mirror of
https://github.com/mikf/gallery-dl.git
synced 2024-11-22 10:42:34 +01:00
307 lines
9.4 KiB
Python
307 lines
9.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2023 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://gelbooru.com/"""
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from .common import Extractor, Message
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from . import gelbooru_v02
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from .. import text, exception
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import binascii
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BASE_PATTERN = r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?"
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class GelbooruBase():
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"""Base class for gelbooru extractors"""
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category = "gelbooru"
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basecategory = "booru"
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root = "https://gelbooru.com"
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offset = 0
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def _api_request(self, params, key="post", log=False):
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if "s" not in params:
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params["s"] = "post"
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params["api_key"] = self.api_key
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params["user_id"] = self.user_id
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url = self.root + "/index.php?page=dapi&q=index&json=1"
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data = self.request(url, params=params).json()
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if not key:
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return data
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try:
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posts = data[key]
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except KeyError:
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if log:
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self.log.error("Incomplete API response (missing '%s')", key)
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self.log.debug("%s", data)
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return []
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if not isinstance(posts, list):
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return (posts,)
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return posts
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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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limit = self.per_page // 2
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pid = False
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if "tags" in params:
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tags = params["tags"].split()
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op = "<"
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id = False
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for tag in tags:
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if tag.startswith("sort:"):
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if tag == "sort:id:asc":
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op = ">"
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elif tag == "sort:id" or tag.startswith("sort:id:"):
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op = "<"
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else:
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pid = True
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elif tag.startswith("id:"):
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id = True
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if not pid:
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if id:
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tag = "id:" + op
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tags = [t for t in tags if not t.startswith(tag)]
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tags = "{} id:{}".format(" ".join(tags), op)
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while True:
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posts = self._api_request(params)
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yield from posts
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if len(posts) < limit:
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return
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if pid:
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params["pid"] += 1
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else:
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if "pid" in params:
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del params["pid"]
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params["tags"] = tags + str(posts[-1]["id"])
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def _pagination_html(self, params):
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url = self.root + "/index.php"
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params["pid"] = self.offset
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data = {}
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while True:
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num_ids = 0
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page = self.request(url, params=params).text
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for data["id"] in text.extract_iter(page, '" id="p', '"'):
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num_ids += 1
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yield from self._api_request(data)
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if num_ids < self.per_page:
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return
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params["pid"] += self.per_page
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@staticmethod
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def _file_url(post):
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url = post["file_url"]
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if url.endswith((".webm", ".mp4")):
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md5 = post["md5"]
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path = "/images/{}/{}/{}.webm".format(md5[0:2], md5[2:4], md5)
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post["_fallback"] = GelbooruBase._video_fallback(path)
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url = "https://img3.gelbooru.com" + path
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return url
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@staticmethod
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def _video_fallback(path):
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yield "https://img2.gelbooru.com" + path
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yield "https://img1.gelbooru.com" + path
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def _notes(self, post, page):
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notes_data = text.extr(page, '<section id="notes"', '</section>')
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if not notes_data:
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return
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post["notes"] = notes = []
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extr = text.extract
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for note in text.extract_iter(notes_data, '<article', '</article>'):
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notes.append({
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"width" : int(extr(note, 'data-width="', '"')[0]),
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"height": int(extr(note, 'data-height="', '"')[0]),
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"x" : int(extr(note, 'data-x="', '"')[0]),
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"y" : int(extr(note, 'data-y="', '"')[0]),
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"body" : extr(note, 'data-body="', '"')[0],
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})
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def _skip_offset(self, num):
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self.offset += num
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return num
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class GelbooruTagExtractor(GelbooruBase,
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gelbooru_v02.GelbooruV02TagExtractor):
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"""Extractor for images from gelbooru.com based on search-tags"""
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pattern = BASE_PATTERN + r"page=post&s=list&tags=([^&#]*)"
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example = "https://gelbooru.com/index.php?page=post&s=list&tags=TAG"
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class GelbooruPoolExtractor(GelbooruBase,
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gelbooru_v02.GelbooruV02PoolExtractor):
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"""Extractor for gelbooru pools"""
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per_page = 45
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pattern = BASE_PATTERN + r"page=pool&s=show&id=(\d+)"
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example = "https://gelbooru.com/index.php?page=pool&s=show&id=12345"
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skip = GelbooruBase._skip_offset
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def metadata(self):
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url = self.root + "/index.php"
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self._params = {
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"page": "pool",
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"s" : "show",
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"id" : self.pool_id,
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}
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page = self.request(url, params=self._params).text
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name, pos = text.extract(page, "<h3>Now Viewing: ", "</h3>")
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if not name:
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raise exception.NotFoundError("pool")
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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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return self._pagination_html(self._params)
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class GelbooruFavoriteExtractor(GelbooruBase,
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gelbooru_v02.GelbooruV02FavoriteExtractor):
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"""Extractor for gelbooru favorites"""
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per_page = 100
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pattern = BASE_PATTERN + r"page=favorites&s=view&id=(\d+)"
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example = "https://gelbooru.com/index.php?page=favorites&s=view&id=12345"
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skip = GelbooruBase._skip_offset
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def posts(self):
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# get number of favorites
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params = {
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"s" : "favorite",
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"id" : self.favorite_id,
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"limit": "2",
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}
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data = self._api_request(params, None, True)
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count = data["@attributes"]["count"]
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self.log.debug("API reports %s favorite entries", count)
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favs = data["favorite"]
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try:
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order = 1 if favs[0]["id"] < favs[1]["id"] else -1
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except LookupError as exc:
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self.log.debug(
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"Error when determining API favorite order (%s: %s)",
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exc.__class__.__name__, exc)
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order = -1
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else:
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self.log.debug("API yields favorites in %sscending order",
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"a" if order > 0 else "de")
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order_favs = self.config("order-posts")
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if order_favs and order_favs[0] in ("r", "a"):
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self.log.debug("Returning them in reverse")
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order = -order
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if order < 0:
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return self._pagination(params, count)
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return self._pagination_reverse(params, count)
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def _pagination(self, params, count):
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if self.offset:
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pnum, skip = divmod(self.offset, self.per_page)
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else:
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pnum = skip = 0
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params["pid"] = pnum
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params["limit"] = self.per_page
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while True:
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favs = self._api_request(params, "favorite")
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if not favs:
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return
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if skip:
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favs = favs[skip:]
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skip = 0
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for fav in favs:
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for post in self._api_request({"id": fav["favorite"]}):
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post["date_favorited"] = text.parse_timestamp(fav["added"])
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yield post
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params["pid"] += 1
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def _pagination_reverse(self, params, count):
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pnum, last = divmod(count-1, self.per_page)
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if self.offset > last:
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# page number change
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self.offset -= last
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diff, self.offset = divmod(self.offset-1, self.per_page)
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pnum -= diff + 1
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skip = self.offset
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params["pid"] = pnum
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params["limit"] = self.per_page
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while True:
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favs = self._api_request(params, "favorite")
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favs.reverse()
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if skip:
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favs = favs[skip:]
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skip = 0
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for fav in favs:
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for post in self._api_request({"id": fav["favorite"]}):
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post["date_favorited"] = text.parse_timestamp(fav["added"])
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yield post
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params["pid"] -= 1
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if params["pid"] < 0:
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return
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class GelbooruPostExtractor(GelbooruBase,
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gelbooru_v02.GelbooruV02PostExtractor):
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"""Extractor for single images from gelbooru.com"""
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pattern = (BASE_PATTERN +
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r"(?=(?:[^#]+&)?page=post(?:&|#|$))"
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r"(?=(?:[^#]+&)?s=view(?:&|#|$))"
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r"(?:[^#]+&)?id=(\d+)")
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example = "https://gelbooru.com/index.php?page=post&s=view&id=12345"
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class GelbooruRedirectExtractor(GelbooruBase, Extractor):
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subcategory = "redirect"
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pattern = (r"(?:https?://)?(?:www\.)?gelbooru\.com"
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r"/redirect\.php\?s=([^&#]+)")
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example = "https://gelbooru.com/redirect.php?s=BASE64"
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.url_base64 = match.group(1)
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def items(self):
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url = text.ensure_http_scheme(binascii.a2b_base64(
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self.url_base64).decode())
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data = {"_extractor": GelbooruPostExtractor}
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yield Message.Queue, url, data
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