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gallery-dl/gallery_dl/extractor/e621.py
Mike Fährmann ad2efa8509
[e621] derive from Danbooru extractors (#651)
- use extractor implementations from 'danbooru'
- use "page": "b[ID]" to paginate over results instead of
  "tags": "id:<[ID]", avoiding infinite loops with certain
  post orders
- bump User-Agent version
2020-03-22 21:08:45 +01:00

109 lines
3.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2020 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/"""
from .common import Extractor, Message
from . import danbooru
import time
BASE_PATTERN = r"(?:https?://)?e(621|926)\.net"
class E621Extractor(danbooru.DanbooruExtractor):
"""Base class for e621 extractors"""
category = "e621"
filename_fmt = "{category}_{id}_{file[md5]}.{extension}"
page_limit = 750
page_start = None
per_page = 320
_last_request = 0
def __init__(self, match):
super().__init__(match)
self.root = "https://e{}.net".format(match.group(1))
def request(self, url, **kwargs):
diff = time.time() - E621Extractor._last_request
if diff < 1.0:
delay = 1.0 - diff
self.log.debug("Sleeping for %s seconds", delay)
time.sleep(delay)
kwargs["headers"] = {"User-Agent": "gallery-dl/1.14.0 (by mikf)"}
response = Extractor.request(self, url, **kwargs)
E621Extractor._last_request = time.time()
return response
def items(self):
data = self.metadata()
for post in self.posts():
file = post["file"]
if not file["url"]:
ihash = file["md5"]
file["url"] = "https://static1.{}/data/{}/{}/{}.{}".format(
self.root[8:], ihash[0:2], ihash[2:4], ihash, file["ext"])
post["filename"] = file["md5"]
post["extension"] = file["ext"]
post.update(data)
yield Message.Directory, post
yield Message.Url, file["url"], post
class E621TagExtractor(E621Extractor, danbooru.DanbooruTagExtractor):
"""Extractor for e621 posts from tag searches"""
pattern = BASE_PATTERN + r"/posts?(?:\?.*?tags=|/index/\d+/)([^&#]+)"
test = (
("https://e621.net/posts?tags=anry", {
"url": "8021e5ea28d47c474c1ffc9bd44863c4d45700ba",
"content": "501d1e5d922da20ee8ff9806f5ed3ce3a684fd58",
}),
("https://e926.net/posts?tags=anry"),
("https://e621.net/post/index/1/anry"),
("https://e621.net/post?tags=anry"),
)
class E621PoolExtractor(E621Extractor, danbooru.DanbooruPoolExtractor):
"""Extractor for e621 pools"""
pattern = BASE_PATTERN + r"/pool(?:s|/show)/(\d+)"
test = (
("https://e621.net/pools/73", {
"url": "842f2fb065c7c339486a9b1d689020b8569888ed",
"content": "c2c87b7a9150509496cddc75ccab08109922876a",
}),
("https://e621.net/pool/show/73"),
)
class E621PostExtractor(E621Extractor, danbooru.DanbooruPostExtractor):
"""Extractor for single e621 posts"""
pattern = BASE_PATTERN + r"/post(?:s|/show)/(\d+)"
test = (
("https://e621.net/posts/535", {
"url": "f7f78b44c9b88f8f09caac080adc8d6d9fdaa529",
"content": "66f46e96a893fba8e694c4e049b23c2acc9af462",
}),
("https://e621.net/post/show/535"),
)
class E621PopularExtractor(E621Extractor, danbooru.DanbooruPopularExtractor):
"""Extractor for popular images from e621"""
pattern = BASE_PATTERN + r"/explore/posts/popular(?:\?([^#]*))?"
test = (
("https://e621.net/explore/posts/popular"),
(("https://e621.net/explore/posts/popular"
"?date=2019-06-01&scale=month"), {
"pattern": r"https://static\d.e621.net/data/../../[0-9a-f]+",
"count": ">= 70",
})
)