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# -*- coding: utf-8 -*-
# Copyright 2015-2021 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.
"""Extractors for *booru sites"""
from .common import BaseExtractor, Message
from .. import text
import operator
class BooruExtractor(BaseExtractor):
"""Base class for *booru extractors"""
basecategory = "booru"
filename_fmt = "{category}_{id}_{md5}.{extension}"
page_start = 0
per_page = 100
def items(self):
self.login()
data = self.metadata()
tags = self.config("tags", False)
for post in self.posts():
try:
url = self._file_url(post)
if url[0] == "/":
url = self.root + url
except (KeyError, TypeError):
self.log.debug("Unable to fetch download URL for post %s "
"(md5: %s)", post.get("id"), post.get("md5"))
continue
if tags:
self._extended_tags(post)
self._prepare(post)
post.update(data)
text.nameext_from_url(url, post)
yield Message.Directory, post
yield Message.Url, url, post
def skip(self, num):
pages = num // self.per_page
self.page_start += pages
return pages * self.per_page
def login(self):
"""Login and set necessary cookies"""
def metadata(self):
"""Return a dict with general metadata"""
return ()
def posts(self):
"""Return an iterable with post objects"""
return ()
_file_url = operator.itemgetter("file_url")
def _prepare(self, post):
"""Prepare the 'post's metadata"""
def _extended_tags(self, post, page=None):
"""Generate extended tag information"""
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