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gallery-dl/gallery_dl/extractor/sankaku.py
2015-11-10 00:55:01 +01:00

90 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014, 2015 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://chan.sankakucomplex.com/"""
from .common import AsynchronousExtractor, Message
from .. import text
import os.path
info = {
"category": "sankaku",
"extractor": "SankakuExtractor",
"directory": ["{category}", "{tags}"],
"filename": "{category}_{id}_{md5}.{extension}",
"pattern": [
r"(?:https?://)?chan\.sankakucomplex\.com/\?tags=([^&]+)",
],
}
class SankakuExtractor(AsynchronousExtractor):
url = "https://chan.sankakucomplex.com/"
def __init__(self, match):
AsynchronousExtractor.__init__(self)
self.tags = text.unquote(match.group(1))
self.session.headers["User-Agent"] = (
"Mozilla/5.0 Gecko/20100101 Firefox/40.0"
)
def items(self):
data = self.get_job_metadata()
yield Message.Version, 1
yield Message.Headers, self.session.headers
yield Message.Directory, data
for image in self.get_images():
image.update(data)
yield Message.Url, image["file-url"], image
def get_job_metadata(self):
"""Collect metadata for extractor-job"""
return {
"category": info["category"],
"tags": self.tags,
}
def get_images(self):
params = {
"tags": self.tags,
"page": 1,
}
while True:
count = 0
page = self.request(self.url, params=params).text
pos = text.extract(page, '<div id=more-popular-posts-link>', '')[1]
while True:
image_id, pos = text.extract(page,
'<span class="thumb blacklisted" id=p', '>', pos)
if not image_id:
break
image = self.get_image_metadata(image_id)
count += 1
yield image
if count < 20:
return
params["page"] += 1
def get_image_metadata(self, image_id):
url = "https://chan.sankakucomplex.com/post/show/" + image_id
page = self.request(url).text
image_url, pos = text.extract(page, '<li>Original: <a href="', '"')
width , pos = text.extract(page, '>', 'x', pos)
height , pos = text.extract(page, '', ' ', pos)
filename = text.filename_from_url(image_url)
name, ext = os.path.splitext(filename)
return {
"id": image_id,
"file-url": "https:" + image_url,
"width": width,
"height": height,
"md5": name,
"name": name,
"extension": ext[1:],
}