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gallery-dl/gallery_dl/extractor/jschan.py

82 lines
2.7 KiB

# -*- coding: utf-8 -*-
# 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 jschan Imageboards"""
from .common import BaseExtractor, Message
from .. import text
import itertools
class JschanExtractor(BaseExtractor):
basecategory = "jschan"
BASE_PATTERN = JschanExtractor.update({
"94chan": {
"root": "https://94chan.org",
"pattern": r"94chan\.org"
}
})
class JschanThreadExtractor(JschanExtractor):
"""Extractor for jschan threads"""
subcategory = "thread"
directory_fmt = ("{category}", "{board}",
"{threadId} {subject|nomarkup[:50]}")
filename_fmt = "{postId}{num:?-//} {filename}.{extension}"
archive_fmt = "{board}_{postId}_{num}"
pattern = BASE_PATTERN + r"/([^/?#]+)/thread/(\d+)\.html"
example = "https://94chan.org/a/thread/12345.html"
def __init__(self, match):
JschanExtractor.__init__(self, match)
index = match.lastindex
self.board = match.group(index-1)
self.thread = match.group(index)
def items(self):
url = "{}/{}/thread/{}.json".format(
self.root, self.board, self.thread)
thread = self.request(url).json()
thread["threadId"] = thread["postId"]
posts = thread.pop("replies", ())
yield Message.Directory, thread
for post in itertools.chain((thread,), posts):
files = post.pop("files", ())
if files:
thread.update(post)
thread["count"] = len(files)
for num, file in enumerate(files):
url = self.root + "/file/" + file["filename"]
file.update(thread)
file["num"] = num
file["siteFilename"] = file["filename"]
text.nameext_from_url(file["originalFilename"], file)
yield Message.Url, url, file
class JschanBoardExtractor(JschanExtractor):
"""Extractor for jschan boards"""
subcategory = "board"
pattern = (BASE_PATTERN + r"/([^/?#]+)"
r"(?:/index\.html|/catalog\.html|/\d+\.html|/?$)")
example = "https://94chan.org/a/"
def __init__(self, match):
JschanExtractor.__init__(self, match)
self.board = match.group(match.lastindex)
def items(self):
url = "{}/{}/catalog.json".format(self.root, self.board)
for thread in self.request(url).json():
url = "{}/{}/thread/{}.html".format(
self.root, self.board, thread["postId"])
thread["_extractor"] = JschanThreadExtractor
yield Message.Queue, url, thread