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# -*- 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://e621.net/ and other e621 instances"""
from .common import Message
from . import danbooru
from ..cache import memcache
from .. import text, util
class E621Extractor(danbooru.DanbooruExtractor):
"""Base class for e621 extractors"""
basecategory = "E621"
page_limit = 750
page_start = None
per_page = 320
request_interval_min = 1.0
def items(self):
self.session.headers["User-Agent"] = util.USERAGENT + " (by mikf)"
includes = self.config("metadata") or ()
if includes:
if isinstance(includes, str):
includes = includes.split(",")
elif not isinstance(includes, (list, tuple)):
includes = ("notes", "pools")
notes = ("notes" in includes)
pools = ("pools" in includes)
data = self.metadata()
for post in self.posts():
file = post["file"]
if not file["url"]:
md5 = file["md5"]
file["url"] = "https://static1.{}/data/{}/{}/{}.{}".format(
self.root[8:], md5[0:2], md5[2:4], md5, file["ext"])
if notes and post.get("has_notes"):
post["notes"] = self._get_notes(post["id"])
if pools and post["pools"]:
post["pools"] = self._get_pools(
",".join(map(str, post["pools"])))
post["filename"] = file["md5"]
post["extension"] = file["ext"]
post["date"] = text.parse_datetime(
post["created_at"], "%Y-%m-%dT%H:%M:%S.%f%z")
post.update(data)
yield Message.Directory, post
yield Message.Url, file["url"], post
def _get_notes(self, id):
return self.request(
"{}/notes.json?search[post_id]={}".format(self.root, id)).json()
@memcache(keyarg=1)
def _get_pools(self, ids):
pools = self.request(
"{}/pools.json?search[id]={}".format(self.root, ids)).json()
for pool in pools:
pool["name"] = pool["name"].replace("_", " ")
return pools
BASE_PATTERN = E621Extractor.update({
"e621": {
"root": "https://e621.net",
"pattern": r"e621\.net",
},
"e926": {
"root": "https://e926.net",
"pattern": r"e926\.net",
},
"e6ai": {
"root": "https://e6ai.net",
"pattern": r"e6ai\.net",
},
})
class E621TagExtractor(E621Extractor, danbooru.DanbooruTagExtractor):
"""Extractor for e621 posts from tag searches"""
pattern = BASE_PATTERN + r"/posts?(?:\?.*?tags=|/index/\d+/)([^&#]+)"
example = "https://e621.net/posts?tags=TAG"
class E621PoolExtractor(E621Extractor, danbooru.DanbooruPoolExtractor):
"""Extractor for e621 pools"""
pattern = BASE_PATTERN + r"/pool(?:s|/show)/(\d+)"
example = "https://e621.net/pools/12345"
def posts(self):
self.log.info("Fetching posts of pool %s", self.pool_id)
id_to_post = {
post["id"]: post
for post in self._pagination(
"/posts.json", {"tags": "pool:" + self.pool_id})
}
posts = []
append = posts.append
for num, pid in enumerate(self.post_ids, 1):
if pid in id_to_post:
post = id_to_post[pid]
post["num"] = num
append(post)
else:
self.log.warning("Post %s is unavailable", pid)
return posts
class E621PostExtractor(E621Extractor, danbooru.DanbooruPostExtractor):
"""Extractor for single e621 posts"""
pattern = BASE_PATTERN + r"/post(?:s|/show)/(\d+)"
example = "https://e621.net/posts/12345"
def posts(self):
url = "{}/posts/{}.json".format(self.root, self.post_id)
return (self.request(url).json()["post"],)
class E621PopularExtractor(E621Extractor, danbooru.DanbooruPopularExtractor):
"""Extractor for popular images from e621"""
pattern = BASE_PATTERN + r"/explore/posts/popular(?:\?([^#]*))?"
example = "https://e621.net/explore/posts/popular"
def posts(self):
return self._pagination("/popular.json", self.params)
class E621FavoriteExtractor(E621Extractor):
"""Extractor for e621 favorites"""
subcategory = "favorite"
directory_fmt = ("{category}", "Favorites", "{user_id}")
archive_fmt = "f_{user_id}_{id}"
pattern = BASE_PATTERN + r"/favorites(?:\?([^#]*))?"
example = "https://e621.net/favorites"
def __init__(self, match):
E621Extractor.__init__(self, match)
self.query = text.parse_query(match.group(match.lastindex))
def metadata(self):
return {"user_id": self.query.get("user_id", "")}
def posts(self):
return self._pagination("/favorites.json", self.query)
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