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# -*- coding: utf-8 -*-
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# Copyright 2016 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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"""Extract images from http://seiga.nicovideo.jp"""
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from .common import Extractor, Message
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from .. import config, exception
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from ..cache import cache
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class SeigaImageExtractor(Extractor):
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"""Extract a single image from seiga.nicovideo.jp"""
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category = "seiga"
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subcategory = "image"
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directory_fmt = ["{category}"]
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filename_fmt = "{category}_{image-id}.jpg"
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pattern = [(r"(?:https?://)?(?:www\.|seiga\.)?nicovideo\.jp/"
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r"(?:seiga/im|image/source/)(\d+)"),
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r"(?:https?://)?lohas\.nicoseiga\.jp/(?:priv|o)/[^/]+/\d+/(\d+)"]
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test = [("http://seiga.nicovideo.jp/seiga/im5977527", {
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"keyword": "e2ea59186c47beb71484ba35d550cf6511ac185a",
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"content": "d9202292012178374d57fb0126f6124387265297",
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})]
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def __init__(self, match):
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Extractor.__init__(self)
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self.image_id = match.group(1)
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def items(self):
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self.session.cookies = self.login(
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config.interpolate(("extractor", self.category, "username")),
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config.interpolate(("extractor", self.category, "password")),
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)
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data = self.get_job_metadata()
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url = self.get_image_url(self.image_id)
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yield Message.Version, 1
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yield Message.Directory, data
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yield Message.Url, url, data
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def get_job_metadata(self):
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"""Collect metadata for extractor-job"""
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return {
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"category": self.category,
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"image-id": self.image_id,
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}
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def get_image_url(self, image_id):
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"""Get url for an image with id 'image_id'"""
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url = "http://seiga.nicovideo.jp/image/source/" + image_id
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response = self.session.head(url)
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return response.headers["Location"].replace("/o/", "/priv/", 1)
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@cache(maxage=30*24*60*60, keyarg=1)
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def login(self, username, password):
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"""Login and obtain session cookie"""
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url = "https://account.nicovideo.jp/api/v1/login"
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params = {"mail_tel": username, "password": password}
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self.session.post(url, data=params).close()
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if "user_session" not in self.session.cookies:
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raise exception.AuthenticationError()
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del self.session.cookies["nicosid"]
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return self.session.cookies
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