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gallery-dl/gallery_dl/extractor/__init__.py
2016-10-03 16:13:05 +02:00

114 lines
2.3 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015,2016 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.
import re
import importlib
from .. import config
modules = [
"pixiv",
"3dbooru",
"4chan",
"8chan",
"batoto",
"chronos",
"coreimg",
"danbooru",
"deviantart",
"dokireader",
"doujinmode",
"dynastyscans",
"e621",
"exhentai",
"gelbooru",
"hbrowse",
"hentai2read",
"hentaibox",
"hentaifoundry",
"hitomi",
"imagebam",
"imagefap",
"imagetwist",
"imgbox",
"imgcandy",
"imgchili",
"imgth",
"imgtrex",
"imgur",
"imgyt",
"khinsider",
"kissmanga",
"konachan",
"luscious",
"mangahere",
"mangamint",
"mangapanda",
"mangapark",
"mangareader",
"mangashare",
"mangastream",
"nhentai",
"nijie",
"pinterest",
"powermanga",
"rapidimg",
"rule34",
"safebooru",
"sankaku",
"seiga",
"senmanga",
"spectrumnexus",
"tumblr",
"turboimagehost",
"yandere",
"recursive",
]
def find(url):
"""Find suitable extractor for the given url"""
for pattern, klass in _list_patterns():
match = pattern.match(url)
if match:
return klass(match)
return None
def extractors():
"""Yield all available extractor classes"""
return sorted(
set(klass for _, klass in _list_patterns()),
key=lambda x: x.__name__
)
# --------------------------------------------------------------------
# internals
_cache = []
_module_iter = iter(modules)
def _list_patterns():
"""Yield all available (pattern, class) tuples"""
yield from _cache
for module_name in _module_iter:
module = importlib.import_module("."+module_name, __package__)
tuples = [
(re.compile(pattern), klass)
for klass in _get_classes(module)
for pattern in klass.pattern
]
_cache.extend(tuples)
yield from tuples
def _get_classes(module):
"""Return a list of all extractor classes in a module"""
return [
klass for klass in module.__dict__.values() if (
hasattr(klass, "pattern") and klass.__module__ == module.__name__
)
]