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[lynxchan] add generic extractors for lynxchan imageboards (#3394)
* [lynxchan] add generic extractors for lynxchan imageboards includes kohlchan.net, endchan.org:wq * [lynxchan] set pop default to empty tuple * Apply suggestions from code review Co-authored-by: Mike Fährmann <[email protected]>
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# -*- coding: utf-8 -*- | ||
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# 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. | ||
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"""Extractors for LynxChan Imageboards""" | ||
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from .common import BaseExtractor, Message | ||
from .. import text | ||
import itertools | ||
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class LynxchanExtractor(BaseExtractor): | ||
"""Base class for LynxChan extractors""" | ||
basecategory = "lynxchan" | ||
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BASE_PATTERN = LynxchanExtractor.update({ | ||
"kohlchan": { | ||
"root": "https://kohlchan.net", | ||
"pattern": r"kohlchan\.net" | ||
}, | ||
"endchan": { | ||
"root": None, | ||
"pattern": r"endchan\.(?:org|net|gg)", | ||
}, | ||
}) | ||
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class LynxchanThreadExtractor(LynxchanExtractor): | ||
"""Extractor for LynxChan threads""" | ||
subcategory = "thread" | ||
directory_fmt = ("{category}", "{boardUri}", | ||
"{threadId} {subject|message[:50]}") | ||
filename_fmt = "{postId}{num:?-//} {filename}.{extension}" | ||
archive_fmt = "{boardUri}_{postId}_{num}" | ||
pattern = BASE_PATTERN + r"/([^/?#]+)/res/(\d+)" | ||
test = ( | ||
("https://kohlchan.net/a/res/4594.html", { | ||
"pattern": r"https://kohlchan\.net/\.media/[0-9a-f]{64}(\.\w+)?$", | ||
"count": ">= 80", | ||
}), | ||
("https://endchan.org/yuri/res/193483.html", { | ||
"pattern": r"https://endchan\.org/\.media/[^.]+(\.\w+)?$", | ||
"count" : ">= 19", | ||
}), | ||
("https://endchan.org/yuri/res/33621.html"), | ||
) | ||
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def __init__(self, match): | ||
LynxchanExtractor.__init__(self, match) | ||
index = match.lastindex | ||
self.board = match.group(index-1) | ||
self.thread = match.group(index) | ||
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def items(self): | ||
url = "{}/{}/res/{}.json".format(self.root, self.board, self.thread) | ||
thread = self.request(url).json() | ||
thread["postId"] = thread["threadId"] | ||
posts = thread.pop("posts", ()) | ||
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yield Message.Directory, thread | ||
for post in itertools.chain((thread,), posts): | ||
files = post.pop("files", ()) | ||
if files: | ||
thread.update(post) | ||
for num, file in enumerate(files): | ||
file.update(thread) | ||
file["num"] = num | ||
url = self.root + file["path"] | ||
text.nameext_from_url(file["originalName"], file) | ||
yield Message.Url, url, file | ||
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class LynxchanBoardExtractor(LynxchanExtractor): | ||
"""Extractor for LynxChan boards""" | ||
subcategory = "board" | ||
pattern = BASE_PATTERN + r"/([^/?#]+)(?:/index|/catalog|/\d+|/?$)" | ||
test = ( | ||
("https://kohlchan.net/a/", { | ||
"pattern": LynxchanThreadExtractor.pattern, | ||
"count": ">= 100", | ||
}), | ||
("https://kohlchan.net/a/2.html"), | ||
("https://kohlchan.net/a/catalog.html"), | ||
("https://endchan.org/yuri/", { | ||
"pattern": LynxchanThreadExtractor.pattern, | ||
"count" : ">= 9", | ||
}), | ||
("https://endchan.org/yuri/catalog.html"), | ||
) | ||
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def __init__(self, match): | ||
LynxchanExtractor.__init__(self, match) | ||
self.board = match.group(match.lastindex) | ||
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def items(self): | ||
url = "{}/{}/catalog.json".format(self.root, self.board) | ||
for thread in self.request(url).json(): | ||
url = "{}/{}/res/{}.html".format( | ||
self.root, self.board, thread["threadId"]) | ||
thread["_extractor"] = LynxchanThreadExtractor | ||
yield Message.Queue, url, thread |
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