self.extags = self.config("tags", False)
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self.wait_min = self.config("wait-min", 3.0)
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self.wait_max = self.config("wait-max", 6.0)
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if self.wait_max < self.wait_min:
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self.wait_max = self.wait_min
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def items(self):
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self.login()
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yield Message.Version, 1
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data = self.get_metadata()
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for post_id in util.advance(self.get_posts(), self.start_post):
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self.wait()
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post = self.get_post_data(post_id)
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url = post["file_url"]
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post.update(data)
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text.nameext_from_url(url, post)
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yield Message.Directory, post
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yield Message.Url, url, post
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def skip(self, num):
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self.start_post += num
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return num
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def get_metadata(self):
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"""Return general metadata"""
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return {}
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def get_posts(self):
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"""Return an iterable containing all relevant post ids"""
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def get_post_data(self, post_id, extr=text.extract):
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"""Extract metadata of a single post"""
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url = self.root + "/post/show/" + post_id
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page = self.request(url, retries=10).text
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tags , pos = extr(page, "<title>", " | ")
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vavg , pos = extr(page, "itemprop=ratingValue>", "<", pos)
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vcnt , pos = extr(page, "itemprop=reviewCount>", "<", pos)
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_ , pos = extr(page, "Posted: <", "", pos)
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created, pos = extr(page, ' title="', '"', pos)
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rating = extr(page, "<li>Rating: ", "<", pos)[0]
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file_url, pos = extr(page, '<li>Original: <a href="', '"', pos)
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if file_url:
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width , pos = extr(page, '>', 'x', pos)
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height, pos = extr(page, '', ' ', pos)
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else:
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width , pos = extr(page, '<object width=', ' ', pos)
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height, pos = extr(page, 'height=', '>', pos)
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file_url = extr(page, '<embed src="', '"', pos)[0]
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data = {
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"id": text.parse_int(post_id),
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"md5": file_url.rpartition("/")[2].partition(".")[0],
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"tags": text.unescape(tags),
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"vote_average": text.parse_float(vavg),
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"vote_count": text.parse_int(vcnt),
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"created_at": created,
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"rating": (rating or "?")[0].lower(),
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"file_url": "https:" + text.unescape(file_url),
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"width": text.parse_int(width),
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"height": text.parse_int(height),
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}
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if self.extags:
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tags = collections.defaultdict(list)
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tags_html = text.extract(page, '<ul id=tag-sidebar>', '</ul>')[0]
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pattern = re.compile(r'tag-type-([^>]+)><a href="/\?tags=([^"]+)')
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for tag_type, tag_name in pattern.findall(tags_html or ""):
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tags[tag_type].append(text.unquote(tag_name))
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for key, value in tags.items():
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data["tags_" + key] = " ".join(value)
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return data
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def wait(self):
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"""Wait for a randomly chosen amount of seconds"""
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time.sleep(random.uniform(self.wait_min, self.wait_max))
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def login(self):
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"""Login and set necessary cookies"""
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if self._check_cookies(self.cookienames):
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return
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username, password = self._get_auth_info()
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if username:
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cookies = self._login_impl((username, self.subdomain), password)
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self._update_cookies(cookies)
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else:
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self.logged_in = False
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@cache(maxage=90*24*3600, keyarg=1)
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def _login_impl(self, usertuple, password):
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username = usertuple[0]
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self.log.info("Logging in as %s", username)
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url = self.root + "/user/authenticate"
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data = {
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"url": "",
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"user[name]": username,
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"user[password]": password,
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"commit": "Login",
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}
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response = self.request(url, method="POST", data=data)
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if not response.history or response.url != self.root + "/user/home":
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raise exception.AuthenticationError()
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cookies = response.history[0].cookies
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return {c: cookies[c] for c in self.cookienames}
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class SankakuTagExtractor(SankakuExtractor):
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"""Extractor for images from chan.sankakucomplex.com by search-tags"""
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subcategory = "tag"
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directory_fmt = ("{category}", "{search_tags}")
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archive_fmt = "t_{search_tags}_{id}"
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pattern = r"(?:https?://)?chan\.sankakucomplex\.com/\?([^#]*)"
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test = (
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("https://chan.sankakucomplex.com/?tags=bonocho", {
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"count": 5,
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"pattern": r"https://cs\.sankakucomplex\.com/data/[^/]{2}/[^/]{2}"
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r"/[^/]{32}\.\w+\?e=\d+&m=[^&#]+",
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}),
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# respect 'page' query parameter
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("https://chan.sankakucomplex.com/?tags=bonocho&page=2", {
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"count": 0,
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}),
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# respect 'next' query parameter
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("https://chan.sankakucomplex.com/?tags=bonocho&next=182284", {
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"count": 1,
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}),
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# error on five or more tags
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("https://chan.sankakucomplex.com/?tags=bonocho+a+b+c+d", {
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"options": (("username", None),),
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"exception": exception.StopExtraction,
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}),
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# match arbitrary query parameters
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("https://chan.sankakucomplex.com"
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"/?tags=marie_rose&page=98&next=3874906&commit=Search"),
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)
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per_page = 20
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def __init__(self, match):
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SankakuExtractor.__init__(self, match)
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query = text.parse_query(match.group(1))
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self.tags = text.unquote(query.get("tags", "").replace("+", " "))
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self.start_page = text.parse_int(query.get("page"), 1)
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self.next = text.parse_int(query.get("next"), 0)
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def skip(self, num):
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if self.next:
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self.start_post += num
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else:
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pages, posts = divmod(num, self.per_page)
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self.start_page += pages
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self.start_post += posts
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return num
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def get_metadata(self):
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if not self.next:
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max_page = 50 if self.logged_in else 25
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if self.start_page > max_page:
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self.log.info("Traversing from page %d to page %d",
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max_page, self.start_page)
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self.start_post += self.per_page * (self.start_page - max_page)
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self.start_page = max_page
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tags = self.tags.split()
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if not self.logged_in and len(tags) > 4:
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raise exception.StopExtraction(
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"Unauthenticated users cannot use more than 4 tags at once.")
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return {"search_tags": " ".join(tags)}
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def get_posts(self):
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params = {"tags": self.tags}
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if self.next:
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params["next"] = self.next
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else:
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params["page"] = self.start_page
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while True:
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self.wait()
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page = self.request(self.root, params=params, retries=10).text
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pos = page.find("<div id=more-popular-posts-link>") + 1
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ids = list(text.extract_iter(page, '" id=p', '>', pos))
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if not ids:
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return
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yield from ids
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next_qs = text.extract(page, 'next-page-url="/?', '"', pos)[0]
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next_id = text.parse_query(next_qs).get("next")
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# stop if the same "next" parameter occurs twice in a row (#265)
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if "next" in params and params["next"] == next_id:
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return
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params["next"] = next_id or (text.parse_int(ids[-1]) - 1)
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params["page"] = "2"
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class SankakuPoolExtractor(SankakuExtractor):
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"""Extractor for image-pools from chan.sankakucomplex.com"""
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subcategory = "pool"
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directory_fmt = ("{category}", "pool", "{pool}")
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archive_fmt = "p_{pool}_{id}"
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pattern = r"(?:https?://)?chan\.sankakucomplex\.com/pool/show/(\d+)"
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test = ("https://chan.sankakucomplex.com/pool/show/90", {
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"count": 5,
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})
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per_page = 24
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def __init__(self, match):
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SankakuExtractor.__init__(self, match)
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self.pool_id = match.group(1)
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def skip(self, num):
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pages, posts = divmod(num, self.per_page)
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self.start_page += pages
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self.start_post += posts
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return num
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def get_metadata(self):
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return {"pool": self.pool_id}
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def get_posts(self):
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url = self.root + "/pool/show/" + self.pool_id
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params = {"page": self.start_page}
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while True:
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page = self.request(url, params=params, retries=10).text
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ids = list(text.extract_iter(page, '" id=p', '>'))
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yield from ids
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if len(ids) < self.per_page:
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return
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params["page"] += 1
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class SankakuPostExtractor(SankakuExtractor):
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"""Extractor for single images from chan.sankakucomplex.com"""
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subcategory = "post"
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archive_fmt = "{id}"
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pattern = r"(?:https?://)?chan\.sankakucomplex\.com/post/show/(\d+)"
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test = ("https://chan.sankakucomplex.com/post/show/360451", {
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"content": "5e255713cbf0a8e0801dc423563c34d896bb9229",
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"options": (("tags", True),),
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"keyword": {
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"tags_artist": "bonocho",
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"tags_studio": "dc_comics",
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"tags_medium": "sketch copyright_name",
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"tags_copyright": str,
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"tags_character": str,
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"tags_general": str,
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},
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})
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def __init__(self, match):
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SankakuExtractor.__init__(self, match)
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self.post_id = match.group(1)
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def get_posts(self):
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return (self.post_id,)
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