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gallery-dl/gallery_dl/extractor/rule34xyz.py
2024-11-05 15:45:52 +01:00

144 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2024 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://rule34.xyz/"""
from .booru import BooruExtractor
from .. import text
import collections
BASE_PATTERN = r"(?:https?://)?rule34\.xyz"
class Rule34xyzExtractor(BooruExtractor):
category = "rule34xyz"
root = "https://rule34.xyz"
root_cdn = "https://rule34xyz.b-cdn.net"
filename_fmt = "{category}_{id}.{extension}"
per_page = 60
TAG_TYPES = {
0: "general",
1: "copyright",
2: "character",
3: "artist",
}
def _init(self):
formats = self.config("format")
if formats:
if isinstance(formats, str):
formats = formats.split(",")
self.formats = formats
else:
self.formats = ("10", "40", "41", "2")
def _file_url(self, post):
post["files"] = files = {
str(link["type"]): link["url"]
for link in post.pop("imageLinks")
}
for fmt in self.formats:
if fmt in files:
break
else:
fmt = "2"
self.log.warning("%s: Requested format not available", post["id"])
post["file_url"] = url = files[fmt]
post["format_id"] = fmt
post["format"] = url.rsplit(".", 2)[1]
return url
def _prepare(self, post):
post.pop("filesPreview", None)
post.pop("tagsWithType", None)
post["date"] = text.parse_datetime(
post["created"], "%Y-%m-%dT%H:%M:%S.%f")
def _tags(self, post, _):
if post.get("tagsWithType") is None:
post.update(self._fetch_post(post["id"]))
tags = collections.defaultdict(list)
for tag in post["tagsWithType"]:
tags[tag["type"]].append(tag["value"])
types = self.TAG_TYPES
for type, values in tags.items():
post["tags_" + types[type]] = values
def _fetch_post(self, post_id):
url = "{}/api/post/{}".format(self.root, post_id)
return self.request(url).json()
def _pagination(self, endpoint, params=None):
url = "{}/api{}".format(self.root, endpoint)
if params is None:
params = {}
params["IncludeLinks"] = "true"
params["IncludeTags"] = "true"
params["OrderBy"] = "0"
params["Skip"] = self.page_start * self.per_page
params["Take"] = self.per_page
params["DisableTotal"] = "true"
threshold = self.per_page
while True:
data = self.request(url, params=params).json()
yield from data["items"]
if len(data["items"]) < threshold:
return
params["Skip"] += params["Take"]
class Rule34xyzPostExtractor(Rule34xyzExtractor):
subcategory = "post"
archive_fmt = "{id}"
pattern = BASE_PATTERN + r"/post/(\d+)"
example = "https://rule34.xyz/post/12345"
def posts(self):
return (self._fetch_post(self.groups[0]),)
class Rule34xyzPlaylistExtractor(Rule34xyzExtractor):
subcategory = "playlist"
directory_fmt = ("{category}", "{playlist_id}")
archive_fmt = "p_{playlist_id}_{id}"
pattern = BASE_PATTERN + r"/playlists/view/(\d+)"
example = "https://rule34.xyz/playlists/view/12345"
def metadata(self):
return {"playlist_id": self.groups[0]}
def posts(self):
endpoint = "/playlist-item"
params = {"PlaylistId": self.groups[0]}
return self._pagination(endpoint, params)
class Rule34xyzTagExtractor(Rule34xyzExtractor):
subcategory = "tag"
directory_fmt = ("{category}", "{search_tags}")
archive_fmt = "t_{search_tags}_{id}"
pattern = BASE_PATTERN + r"/([^/?#]+)$"
example = "https://rule34.xyz/TAG"
def metadata(self):
self.tags = text.unquote(self.groups[0]).replace("_", " ")
return {"search_tags": self.tags}
def posts(self):
endpoint = "/post/search"
params = {"Tag": self.tags}
return self._pagination(endpoint, params)