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gallery-dl/gallery_dl/extractor/seiga.py
2016-09-25 17:28:46 +02:00

67 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016 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 http://seiga.nicovideo.jp"""
from .common import Extractor, Message
from .. import config, exception
from ..cache import cache
class SeigaImageExtractor(Extractor):
"""Extractor for single images from seiga.nicovideo.jp"""
category = "seiga"
subcategory = "image"
directory_fmt = ["{category}"]
filename_fmt = "{category}_{image-id}.jpg"
pattern = [(r"(?:https?://)?(?:www\.|seiga\.)?nicovideo\.jp/"
r"(?:seiga/im|image/source/)(\d+)"),
(r"(?:https?://)?lohas\.nicoseiga\.jp/"
r"(?:priv|o)/[^/]+/\d+/(\d+)")]
test = [("http://seiga.nicovideo.jp/seiga/im5977527", {
"keyword": "fd2628b573d15d1bbdefb219a99b993365b214ed",
"content": "d9202292012178374d57fb0126f6124387265297",
})]
def __init__(self, match):
Extractor.__init__(self)
self.image_id = match.group(1)
def items(self):
self.session.cookies = self.login(
config.interpolate(("extractor", self.category, "username")),
config.interpolate(("extractor", self.category, "password")),
)
data = self.get_job_metadata()
url = self.get_image_url(self.image_id)
yield Message.Version, 1
yield Message.Directory, data
yield Message.Url, url, data
def get_job_metadata(self):
"""Collect metadata for extractor-job"""
return {"image-id": self.image_id}
def get_image_url(self, image_id):
"""Get url for an image with id 'image_id'"""
url = "http://seiga.nicovideo.jp/image/source/" + image_id
response = self.session.head(url)
if response.status_code == 404:
raise exception.NotFoundError("image")
return response.headers["Location"].replace("/o/", "/priv/", 1)
@cache(maxage=30*24*60*60, keyarg=1)
def login(self, username, password):
"""Login and obtain session cookie"""
url = "https://account.nicovideo.jp/api/v1/login"
params = {"mail_tel": username, "password": password}
self.session.post(url, data=params).close()
if "user_session" not in self.session.cookies:
raise exception.AuthenticationError()
del self.session.cookies["nicosid"]
return self.session.cookies