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gallery-dl/gallery_dl/extractor/gelbooru.py
2023-03-23 22:58:13 +01:00

297 lines
9.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2023 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Extractors for https://gelbooru.com/"""
from .common import Extractor, Message
from . import gelbooru_v02
from .. import text, exception
import binascii
BASE_PATTERN = r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?"
class GelbooruBase():
"""Base class for gelbooru extractors"""
category = "gelbooru"
basecategory = "booru"
root = "https://gelbooru.com"
offset = 0
def _api_request(self, params, key="post"):
if "s" not in params:
params["s"] = "post"
params["api_key"] = self.api_key
params["user_id"] = self.user_id
url = self.root + "/index.php?page=dapi&q=index&json=1"
data = self.request(url, params=params).json()
if key not in data:
return ()
posts = data[key]
if not isinstance(posts, list):
return (posts,)
return posts
def _pagination(self, params):
params["pid"] = self.page_start
params["limit"] = self.per_page
limit = self.per_page // 2
while True:
posts = self._api_request(params)
for post in posts:
yield post
if len(posts) < limit:
return
if "pid" in params:
del params["pid"]
params["tags"] = "{} id:<{}".format(self.tags, post["id"])
def _pagination_html(self, params):
url = self.root + "/index.php"
params["pid"] = self.offset
data = {}
while True:
num_ids = 0
page = self.request(url, params=params).text
for data["id"] in text.extract_iter(page, '" id="p', '"'):
num_ids += 1
yield from self._api_request(data)
if num_ids < self.per_page:
return
params["pid"] += self.per_page
@staticmethod
def _file_url(post):
url = post["file_url"]
if url.endswith((".webm", ".mp4")):
md5 = post["md5"]
path = "/images/{}/{}/{}.webm".format(md5[0:2], md5[2:4], md5)
post["_fallback"] = GelbooruBase._video_fallback(path)
url = "https://img3.gelbooru.com" + path
return url
@staticmethod
def _video_fallback(path):
yield "https://img2.gelbooru.com" + path
yield "https://img1.gelbooru.com" + path
def _notes(self, post, page):
notes_data = text.extr(page, '<section id="notes"', '</section>')
if not notes_data:
return
post["notes"] = notes = []
extr = text.extract
for note in text.extract_iter(notes_data, '<article', '</article>'):
notes.append({
"width" : int(extr(note, 'data-width="', '"')[0]),
"height": int(extr(note, 'data-height="', '"')[0]),
"x" : int(extr(note, 'data-x="', '"')[0]),
"y" : int(extr(note, 'data-y="', '"')[0]),
"body" : extr(note, 'data-body="', '"')[0],
})
def _skip_offset(self, num):
self.offset += num
return num
class GelbooruTagExtractor(GelbooruBase,
gelbooru_v02.GelbooruV02TagExtractor):
"""Extractor for images from gelbooru.com based on search-tags"""
pattern = BASE_PATTERN + r"page=post&s=list&tags=([^&#]+)"
test = (
("https://gelbooru.com/index.php?page=post&s=list&tags=bonocho", {
"count": 5,
}),
("https://gelbooru.com/index.php?page=post&s=list&tags=meiya_neon", {
"range": "196-204",
"url": "845a61aa1f90fb4ced841e8b7e62098be2e967bf",
"pattern": r"https://img\d\.gelbooru\.com"
r"/images/../../[0-9a-f]{32}\.jpg",
"count": 9,
}),
)
class GelbooruPoolExtractor(GelbooruBase,
gelbooru_v02.GelbooruV02PoolExtractor):
"""Extractor for gelbooru pools"""
per_page = 45
pattern = BASE_PATTERN + r"page=pool&s=show&id=(\d+)"
test = (
("https://gelbooru.com/index.php?page=pool&s=show&id=761", {
"count": 6,
}),
)
skip = GelbooruBase._skip_offset
def metadata(self):
url = self.root + "/index.php"
self._params = {
"page": "pool",
"s" : "show",
"id" : self.pool_id,
}
page = self.request(url, params=self._params).text
name, pos = text.extract(page, "<h3>Now Viewing: ", "</h3>")
if not name:
raise exception.NotFoundError("pool")
return {
"pool": text.parse_int(self.pool_id),
"pool_name": text.unescape(name),
}
def posts(self):
return self._pagination_html(self._params)
class GelbooruFavoriteExtractor(GelbooruBase,
gelbooru_v02.GelbooruV02FavoriteExtractor):
"""Extractor for gelbooru favorites"""
per_page = 100
pattern = BASE_PATTERN + r"page=favorites&s=view&id=(\d+)"
test = ("https://gelbooru.com/index.php?page=favorites&s=view&id=279415", {
"count": 3,
})
skip = GelbooruBase._skip_offset
def posts(self):
# get number of favorites
params = {
"s" : "favorite",
"id" : self.favorite_id,
"limit": "1",
}
count = self._api_request(params, "@attributes")[0]["count"]
if count <= self.offset:
return
pnum, last = divmod(count + 1, self.per_page)
if self.offset >= last:
self.offset -= last
diff, self.offset = divmod(self.offset, self.per_page)
pnum -= diff + 1
skip = self.offset
# paginate over them in reverse
params["pid"] = pnum
params["limit"] = self.per_page
while True:
favs = self._api_request(params, "favorite")
favs.reverse()
if skip:
favs = favs[skip:]
skip = 0
for fav in favs:
yield from self._api_request({"id": fav["favorite"]})
params["pid"] -= 1
if params["pid"] < 0:
return
class GelbooruPostExtractor(GelbooruBase,
gelbooru_v02.GelbooruV02PostExtractor):
"""Extractor for single images from gelbooru.com"""
pattern = (BASE_PATTERN +
r"(?=(?:[^#]+&)?page=post(?:&|#|$))"
r"(?=(?:[^#]+&)?s=view(?:&|#|$))"
r"(?:[^#]+&)?id=(\d+)")
test = (
("https://gelbooru.com/index.php?page=post&s=view&id=313638", {
"content": "5e255713cbf0a8e0801dc423563c34d896bb9229",
"count": 1,
}),
("https://gelbooru.com/index.php?page=post&s=view&id=313638"),
("https://gelbooru.com/index.php?s=view&page=post&id=313638"),
("https://gelbooru.com/index.php?page=post&id=313638&s=view"),
("https://gelbooru.com/index.php?s=view&id=313638&page=post"),
("https://gelbooru.com/index.php?id=313638&page=post&s=view"),
("https://gelbooru.com/index.php?id=313638&s=view&page=post"),
("https://gelbooru.com/index.php?page=post&s=view&id=6018318", {
"options": (("tags", True),),
"content": "977caf22f27c72a5d07ea4d4d9719acdab810991",
"keyword": {
"tags_artist": "kirisaki_shuusei",
"tags_character": str,
"tags_copyright": "vocaloid",
"tags_general": str,
"tags_metadata": str,
},
}),
# video
("https://gelbooru.com/index.php?page=post&s=view&id=5938076", {
"content": "6360452fa8c2f0c1137749e81471238564df832a",
"pattern": r"https://img\d\.gelbooru\.com/images"
r"/22/61/226111273615049235b001b381707bd0\.webm",
}),
# notes
("https://gelbooru.com/index.php?page=post&s=view&id=5997331", {
"options": (("notes", True),),
"keyword": {
"notes": [
{
"body": "Look over this way when you talk~",
"height": 553,
"width": 246,
"x": 35,
"y": 72,
},
{
"body": "Hey~\nAre you listening~?",
"height": 557,
"width": 246,
"x": 1233,
"y": 109,
},
],
},
}),
)
class GelbooruRedirectExtractor(GelbooruBase, Extractor):
subcategory = "redirect"
pattern = (r"(?:https?://)?(?:www\.)?gelbooru\.com"
r"/redirect\.php\?s=([^&#]+)")
test = (("https://gelbooru.com/redirect.php?s=Ly9nZWxib29ydS5jb20vaW5kZXgu"
"cGhwP3BhZ2U9cG9zdCZzPXZpZXcmaWQ9MTgzMDA0Ng=="), {
"pattern": r"https://gelbooru.com/index.php"
r"\?page=post&s=view&id=1830046"
})
def __init__(self, match):
Extractor.__init__(self, match)
self.redirect_url = text.ensure_http_scheme(
binascii.a2b_base64(match.group(1)).decode())
def items(self):
data = {"_extractor": GelbooruPostExtractor}
yield Message.Queue, self.redirect_url, data