mirror of
https://github.com/mikf/gallery-dl.git
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57854624a1
Check for a 'text/html' Content-Type instead of the very specific 137 bytes Content-Length, which might change depending on compression or other factors.
505 lines
18 KiB
Python
505 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2021 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Extractors for https://e-hentai.org/ and https://exhentai.org/"""
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from .common import Extractor, Message
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from .. import text, util, exception
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from ..cache import cache
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import itertools
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import math
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BASE_PATTERN = r"(?:https?://)?(e[x-]|g\.e-)hentai\.org"
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class ExhentaiExtractor(Extractor):
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"""Base class for exhentai extractors"""
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category = "exhentai"
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directory_fmt = ("{category}", "{gid} {title[:247]}")
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filename_fmt = (
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"{gid}_{num:>04}_{image_token}_{filename}.{extension}")
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archive_fmt = "{gid}_{num}"
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cookienames = ("ipb_member_id", "ipb_pass_hash")
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cookiedomain = ".exhentai.org"
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root = "https://exhentai.org"
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request_interval = 5.0
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LIMIT = False
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def __init__(self, match):
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# allow calling 'self.config()' before 'Extractor.__init__()'
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self._cfgpath = ("extractor", self.category, self.subcategory)
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version = match.group(1)
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domain = self.config("domain", "auto")
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if domain == "auto":
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domain = ("ex" if version == "ex" else "e-") + "hentai.org"
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self.root = "https://" + domain
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self.cookiedomain = "." + domain
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Extractor.__init__(self, match)
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self.original = self.config("original", True)
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limits = self.config("limits", False)
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if limits and limits.__class__ is int:
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self.limits = limits
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self._remaining = 0
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else:
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self.limits = False
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self.session.headers["Referer"] = self.root + "/"
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if version != "ex":
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self.session.cookies.set("nw", "1", domain=self.cookiedomain)
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def request(self, *args, **kwargs):
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response = Extractor.request(self, *args, **kwargs)
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if self._is_sadpanda(response):
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self.log.info("sadpanda.jpg")
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raise exception.AuthorizationError()
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return response
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def login(self):
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"""Login and set necessary cookies"""
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if self.LIMIT:
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raise exception.StopExtraction("Image limit reached!")
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if self._check_cookies(self.cookienames):
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return
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username, password = self._get_auth_info()
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if username:
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self._update_cookies(self._login_impl(username, password))
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else:
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self.log.info("no username given; using e-hentai.org")
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self.root = "https://e-hentai.org"
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self.original = False
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self.limits = False
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self.session.cookies["nw"] = "1"
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@cache(maxage=90*24*3600, keyarg=1)
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def _login_impl(self, username, password):
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self.log.info("Logging in as %s", username)
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url = "https://forums.e-hentai.org/index.php?act=Login&CODE=01"
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headers = {
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"Referer": "https://e-hentai.org/bounce_login.php?b=d&bt=1-1",
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}
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data = {
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"CookieDate": "1",
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"b": "d",
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"bt": "1-1",
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"UserName": username,
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"PassWord": password,
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"ipb_login_submit": "Login!",
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}
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response = self.request(url, method="POST", headers=headers, data=data)
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if b"You are now logged in as:" not in response.content:
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raise exception.AuthenticationError()
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return {c: response.cookies[c] for c in self.cookienames}
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@staticmethod
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def _is_sadpanda(response):
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"""Return True if the response object contains a sad panda"""
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return (
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response.headers.get("Content-Length") == "9615" and
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"sadpanda.jpg" in response.headers.get("Content-Disposition", "")
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)
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class ExhentaiGalleryExtractor(ExhentaiExtractor):
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"""Extractor for image galleries from exhentai.org"""
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subcategory = "gallery"
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pattern = (BASE_PATTERN +
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r"(?:/g/(\d+)/([\da-f]{10})"
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r"|/s/([\da-f]{10})/(\d+)-(\d+))")
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test = (
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("https://exhentai.org/g/1200119/d55c44d3d0/", {
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"keyword": {
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"cost": int,
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"date": "dt:2018-03-18 20:15:00",
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"eh_category": "Non-H",
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"expunged": False,
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"favorites": "18",
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"filecount": "4",
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"filesize": 1488978,
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"gid": 1200119,
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"height": int,
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"image_token": "re:[0-9a-f]{10}",
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"lang": "ja",
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"language": "Japanese",
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"parent": "",
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"rating": r"re:\d\.\d+",
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"size": int,
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"tags": [
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"parody:komi-san wa komyushou desu.",
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"character:shouko komi",
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"group:seventh lowlife",
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"sample",
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],
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"thumb": "https://exhentai.org/t/ce/0a/ce0a5bcb583229a9b07c0f8"
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"3bcb1630ab1350640-624622-736-1036-jpg_250.jpg",
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"title": "C93 [Seventh_Lowlife] Komi-san ha Tokidoki Daitan de"
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"su (Komi-san wa Komyushou desu) [Sample]",
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"title_jpn": "(C93) [Comiketjack (わ！)] 古見さんは、時々大胆"
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"です。 (古見さんは、コミュ症です。) [見本]",
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"token": "d55c44d3d0",
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"torrentcount": "0",
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"uploader": "klorpa",
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"width": int,
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},
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"content": "e9891a4c017ed0bb734cd1efba5cd03f594d31ff",
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}),
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("https://exhentai.org/g/960461/4f0e369d82/", {
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"exception": exception.NotFoundError,
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}),
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("http://exhentai.org/g/962698/7f02358e00/", {
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"exception": exception.AuthorizationError,
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}),
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("https://exhentai.org/s/f68367b4c8/1200119-3", {
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"count": 2,
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}),
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("https://e-hentai.org/s/f68367b4c8/1200119-3", {
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"count": 2,
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}),
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("https://g.e-hentai.org/g/1200119/d55c44d3d0/"),
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)
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def __init__(self, match):
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ExhentaiExtractor.__init__(self, match)
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self.key = {}
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self.count = 0
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self.gallery_id = text.parse_int(match.group(2) or match.group(5))
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self.gallery_token = match.group(3)
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self.image_token = match.group(4)
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self.image_num = text.parse_int(match.group(6), 1)
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def items(self):
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self.login()
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if self.gallery_token:
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gpage = self._gallery_page()
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self.image_token = text.extract(gpage, 'hentai.org/s/', '"')[0]
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if not self.image_token:
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self.log.error("Failed to extract initial image token")
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self.log.debug("Page content:\n%s", gpage)
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return
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ipage = self._image_page()
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else:
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ipage = self._image_page()
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part = text.extract(ipage, 'hentai.org/g/', '"')[0]
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if not part:
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self.log.error("Failed to extract gallery token")
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self.log.debug("Page content:\n%s", ipage)
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return
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self.gallery_token = part.split("/")[1]
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gpage = self._gallery_page()
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data = self.get_metadata(gpage)
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self.count = text.parse_int(data["filecount"])
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yield Message.Directory, data
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def _validate_response(response):
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# declared inside 'items()' to be able to access 'data'
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if not response.history and response.headers.get(
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"content-type", "").startswith("text/html"):
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self._report_limits(data)
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return True
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images = itertools.chain(
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(self.image_from_page(ipage),), self.images_from_api())
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for url, image in images:
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data.update(image)
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if self.limits:
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self._check_limits(data)
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if "/fullimg.php" in url:
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data["extension"] = ""
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data["_http_validate"] = _validate_response
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else:
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data["_http_validate"] = None
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yield Message.Url, url, data
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def get_metadata(self, page):
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"""Extract gallery metadata"""
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data = self.metadata_from_page(page)
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if self.config("metadata", False):
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data.update(self.metadata_from_api())
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data["date"] = text.parse_timestamp(data["posted"])
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return data
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def metadata_from_page(self, page):
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extr = text.extract_from(page)
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data = {
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"gid" : self.gallery_id,
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"token" : self.gallery_token,
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"thumb" : extr("background:transparent url(", ")"),
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"title" : text.unescape(extr('<h1 id="gn">', '</h1>')),
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"title_jpn" : text.unescape(extr('<h1 id="gj">', '</h1>')),
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"_" : extr('<div id="gdc"><div class="cs ct', '"'),
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"eh_category" : extr('>', '<'),
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"uploader" : text.unquote(extr('/uploader/', '"')),
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"date" : text.parse_datetime(extr(
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'>Posted:</td><td class="gdt2">', '</td>'), "%Y-%m-%d %H:%M"),
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"parent" : extr(
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'>Parent:</td><td class="gdt2"><a href="', '"'),
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"expunged" : "Yes" != extr(
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'>Visible:</td><td class="gdt2">', '<'),
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"language" : extr('>Language:</td><td class="gdt2">', ' '),
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"filesize" : text.parse_bytes(extr(
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'>File Size:</td><td class="gdt2">', '<').rstrip("Bb")),
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"filecount" : extr('>Length:</td><td class="gdt2">', ' '),
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"favorites" : extr('id="favcount">', ' '),
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"rating" : extr(">Average: ", "<"),
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"torrentcount" : extr('>Torrent Download (', ')'),
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}
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f = data["favorites"][0]
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if f == "N":
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data["favorites"] = "0"
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elif f == "O":
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data["favorites"] = "1"
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data["lang"] = util.language_to_code(data["language"])
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data["tags"] = [
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text.unquote(tag.replace("+", " "))
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for tag in text.extract_iter(page, 'hentai.org/tag/', '"')
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]
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return data
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def metadata_from_api(self):
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url = self.root + "/api.php"
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data = {
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"method": "gdata",
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"gidlist": ((self.gallery_id, self.gallery_token),),
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"namespace": 1,
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}
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data = self.request(url, method="POST", json=data).json()
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if "error" in data:
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raise exception.StopExtraction(data["error"])
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return data["gmetadata"][0]
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def image_from_page(self, page):
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"""Get image url and data from webpage"""
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pos = page.index('<div id="i3"><a onclick="return load_image(') + 26
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extr = text.extract_from(page, pos)
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self.key["next"] = extr("'", "'")
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iurl = extr('<img id="img" src="', '"')
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orig = extr('hentai.org/fullimg.php', '"')
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try:
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if self.original and orig:
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url = self.root + "/fullimg.php" + text.unescape(orig)
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data = self._parse_original_info(extr('ownload original', '<'))
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else:
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url = iurl
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data = self._parse_image_info(url)
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except IndexError:
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self.log.debug("Page content:\n%s", page)
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raise exception.StopExtraction(
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"Unable to parse image info for '%s'", url)
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data["num"] = self.image_num
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data["image_token"] = self.key["start"] = extr('var startkey="', '";')
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self.key["show"] = extr('var showkey="', '";')
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if iurl.endswith("g/509.gif"):
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self._report_limits(data)
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return url, text.nameext_from_url(iurl, data)
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def images_from_api(self):
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"""Get image url and data from api calls"""
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api_url = self.root + "/api.php"
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nextkey = self.key["next"]
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request = {
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"method" : "showpage",
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"gid" : self.gallery_id,
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"imgkey" : nextkey,
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"showkey": self.key["show"],
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}
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for request["page"] in range(self.image_num + 1, self.count + 1):
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page = self.request(api_url, method="POST", json=request).json()
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imgkey = nextkey
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nextkey, pos = text.extract(page["i3"], "'", "'")
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imgurl , pos = text.extract(page["i3"], 'id="img" src="', '"', pos)
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origurl, pos = text.extract(page["i7"], '<a href="', '"')
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try:
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if self.original and origurl:
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url = text.unescape(origurl)
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data = self._parse_original_info(text.extract(
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page["i7"], "ownload original", "<", pos)[0])
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else:
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url = imgurl
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data = self._parse_image_info(url)
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except IndexError:
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self.log.debug("Page content:\n%s", page)
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raise exception.StopExtraction(
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"Unable to parse image info for '%s'", url)
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data["num"] = request["page"]
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data["image_token"] = imgkey
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if imgurl.endswith("g/509.gif"):
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self._report_limits(data)
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yield url, text.nameext_from_url(imgurl, data)
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request["imgkey"] = nextkey
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def _report_limits(self, data):
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ExhentaiExtractor.LIMIT = True
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raise exception.StopExtraction(
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"Image limit reached! "
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"Continue with '%s/s/%s/%s-%s' as URL after resetting it.",
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self.root, data["image_token"], self.gallery_id, data["num"])
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def _check_limits(self, data):
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if not self._remaining or data["num"] % 25 == 0:
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self._update_limits()
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self._remaining -= data["cost"]
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if self._remaining <= 0:
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self._report_limits(data)
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def _update_limits(self):
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url = "https://e-hentai.org/home.php"
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cookies = {
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cookie.name: cookie.value
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for cookie in self.session.cookies
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if cookie.domain == self.cookiedomain and cookie.name != "igneous"
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}
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page = self.request(url, cookies=cookies).text
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current = text.extract(page, "<strong>", "</strong>")[0]
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self.log.debug("Image Limits: %s/%s", current, self.limits)
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self._remaining = self.limits - text.parse_int(current)
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def _gallery_page(self):
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url = "{}/g/{}/{}/".format(
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self.root, self.gallery_id, self.gallery_token)
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response = self.request(url, fatal=False)
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page = response.text
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if response.status_code == 404 and "Gallery Not Available" in page:
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raise exception.AuthorizationError()
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if page.startswith(("Key missing", "Gallery not found")):
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raise exception.NotFoundError("gallery")
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if "hentai.org/mpv/" in page:
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self.log.warning("Enabled Multi-Page Viewer is not supported")
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return page
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def _image_page(self):
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url = "{}/s/{}/{}-{}".format(
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self.root, self.image_token, self.gallery_id, self.image_num)
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page = self.request(url, fatal=False).text
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if page.startswith(("Invalid page", "Keep trying")):
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raise exception.NotFoundError("image page")
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return page
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@staticmethod
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def _parse_image_info(url):
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for part in url.split("/")[4:]:
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try:
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_, size, width, height, _ = part.split("-")
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break
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except ValueError:
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pass
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else:
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size = width = height = 0
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return {
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"cost" : 1,
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"size" : text.parse_int(size),
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"width" : text.parse_int(width),
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"height": text.parse_int(height),
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}
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@staticmethod
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def _parse_original_info(info):
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parts = info.lstrip().split(" ")
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size = text.parse_bytes(parts[3] + parts[4][0])
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return {
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# 1 initial point + 1 per 0.1 MB
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"cost" : 1 + math.ceil(size / 100000),
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"size" : size,
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"width" : text.parse_int(parts[0]),
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"height": text.parse_int(parts[2]),
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}
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class ExhentaiSearchExtractor(ExhentaiExtractor):
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"""Extractor for exhentai search results"""
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subcategory = "search"
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pattern = BASE_PATTERN + r"/(?:\?([^#]*)|tag/([^/?#]+))"
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test = (
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("https://e-hentai.org/?f_search=touhou"),
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("https://exhentai.org/?f_cats=767&f_search=touhou"),
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("https://exhentai.org/tag/parody:touhou+project"),
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(("https://exhentai.org/?f_doujinshi=0&f_manga=0&f_artistcg=0"
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"&f_gamecg=0&f_western=0&f_non-h=1&f_imageset=0&f_cosplay=0"
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"&f_asianporn=0&f_misc=0&f_search=touhou&f_apply=Apply+Filter"), {
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"pattern": ExhentaiGalleryExtractor.pattern,
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"range": "1-30",
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"count": 30,
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}),
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)
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def __init__(self, match):
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ExhentaiExtractor.__init__(self, match)
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self.search_url = self.root
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_, query, tag = match.groups()
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if tag:
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if "+" in tag:
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ns, _, tag = tag.rpartition(":")
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tag = '{}:"{}$"'.format(ns, tag.replace("+", " "))
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else:
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tag += "$"
|
|
self.params = {"f_search": tag, "page": 0}
|
|
else:
|
|
self.params = text.parse_query(query)
|
|
self.params["page"] = text.parse_int(self.params.get("page"))
|
|
|
|
def items(self):
|
|
self.login()
|
|
data = {"_extractor": ExhentaiGalleryExtractor}
|
|
|
|
while True:
|
|
last = None
|
|
page = self.request(self.search_url, params=self.params).text
|
|
|
|
for gallery in ExhentaiGalleryExtractor.pattern.finditer(page):
|
|
url = gallery.group(0)
|
|
if url == last:
|
|
continue
|
|
last = url
|
|
yield Message.Queue, url, data
|
|
|
|
if 'class="ptdd">><' in page or ">No hits found</p>" in page:
|
|
return
|
|
self.params["page"] += 1
|
|
|
|
|
|
class ExhentaiFavoriteExtractor(ExhentaiSearchExtractor):
|
|
"""Extractor for favorited exhentai galleries"""
|
|
subcategory = "favorite"
|
|
pattern = BASE_PATTERN + r"/favorites\.php(?:\?([^#]*)())?"
|
|
test = (
|
|
("https://e-hentai.org/favorites.php", {
|
|
"count": 1,
|
|
"pattern": r"https?://e-hentai\.org/g/1200119/d55c44d3d0"
|
|
}),
|
|
("https://exhentai.org/favorites.php?favcat=1&f_search=touhou"
|
|
"&f_apply=Search+Favorites"),
|
|
)
|
|
|
|
def __init__(self, match):
|
|
ExhentaiSearchExtractor.__init__(self, match)
|
|
self.search_url = self.root + "/favorites.php"
|