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257 lines
7.9 KiB
257 lines
7.9 KiB
# -*- coding: utf-8 -*-
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# Copyright 2020 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 *booru sites"""
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from .common import Extractor, Message, generate_extractors
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from .. import text, util, exception
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from xml.etree import ElementTree
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import collections
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import operator
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import re
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class BooruExtractor(Extractor):
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"""Base class for *booru extractors"""
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basecategory = "booru"
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filename_fmt = "{category}_{id}_{md5}.{extension}"
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page_start = 0
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per_page = 100
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def items(self):
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self.login()
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data = self.metadata()
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tags = self.config("tags", False)
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for post in self.posts():
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try:
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url = self._file_url(post)
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if url[0] == "/":
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url = self.root + url
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except (KeyError, TypeError):
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self.log.debug("Unable to fetch download URL for post %s "
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"(md5: %s)", post.get("id"), post.get("md5"))
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continue
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if tags:
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self._extended_tags(post)
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self._prepare(post)
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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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pages = num // self.per_page
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self.page_start += pages
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return pages * self.per_page
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def login(self):
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"""Login and set necessary cookies"""
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def metadata(self):
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"""Return a dict with general metadata"""
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return ()
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def posts(self):
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"""Return an iterable with post objects"""
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return ()
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_file_url = operator.itemgetter("file_url")
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@staticmethod
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def _prepare(post):
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post["date"] = text.parse_datetime(
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post["created_at"], "%a %b %d %H:%M:%S %z %Y")
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def _extended_tags(self, post, page=None):
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if not page:
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url = "{}/index.php?page=post&s=view&id={}".format(
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self.root, post["id"])
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page = self.request(url).text
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html = text.extract(page, '<ul id="tag-', '</ul>')[0]
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if html:
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tags = collections.defaultdict(list)
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pattern = re.compile(
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r"tag-type-([^\"' ]+).*?[?;]tags=([^\"'&]+)", re.S)
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for tag_type, tag_name in pattern.findall(html):
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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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post["tags_" + key] = " ".join(value)
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def _api_request(self, params):
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url = self.root + "/index.php?page=dapi&s=post&q=index"
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return ElementTree.fromstring(self.request(url, params=params).text)
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def _pagination(self, params):
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params["pid"] = self.page_start
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params["limit"] = self.per_page
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while True:
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root = self._api_request(params)
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for post in root:
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yield post.attrib
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if len(root) < self.per_page:
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return
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params["pid"] += 1
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class BooruPostExtractor(BooruExtractor):
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subcategory = "post"
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archive_fmt = "{id}"
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pattern_fmt = r"/index\.php\?page=post&s=view&id=(\d+)"
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def __init__(self, match):
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BooruExtractor.__init__(self, match)
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self.post_id = match.group(1)
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def posts(self):
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return self._pagination({"id": self.post_id})
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class BooruTagExtractor(BooruExtractor):
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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_fmt = r"/index\.php\?page=post&s=list&tags=([^&#]+)"
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def __init__(self, match):
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BooruExtractor.__init__(self, match)
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self.tags = text.unquote(match.group(1).replace("+", " "))
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def metadata(self):
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return {"search_tags": self.tags}
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def posts(self):
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return self._pagination({"tags" : self.tags})
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class BooruPoolExtractor(BooruExtractor):
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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_fmt = r"/index\.php\?page=pool&s=show&id=(\d+)"
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def __init__(self, match):
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BooruExtractor.__init__(self, match)
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self.pool_id = match.group(1)
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self.post_ids = ()
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def skip(self, num):
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self.page_start += num
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return num
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def metadata(self):
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url = "{}/index.php?page=pool&s=show&id={}".format(
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self.root, self.pool_id)
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page = self.request(url).text
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name, pos = text.extract(page, "<h4>Pool: ", "</h4>")
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if not name:
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raise exception.NotFoundError("pool")
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self.post_ids = text.extract_iter(
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page, 'class="thumb" id="p', '"', pos)
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return {
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"pool": text.parse_int(self.pool_id),
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"pool_name": text.unescape(name),
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}
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def posts(self):
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params = {}
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for params["id"] in util.advance(self.post_ids, self.page_start):
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for post in self._api_request(params):
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yield post.attrib
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EXTRACTORS = {
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"rule34": {
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"root": "https://rule34.xxx",
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"test-tag": (
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("https://rule34.xxx/index.php?page=post&s=list&tags=danraku", {
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"content": "97e4bbf86c3860be18de384d02d544251afe1d45",
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"pattern": r"https?://.*rule34\.xxx/images/\d+/[0-9a-f]+\.jpg",
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"count": 1,
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}),
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),
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"test-pool": (
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("https://rule34.xxx/index.php?page=pool&s=show&id=179", {
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"count": 3,
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}),
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),
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"test-post": (
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("https://rule34.xxx/index.php?page=post&s=view&id=1995545", {
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"content": "97e4bbf86c3860be18de384d02d544251afe1d45",
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"options": (("tags", True),),
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"keyword": {
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"tags_artist": "danraku",
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"tags_character": "kashima_(kantai_collection)",
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"tags_copyright": "kantai_collection",
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"tags_general": str,
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"tags_metadata": str,
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},
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}),
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),
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},
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"safebooru": {
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"root": "https://safebooru.org",
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"test-tag": (
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("https://safebooru.org/index.php?page=post&s=list&tags=bonocho", {
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"url": "17c61b386530cf4c30842c9f580d15ef1cd09586",
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"content": "e5ad4c5bf241b1def154958535bef6c2f6b733eb",
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}),
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),
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"test-pool": (
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("https://safebooru.org/index.php?page=pool&s=show&id=11", {
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"count": 5,
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}),
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),
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"test-post": (
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("https://safebooru.org/index.php?page=post&s=view&id=1169132", {
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"url": "cf05e37a3c62b2d55788e2080b8eabedb00f999b",
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"content": "93b293b27dabd198afafabbaf87c49863ac82f27",
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"options": (("tags", True),),
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"keyword": {
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"tags_artist": "kawanakajima",
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"tags_character": "heath_ledger ronald_mcdonald the_joker",
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"tags_copyright": "dc_comics mcdonald's the_dark_knight",
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"tags_general": str,
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},
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}),
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),
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},
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"realbooru": {
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"root": "https://realbooru.com",
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"test-tag": (
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("https://realbooru.com/index.php?page=post&s=list&tags=wine", {
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"count": ">= 64",
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}),
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),
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"test-pool": (
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("https://realbooru.com/index.php?page=pool&s=show&id=1", {
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"count": 3,
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}),
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),
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"test-post": (
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("https://realbooru.com/index.php?page=post&s=view&id=668483", {
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"url": "2421b5b0e15d5e20f9067090a8b0fd4114d3e7d9",
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"content": "7f5873ce3b6cd295ea2e81fcb49583098ea9c8da",
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}),
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),
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},
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}
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generate_extractors(EXTRACTORS, globals(), (
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BooruTagExtractor,
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BooruPoolExtractor,
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BooruPostExtractor,
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))
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