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173 lines
3.4 KiB
173 lines
3.4 KiB
# -*- coding: utf-8 -*-
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# Copyright 2015-2019 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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import re
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import importlib
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modules = [
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"2chan",
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"35photo",
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"3dbooru",
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"4chan",
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"500px",
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"8chan",
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"artstation",
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"behance",
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"bobx",
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"danbooru",
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"deviantart",
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"dynastyscans",
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"e621",
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"exhentai",
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"fallenangels",
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"flickr",
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"gelbooru",
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"gfycat",
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"hbrowse",
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"hentai2read",
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"hentaicafe",
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"hentaifoundry",
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"hentaifox",
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"hentaihere",
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"hitomi",
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"hypnohub",
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"idolcomplex",
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"imagebam",
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"imagefap",
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"imgbox",
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"imgth",
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"imgur",
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"instagram",
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"khinsider",
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"kissmanga",
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"komikcast",
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"konachan",
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"luscious",
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"mangadex",
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"mangafox",
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"mangahere",
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"mangapanda",
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"mangapark",
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"mangareader",
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"mangastream",
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"myportfolio",
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"newgrounds",
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"ngomik",
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"nhentai",
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"nijie",
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"paheal",
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"photobucket",
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"piczel",
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"pinterest",
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"pixiv",
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"pururin",
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"reactor",
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"readcomiconline",
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"reddit",
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"rule34",
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"safebooru",
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"sankaku",
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"seiga",
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"senmanga",
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"simplyhentai",
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"slideshare",
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"smugmug",
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"tsumino",
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"tumblr",
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"twitter",
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"wallhaven",
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"warosu",
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"weibo",
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"yandere",
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"xvideos",
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"yuki",
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"foolfuuka",
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"foolslide",
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"mastodon",
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"shopify",
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"imagehosts",
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"directlink",
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"recursive",
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"oauth",
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"test",
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]
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def find(url):
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"""Find a suitable extractor for the given URL"""
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for cls in _list_classes():
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match = cls.pattern.match(url)
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if match and cls not in _blacklist:
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return cls(match)
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return None
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def add(cls):
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"""Add 'cls' to the list of available extractors"""
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cls.pattern = re.compile(cls.pattern)
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_cache.append(cls)
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return cls
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def add_module(module):
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"""Add all extractors in 'module' to the list of available extractors"""
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classes = _get_classes(module)
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for cls in classes:
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cls.pattern = re.compile(cls.pattern)
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_cache.extend(classes)
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return classes
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def extractors():
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"""Yield all available extractor classes"""
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return sorted(
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_list_classes(),
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key=lambda x: x.__name__
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)
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class blacklist():
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"""Context Manager to blacklist extractor modules"""
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def __init__(self, categories, extractors=None):
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self.extractors = extractors or []
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for cls in _list_classes():
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if cls.category in categories:
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self.extractors.append(cls)
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def __enter__(self):
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_blacklist.update(self.extractors)
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def __exit__(self, etype, value, traceback):
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_blacklist.clear()
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# --------------------------------------------------------------------
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# internals
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_cache = []
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_blacklist = set()
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_module_iter = iter(modules)
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def _list_classes():
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"""Yield all available extractor classes"""
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yield from _cache
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for module_name in _module_iter:
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module = importlib.import_module("."+module_name, __package__)
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yield from add_module(module)
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def _get_classes(module):
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"""Return a list of all extractor classes in a module"""
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return [
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cls for cls in module.__dict__.values() if (
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hasattr(cls, "pattern") and cls.__module__ == module.__name__
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)
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]
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