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# -*- coding: utf-8 -*-
# Copyright 2022-2023 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://www.zerochan.net/"""
from .booru import BooruExtractor
from ..cache import cache
from .. import text, exception
BASE_PATTERN = r"(?:https?://)?(?:www\.)?zerochan\.net"
class ZerochanExtractor(BooruExtractor):
"""Base class for zerochan extractors"""
category = "zerochan"
root = "https://www.zerochan.net"
filename_fmt = "{id}.{extension}"
archive_fmt = "{id}"
cookies_domain = ".zerochan.net"
cookies_names = ("z_id", "z_hash")
def login(self):
self._logged_in = True
if self.cookies_check(self.cookies_names):
return
username, password = self._get_auth_info()
if username:
return self.cookies_update(self._login_impl(username, password))
self._logged_in = False
@cache(maxage=90*86400, keyarg=1)
def _login_impl(self, username, password):
self.log.info("Logging in as %s", username)
url = self.root + "/login"
headers = {
"Origin" : self.root,
"Referer" : url,
}
data = {
"ref" : "/",
"name" : username,
"password": password,
"login" : "Login",
}
response = self.request(url, method="POST", headers=headers, data=data)
if not response.history:
raise exception.AuthenticationError()
return response.cookies
def _parse_entry_html(self, entry_id):
url = "{}/{}".format(self.root, entry_id)
extr = text.extract_from(self.request(url).text)
data = {
"id" : text.parse_int(entry_id),
"author" : extr('"author": "', '"'),
"file_url": extr('"contentUrl": "', '"'),
"date" : text.parse_datetime(extr('"datePublished": "', '"')),
"width" : text.parse_int(extr('"width": "', ' ')),
"height" : text.parse_int(extr('"height": "', ' ')),
"size" : text.parse_bytes(extr('"contentSize": "', 'B')),
"path" : text.split_html(extr(
'class="breadcrumbs', '</p>'))[2:],
"uploader": extr('href="/user/', '"'),
"tags" : extr('<ul id="tags"', '</ul>'),
"source" : extr('<h2>Source</h2>', '</p><h2>').rpartition(
">")[2] or None,
}
html = data["tags"]
tags = data["tags"] = []
for tag in html.split("<li class=")[1:]:
category = text.extr(tag, 'alt="', '"')
name = text.extr(tag, ">-->", "</a>")
tags.append(category + ":" + name.strip())
return data
def _parse_entry_json(self, entry_id):
url = "{}/{}?json".format(self.root, entry_id)
item = self.request(url).json()
data = {
"id" : item["id"],
"file_url": item["full"],
"width" : item["width"],
"height" : item["height"],
"size" : item["size"],
"name" : item["primary"],
"md5" : item["hash"],
"source" : item.get("source"),
}
if not self._logged_in:
data["tags"] = item["tags"]
return data
class ZerochanTagExtractor(ZerochanExtractor):
subcategory = "tag"
directory_fmt = ("{category}", "{search_tags}")
pattern = BASE_PATTERN + r"/(?!\d+$)([^/?#]+)/?(?:\?([^#]+))?"
example = "https://www.zerochan.net/TAG"
def __init__(self, match):
ZerochanExtractor.__init__(self, match)
self.search_tag, self.query = match.groups()
def metadata(self):
return {"search_tags": text.unquote(
self.search_tag.replace("+", " "))}
def posts(self):
url = self.root + "/" + self.search_tag
params = text.parse_query(self.query)
params["p"] = text.parse_int(params.get("p"), 1)
metadata = self.config("metadata")
while True:
page = self.request(url, params=params).text
thumbs = text.extr(page, '<ul id="thumbs', '</ul>')
extr = text.extract_from(thumbs)
while True:
post = extr('<li class="', '>')
if not post:
break
if metadata:
entry_id = extr('href="/', '"')
post = self._parse_entry_html(entry_id)
post.update(self._parse_entry_json(entry_id))
yield post
else:
yield {
"id" : extr('href="/', '"'),
"name" : extr('alt="', '"'),
"width" : extr('title="', 'x'),
"height": extr('', ' '),
"size" : extr('', 'B'),
"file_url": "https://static." + extr(
'<a href="https://static.', '"'),
}
if 'rel="next"' not in page:
break
params["p"] += 1
class ZerochanImageExtractor(ZerochanExtractor):
subcategory = "image"
pattern = BASE_PATTERN + r"/(\d+)"
example = "https://www.zerochan.net/12345"
def __init__(self, match):
ZerochanExtractor.__init__(self, match)
self.image_id = match.group(1)
def posts(self):
post = self._parse_entry_html(self.image_id)
if self.config("metadata"):
post.update(self._parse_entry_json(self.image_id))
return (post,)
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