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gallery-dl/gallery_dl/extractor/moebooru.py
Mike Fährmann 78061658ea
[booru] reduce exceptions caught during _prepare_post()
don't catch HttpErrors etc.
2020-12-21 02:05:59 +01:00

249 lines
8.3 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 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 Moebooru based sites"""
from .common import generate_extractors
from .booru import BooruExtractor
from .. import text
import collections
import datetime
import re
class MoebooruExtractor(BooruExtractor):
"""Base class for Moebooru extractors"""
basecategory = "moebooru"
filename_fmt = "{category}_{id}_{md5}.{extension}"
page_start = 1
def _prepare_post(self, post, extended_tags=False):
url = post["file_url"]
if extended_tags:
self._fetch_extended_tags(post)
post["date"] = text.parse_timestamp(post["created_at"])
return url
def _fetch_extended_tags(self, post):
url = "{}/post/show/{}".format(self.root, post["id"])
page = self.request(url).text
html = text.extract(page, '<ul id="tag-', '</ul>')[0]
if html:
tags = collections.defaultdict(list)
pattern = re.compile(r"tag-type-([^\"' ]+).*?[?;]tags=([^\"']+)")
for tag_type, tag_name in pattern.findall(html):
tags[tag_type].append(text.unquote(tag_name))
for key, value in tags.items():
post["tags_" + key] = " ".join(value)
def _pagination(self, url, params):
params["page"] = self.page_start
params["limit"] = self.per_page
while True:
posts = self.request(url, params=params).json()
yield from posts
if len(posts) < self.per_page:
return
params["page"] += 1
class MoebooruTagExtractor(MoebooruExtractor):
subcategory = "tag"
directory_fmt = ("{category}", "{search_tags}")
archive_fmt = "t_{search_tags}_{id}"
pattern_fmt = r"/post\?(?:[^&#]*&)*tags=([^&#]+)"
def __init__(self, match):
MoebooruExtractor.__init__(self, match)
self.tags = text.unquote(match.group(1).replace("+", " "))
def metadata(self):
return {"search_tags": self.tags}
def posts(self):
params = {"tags": self.tags}
return self._pagination(self.root + "/post.json", params)
class MoebooruPoolExtractor(MoebooruExtractor):
subcategory = "pool"
directory_fmt = ("{category}", "pool", "{pool}")
archive_fmt = "p_{pool}_{id}"
pattern_fmt = r"/pool/show/(\d+)"
def __init__(self, match):
MoebooruExtractor.__init__(self, match)
self.pool_id = match.group(1)
def metadata(self):
return {"pool": text.parse_int(self.pool_id)}
def posts(self):
params = {"tags": "pool:" + self.pool_id}
return self._pagination(self.root + "/post.json", params)
class MoebooruPostExtractor(MoebooruExtractor):
subcategory = "post"
archive_fmt = "{id}"
pattern_fmt = r"/post/show/(\d+)"
def __init__(self, match):
MoebooruExtractor.__init__(self, match)
self.post_id = match.group(1)
def posts(self):
params = {"tags": "id:" + self.post_id}
return self.request(self.root + "/post.json", params=params).json()
class MoebooruPopularExtractor(MoebooruExtractor):
subcategory = "popular"
directory_fmt = ("{category}", "popular", "{scale}", "{date}")
archive_fmt = "P_{scale[0]}_{date}_{id}"
pattern_fmt = r"/post/popular_(by_(?:day|week|month)|recent)(?:\?([^#]*))?"
def __init__(self, match):
MoebooruExtractor.__init__(self, match)
self.scale, self.query = match.groups()
def metadata(self):
self.params = params = text.parse_query(self.query)
if "year" in params:
date = "{:>04}-{:>02}-{:>02}".format(
params["year"],
params.get("month", "01"),
params.get("day", "01"),
)
else:
date = datetime.date.today().isoformat()
scale = self.scale
if scale.startswith("by_"):
scale = scale[3:]
if scale == "week":
date = datetime.date.fromisoformat(date)
date = (date - datetime.timedelta(days=date.weekday())).isoformat()
elif scale == "month":
date = date[:-3]
return {"date": date, "scale": scale}
def posts(self):
url = "{}/post/popular_{}.json".format(self.root, self.scale)
return self.request(url, params=self.params).json()
EXTRACTORS = {
"yandere": {
"root": "https://yande.re",
"test-tag": ("https://yande.re/post?tags=ouzoku+armor", {
"content": "59201811c728096b2d95ce6896fd0009235fe683",
}),
"test-pool": ("https://yande.re/pool/show/318", {
"content": "2a35b9d6edecce11cc2918c6dce4de2198342b68",
}),
"test-post": ("https://yande.re/post/show/51824", {
"content": "59201811c728096b2d95ce6896fd0009235fe683",
"options": (("tags", True),),
"keyword": {
"tags_artist": "sasaki_tamaru",
"tags_circle": "softhouse_chara",
"tags_copyright": "ouzoku",
"tags_general": str,
},
}),
"test-popular": (
("https://yande.re/post/popular_by_month?month=6&year=2014", {
"count": 40,
}),
("https://yande.re/post/popular_recent"),
),
},
"konachan": {
"root": "https://konachan.com",
"pattern": r"konachan\.(?:com|net)",
"test-tag": (
("https://konachan.com/post?tags=patata", {
"content": "838cfb815e31f48160855435655ddf7bfc4ecb8d",
}),
("https://konachan.net/post?tags=patata"),
),
"test-pool": (
("https://konachan.com/pool/show/95", {
"content": "cf0546e38a93c2c510a478f8744e60687b7a8426",
}),
("https://konachan.net/pool/show/95"),
),
"test-post": (
("https://konachan.com/post/show/205189", {
"content": "674e75a753df82f5ad80803f575818b8e46e4b65",
"options": (("tags", True),),
"keyword": {
"tags_artist": "patata",
"tags_character": "clownpiece",
"tags_copyright": "touhou",
"tags_general": str,
},
}),
("https://konachan.net/post/show/205189"),
),
"test-popular": (
("https://konachan.com/post/popular_by_month?month=11&year=2010", {
"count": 20,
}),
("https://konachan.com/post/popular_recent"),
("https://konachan.net/post/popular_recent"),
),
},
"hypnohub": {
"root": "https://hypnohub.net",
"test-tag": ("https://hypnohub.net/post?tags=gonoike_biwa", {
"url": "072330c34a1e773d0cafd00e64b8060d34b078b6",
}),
"test-pool": ("https://hypnohub.net/pool/show/61", {
"url": "fd74991c8729e77acd3c35eb6ddc4128ff445adf",
}),
"test-post": ("https://hypnohub.net/post/show/73964", {
"content": "02d5f5a8396b621a6efc04c5f8ef1b7225dfc6ee",
}),
"test-popular": (
("https://hypnohub.net/post/popular_by_month?month=6&year=2014", {
"count": 20,
}),
("https://hypnohub.net/post/popular_recent"),
),
},
"lolibooru": {
"root": "https://lolibooru.moe",
"test-tag" : ("https://lolibooru.moe/post?tags=ruu_%28tksymkw%29",),
"test-pool" : ("https://lolibooru.moe/pool/show/239",),
"test-post" : ("https://lolibooru.moe/post/show/287835",),
"test-popular": ("https://lolibooru.moe/post/popular_recent",),
},
"sakugabooru": {
"root": "https://www.sakugabooru.com",
"pattern": r"(?:www\.)?sakugabooru\.com",
"test-tag" : ("https://www.sakugabooru.com/post?tags=nichijou",),
"test-pool" : ("https://www.sakugabooru.com/pool/show/54",),
"test-post" : ("https://www.sakugabooru.com/post/show/125570",),
"test-popular": ("https://www.sakugabooru.com/post/popular_recent",),
},
}
generate_extractors(EXTRACTORS, globals(), (
MoebooruTagExtractor,
MoebooruPoolExtractor,
MoebooruPostExtractor,
MoebooruPopularExtractor,
))