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gallery-dl/gallery_dl/extractor/__init__.py
2015-10-28 12:08:27 +01:00

62 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015 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",
# "exhentai",
"gelbooru",
"3dbooru",
"4chan",
"8chan",
"batoto",
"danbooru",
"deviantart",
"e621",
"imagebam",
"imgbox",
"imgchili",
"imgur",
"mangareader",
"nhentai",
"nijie",
"powermanga",
"redhawkscans",
"yandere",
]
def find(url):
"""Find extractor suitable for handling the given url"""
for pattern, module, klass in _list_patterns():
match = re.match(pattern, url)
if match:
return klass(match), module.info
# --------------------------------------------------------------------
# internals
_cache = []
_module_iter = iter(modules)
def _list_patterns():
"""Yield all available (pattern, module, klass) tuples"""
for entry in _cache:
yield entry
for module_name in _module_iter:
module = importlib.import_module("."+module_name, __package__)
klass = getattr(module, module.info["extractor"])
userpatterns = config.get(("extractor", module_name, "pattern"), default=[])
for pattern in userpatterns + module.info["pattern"]:
etuple = (pattern, module, klass)
_cache.append(etuple)
yield etuple