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gallery-dl/gallery_dl/extractor/gelbooru.py
Mike Fährmann 6284731107
simplify extractor constants
- single strings for URL patterns
- tuples instead of lists for 'directory_fmt' and 'test'
- single-tuple tests where applicable
2019-02-08 13:45:40 +01:00

131 lines
4.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2019 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.
"""Extract images from https://gelbooru.com/"""
from . import booru
from .common import Message
from .. import text, util
class GelbooruExtractor(booru.XmlParserMixin,
booru.GelbooruPageMixin,
booru.BooruExtractor):
"""Base class for gelbooru extractors"""
category = "gelbooru"
api_url = "https://gelbooru.com/index.php"
post_url = "https://gelbooru.com/index.php?page=post&s=view&id={}"
pool_url = "https://gelbooru.com/index.php?page=pool&s=show&id={}"
def __init__(self, match):
super().__init__(match)
self.use_api = self.config("api", True)
if self.use_api:
self.params.update({"page": "dapi", "s": "post", "q": "index"})
else:
self.items = self.items_noapi
def items_noapi(self):
data = self.get_metadata()
yield Message.Version, 1
yield Message.Directory, data
for post in self.get_posts():
post = self.get_post_data(post)
url = post["file_url"]
post.update(data)
yield Message.Url, url, text.nameext_from_url(url, post)
def get_posts(self):
"""Return an iterable containing all relevant post objects"""
def get_post_data(self, post_id):
"""Extract metadata of a single post"""
page = self.request(self.post_url.format(post_id)).text
data = text.extract_all(page, (
(None , '<meta name="keywords"', ''),
("tags" , ' imageboard, ', '"'),
("id" , '<li>Id: ', '<'),
("created_at", '<li>Posted: ', '<'),
("width" , '<li>Size: ', 'x'),
("height" , '', '<'),
("source" , '<li>Source: <a href="', '"'),
("rating" , '<li>Rating: ', '<'),
(None , '<li>Score: ', ''),
("score" , '>', '<'),
("file_url" , '<li><a href="http', '"'),
("change" , ' id="lupdated" value="', '"'),
))[0]
data["file_url"] = "http" + data["file_url"].replace("m//", "m/", 1)
data["md5"] = data["file_url"].rpartition("/")[2].partition(".")[0]
data["rating"] = (data["rating"] or "?")[0].lower()
data["tags"] = " ".join(
[tag.replace(" ", "_") for tag in data["tags"].split(", ")])
if self.extags:
self.extended_tags(data, page)
return data
class GelbooruTagExtractor(booru.TagMixin, GelbooruExtractor):
"""Extractor for images from gelbooru.com based on search-tags"""
pattern = (r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?"
r"\?page=post&s=list&tags=(?P<tags>[^&#]+)")
test = (
("https://gelbooru.com/index.php?page=post&s=list&tags=bonocho", {
"count": 5,
}),
("https://gelbooru.com/index.php?page=post&s=list&tags=bonocho", {
"options": (("api", False),),
"count": 5,
}),
)
def __init__(self, match):
super().__init__(match)
if not self.use_api:
self.per_page = 42
def get_posts(self):
url = "https://gelbooru.com/index.php?page=post&s=list"
params = {"tags": self.tags, "pid": self.page_start * self.per_page}
while True:
page = self.request(url, params=params).text
ids = list(text.extract_iter(page, '<a id="p', '"'))
yield from ids
if len(ids) < self.per_page:
return
params["pid"] += self.per_page
class GelbooruPoolExtractor(booru.GelbooruPoolMixin, GelbooruExtractor):
"""Extractor for image-pools from gelbooru.com"""
pattern = (r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?"
r"\?page=pool&s=show&id=(?P<pool>\d+)")
test = ("https://gelbooru.com/index.php?page=pool&s=show&id=761", {
"count": 6,
})
def get_posts(self):
return util.advance(self.posts, self.page_start)
class GelbooruPostExtractor(booru.PostMixin, GelbooruExtractor):
"""Extractor for single images from gelbooru.com"""
pattern = (r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?"
r"\?page=post&s=view&id=(?P<post>\d+)")
test = ("https://gelbooru.com/index.php?page=post&s=view&id=313638", {
"content": "5e255713cbf0a8e0801dc423563c34d896bb9229",
"count": 1,
})
def get_posts(self):
return (self.post,)