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# -*- coding: utf-8 -*-
# Copyright 2024-2025 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, exception
from ..cache import cache
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 = {
None: "general",
0 : "general",
1 : "general",
2 : "copyright",
4 : "character",
8 : "artist",
}
FORMATS = {
"10" : "pic.jpg",
"100": "mov.mp4",
"101": "mov720.mp4",
"102": "mov480.mp4",
}
def _init(self):
if formats := self.config("format"):
if isinstance(formats, str):
formats = formats.split(",")
self.formats = formats
else:
self.formats = ("100", "101", "102", "10")
def _file_url(self, post):
files = post["files"]
for fmt in self.formats:
if fmt in files:
extension = self.FORMATS.get(fmt)
break
else:
self.log.warning("%s: Requested format not available", post["id"])
fmt = next(iter(files))
post_id = post["id"]
root = self.root_cdn if files[fmt][0] else self.root
post["file_url"] = url = \
f"{root}/posts/{post_id // 1000}/{post_id}/{post_id}.{extension}"
post["format_id"] = fmt
post["format"] = extension.partition(".")[0]
return url
def _prepare(self, post):
post.pop("files", None)
post["date"] = self.parse_datetime_iso(post["created"])
post["filename"], _, post["format"] = post["filename"].rpartition(".")
if "tags" in post:
post["tags"] = [t["value"] for t in post["tags"]]
def _tags(self, post, _):
if "tags" not in post:
post.update(self._fetch_post(post["id"]))
tags = collections.defaultdict(list)
for tag in post["tags"]:
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 = f"{self.root}/api/v2/post/{post_id}"
return self.request_json(url)
def _pagination(self, endpoint, params=None):
url = f"{self.root}/api{endpoint}"
if params is None:
params = {}
params["Skip"] = self.page_start * self.per_page
params["take"] = self.per_page
params["CountTotal"] = False
params["IncludeLinks"] = True
params["OrderBy"] = 0
threshold = self.per_page
while True:
data = self.request_json(url, method="POST", json=params)
yield from data["items"]
if len(data["items"]) < threshold:
return
params["Skip"] += self.per_page
params["cursor"] = data["cursor"]
def login(self):
username, password = self._get_auth_info()
if username:
self.session.headers["Authorization"] = \
self._login_impl(username, password)
@cache(maxage=3650*86400, keyarg=1)
def _login_impl(self, username, password):
self.log.info("Logging in as %s", username)
url = f"{self.root}/api/v2/auth/signin"
data = {"email": username, "password": password}
response = self.request_json(
url, method="POST", json=data, fatal=False)
if jwt := response.get("jwt"):
return f"Bearer {jwt}"
raise exception.AuthenticationError(
(msg := response.get("message")) and f'"{msg}"')
class Rule34xyzPostExtractor(Rule34xyzExtractor):
subcategory = "post"
archive_fmt = "{id}"
pattern = rf"{BASE_PATTERN}/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 = rf"{BASE_PATTERN}/playlists/view/(\d+)"
example = "https://rule34.xyz/playlists/view/12345"
def metadata(self):
return {"playlist_id": self.groups[0]}
def posts(self):
endpoint = "/v2/post/search/playlist/" + self.groups[0]
return self._pagination(endpoint)
class Rule34xyzTagExtractor(Rule34xyzExtractor):
subcategory = "tag"
directory_fmt = ("{category}", "{search_tags}")
archive_fmt = "t_{search_tags}_{id}"
pattern = rf"{BASE_PATTERN}/([^/?#]+)$"
example = "https://rule34.xyz/TAG"
def metadata(self):
self.tags = text.unquote(text.unquote(
self.groups[0]).replace("_", " ")).split("|")
return {"search_tags": ", ".join(self.tags)}
def posts(self):
endpoint = "/v2/post/search/root"
params = {"includeTags": self.tags}
return self._pagination(endpoint, params)
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