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# -*- coding: utf-8 -*-
# Copyright 2016-2023 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://seiga.nicovideo.jp/"""
from .common import Extractor, Message
from .. import text, util, exception
class SeigaExtractor(Extractor):
"""Base class for seiga extractors"""
category = "seiga"
archive_fmt = "{image_id}"
cookies_domain = ".nicovideo.jp"
root = "https://seiga.nicovideo.jp"
def __init__(self, match):
Extractor.__init__(self, match)
self.start_image = 0
def items(self):
if not self.cookies_check(("user_session",)):
raise exception.StopExtraction("'user_session' cookie required")
images = iter(self.get_images())
data = next(images)
yield Message.Directory, data
for image in util.advance(images, self.start_image):
data.update(image)
data["extension"] = None
yield Message.Url, self.get_image_url(data["image_id"]), data
def get_images(self):
"""Return iterable containing metadata and images"""
def get_image_url(self, image_id):
"""Get url for an image with id 'image_id'"""
url = "{}/image/source/{}".format(self.root, image_id)
response = self.request(
url, method="HEAD", allow_redirects=False, notfound="image")
location = response.headers["location"]
if "nicovideo.jp/login" in location:
raise exception.StopExtraction(
"HTTP redirect to login page (%s)", location.partition("?")[0])
return location.replace("/o/", "/priv/", 1)
class SeigaUserExtractor(SeigaExtractor):
"""Extractor for images of a user from seiga.nicovideo.jp"""
subcategory = "user"
directory_fmt = ("{category}", "{user[id]}")
filename_fmt = "{category}_{user[id]}_{image_id}.{extension}"
pattern = (r"(?:https?://)?(?:www\.|(?:sp\.)?seiga\.)?nicovideo\.jp/"
r"user/illust/(\d+)(?:\?(?:[^&]+&)*sort=([^&#]+))?")
example = "https://seiga.nicovideo.jp/user/illust/12345"
def __init__(self, match):
SeigaExtractor.__init__(self, match)
self.user_id, self.order = match.groups()
self.start_page = 1
def skip(self, num):
pages, images = divmod(num, 40)
self.start_page += pages
self.start_image += images
return num
def get_metadata(self, page):
"""Collect metadata from 'page'"""
data = text.extract_all(page, (
("name" , '<img alt="', '"'),
("msg" , '<li class="user_message">', '</li>'),
(None , '<span class="target_name">すべて</span>', ''),
("count", '<span class="count ">', '</span>'),
))[0]
if not data["name"] and "ユーザー情報が取得出来ませんでした" in page:
raise exception.NotFoundError("user")
return {
"user": {
"id": text.parse_int(self.user_id),
"name": data["name"],
"message": (data["msg"] or "").strip(),
},
"count": text.parse_int(data["count"]),
}
def get_images(self):
url = "{}/user/illust/{}".format(self.root, self.user_id)
params = {"sort": self.order, "page": self.start_page,
"target": "illust_all"}
while True:
cnt = 0
page = self.request(url, params=params).text
if params["page"] == self.start_page:
yield self.get_metadata(page)
for info in text.extract_iter(
page, '<li class="list_item', '</a></li> '):
data = text.extract_all(info, (
("image_id", '/seiga/im', '"'),
("title" , '<li class="title">', '</li>'),
("views" , '</span>', '</li>'),
("comments", '</span>', '</li>'),
("clips" , '</span>', '</li>'),
))[0]
for key in ("image_id", "views", "comments", "clips"):
data[key] = text.parse_int(data[key])
yield data
cnt += 1
if cnt < 40:
return
params["page"] += 1
class SeigaImageExtractor(SeigaExtractor):
"""Extractor for single images from seiga.nicovideo.jp"""
subcategory = "image"
filename_fmt = "{category}_{image_id}.{extension}"
pattern = (r"(?:https?://)?(?:"
r"(?:seiga\.|www\.)?nicovideo\.jp/(?:seiga/im|image/source/)"
r"|sp\.seiga\.nicovideo\.jp/seiga/#!/im"
r"|lohas\.nicoseiga\.jp/(?:thumb|(?:priv|o)/[^/]+/\d+)/)(\d+)")
example = "https://seiga.nicovideo.jp/seiga/im12345"
def __init__(self, match):
SeigaExtractor.__init__(self, match)
self.image_id = match.group(1)
def skip(self, num):
self.start_image += num
return num
def get_images(self):
self.cookies.set(
"skip_fetish_warning", "1", domain="seiga.nicovideo.jp")
url = "{}/seiga/im{}".format(self.root, self.image_id)
page = self.request(url, notfound="image").text
data = text.extract_all(page, (
("date" , '<li class="date"><span class="created">', '<'),
("title" , '<h1 class="title">', '</h1>'),
("description" , '<p class="discription">', '</p>'),
))[0]
data["user"] = text.extract_all(page, (
("id" , '<a href="/user/illust/' , '"'),
("name", '<span itemprop="title">', '<'),
))[0]
data["description"] = text.remove_html(data["description"])
data["image_id"] = text.parse_int(self.image_id)
data["date"] = text.parse_datetime(
data["date"] + ":00+0900", "%Y年%m月%d日 %H:%M:%S%z")
return (data, data)
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