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gallery-dl/gallery_dl/extractor/nijie.py
2017-09-26 16:49:58 +02:00

149 lines
5.3 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015-2017 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://nijie.info/"""
from .common import AsynchronousExtractor, Message
from .. import text, exception
from ..cache import cache
class NijieExtractor(AsynchronousExtractor):
"""Base class for nijie extractors"""
category = "nijie"
directory_fmt = ["{category}", "{artist_id}"]
filename_fmt = "{category}_{artist_id}_{image_id}_p{index:>02}.{extension}"
cookiedomain = "nijie.info"
popup_url = "https://nijie.info/view_popup.php?id="
def __init__(self):
AsynchronousExtractor.__init__(self)
self.session.headers["Referer"] = "https://nijie.info/"
self.artist_id = ""
def items(self):
self.login()
data = self.get_job_metadata()
images = self.get_image_ids()
yield Message.Version, 1
yield Message.Directory, data
for image_id in images:
for image_url, image_data in self.get_image_data(image_id):
image_data.update(data)
yield Message.Url, image_url, image_data
def get_job_metadata(self):
"""Collect metadata for extractor-job"""
return {"artist_id": self.artist_id}
def get_image_ids(self):
"""Collect all image-ids for a specific artist"""
return []
def get_image_data(self, image_id):
"""Get URL and metadata for images specified by 'image_id'"""
page = self.request(self.popup_url + image_id).text
return self.extract_image_data(page, image_id)
@staticmethod
def extract_image_data(page, image_id):
"""Get URL and metadata for images from 'page'"""
images = list(text.extract_iter(page, '<img src="//pic', '"'))
for index, url in enumerate(images):
yield "https://pic" + url, text.nameext_from_url(url, {
"count": len(images),
"index": index,
"image_id": image_id,
})
def login(self):
"""Login and obtain session cookie"""
if not self._check_cookies(("nemail", "nlogin")):
username, password = self._get_auth_info()
self.session.cookies = self._login_impl(username, password)
@cache(maxage=30*24*60*60, keyarg=1)
def _login_impl(self, username, password):
"""Actual login implementation"""
self.log.info("Logging in as %s", username)
data = {"email": username, "password": password}
page = self.request("https://nijie.info/login_int.php",
method="POST", data=data).text
if "//nijie.info/login.php" in page:
raise exception.AuthenticationError()
return self.session.cookies
class NijieUserExtractor(NijieExtractor):
"""Extractor for works of a nijie-user"""
subcategory = "user"
pattern = [(r"(?:https?://)?(?:www\.)?nijie\.info/"
r"members(?:_illust)?\.php\?id=(\d+)")]
test = [
("https://nijie.info/members_illust.php?id=44", {
"url": "585d821df4716b1098660a0be426d01db4b65f2a",
"keyword": "804d3a9bb8205048ac0d1fe8eec39266b50f1e8e",
}),
("https://nijie.info/members_illust.php?id=43", {
"exception": exception.NotFoundError,
}),
]
def __init__(self, match):
NijieExtractor.__init__(self)
self.artist_id = match.group(1)
def get_image_ids(self):
params = {"id": self.artist_id, "p": 1}
url = "https://nijie.info/members_illust.php"
while True:
response = self.request(url, params=params, fatal=False)
if response.status_code == 404:
raise exception.NotFoundError("artist")
ids = list(text.extract_iter(response.text, ' illust_id="', '"'))
yield from ids
if len(ids) < 48:
return
params["p"] += 1
class NijieImageExtractor(NijieExtractor):
"""Extractor for a work/image from nijie.info"""
subcategory = "image"
pattern = [r"(?:https?://)?(?:www\.)?nijie\.info/view\.php\?id=(\d+)"]
test = [
("https://nijie.info/view.php?id=70720", {
"url": "a10d4995645b5f260821e32c60a35f73546c2699",
"keyword": "4ecfd46460761b7a89fdba815eece10e917032c2",
"content": "d85e3ea896ed5e4da0bca2390ad310a4df716ca6",
}),
("https://nijie.info/view.php?id=70724", {
"exception": exception.NotFoundError,
}),
]
def __init__(self, match):
NijieExtractor.__init__(self)
self.image_id = match.group(1)
self.page = ""
def get_job_metadata(self):
response = self.request(self.popup_url + self.image_id,
allow_redirects=False, allow_empty=True)
if 300 <= response.status_code < 400:
raise exception.NotFoundError("image")
self.page = response.text
self.artist_id = text.extract(self.page, "/nijie_picture/sp/", "_")[0]
return NijieExtractor.get_job_metadata(self)
def get_image_ids(self):
return (self.image_id,)
def get_image_data(self, _):
return self.extract_image_data(self.page, self.image_id)