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gallery-dl/gallery_dl/extractor/slideshare.py
2024-05-31 21:05:50 +02:00

62 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016-2017 Leonardo Taccari
# Copyright 2017-2023 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 https://www.slideshare.net/"""
from .common import GalleryExtractor
from .. import text, util
class SlidesharePresentationExtractor(GalleryExtractor):
"""Extractor for images from a presentation on slideshare.net"""
category = "slideshare"
subcategory = "presentation"
directory_fmt = ("{category}", "{user}")
filename_fmt = "{presentation}-{num:>02}.{extension}"
archive_fmt = "{presentation}_{num}"
pattern = (r"(?:https?://)?(?:www\.)?slideshare\.net"
r"/(?:mobile/)?([^/?#]+)/([^/?#]+)")
example = "https://www.slideshare.net/USER/PRESENTATION"
def __init__(self, match):
self.user, self.presentation = match.groups()
url = "https://www.slideshare.net/{}/{}".format(
self.user, self.presentation)
GalleryExtractor.__init__(self, match, url)
def metadata(self, page):
data = util.json_loads(text.extr(
page, 'id="__NEXT_DATA__" type="application/json">', '</script>'))
self.slideshow = slideshow = data["props"]["pageProps"]["slideshow"]
return {
"user" : slideshow["username"],
"presentation": self.presentation,
"title" : slideshow["title"].strip(),
"description" : slideshow["description"].strip(),
"views" : slideshow["views"],
"likes" : slideshow["likes"],
"date" : text.parse_datetime(
slideshow["createdAt"], "%Y-%m-%d %H:%M:%S %Z"),
}
def images(self, page):
slides = self.slideshow["slides"]
begin = "{}/{}/95/{}-".format(
slides["host"],
slides["imageLocation"],
slides["title"],
)
end = "-1024.jpg"
return [
(begin + str(n) + end, None)
for n in range(1, self.slideshow["totalSlides"]+1)
]