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# -*- coding: utf-8 -*-
# Copyright 2016-2023 Mike Fährmann, Leonardo Taccari
#
# 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/)?([^/?#]+)/([^/?#]+)")
test = (
(("https://www.slideshare.net"
"/Slideshare/get-started-with-slide-share"), {
"pattern": r"https://image\.slidesharecdn\.com/getstartedwithslide"
r"share-150520173821-lva1-app6892/95/get-started-with-s"
r"lide-share-\d+-1024\.jpg\?cb=\d+",
"count": 19,
"content": "2b6a191eab60b3978fdacfecf2da302dd45bc108",
"keyword": {
"comments": "0",
"description": "Get Started with SlideShare - "
"A Beginngers Guide for Creators",
"likes": r"re:\d{3,}",
"presentation": "get-started-with-slide-share",
"published": "dt:2015-05-20 00:00:00",
"title": "Getting Started With SlideShare",
"user": "Slideshare",
"views": r"re:\d{7,}",
},
}),
# long title and description
(("https://www.slideshare.net/pragmaticsolutions/warum-sie-nicht-ihren"
"-mitarbeitenden-ndern-sollten-sondern-ihr-managementsystem"), {
"url": "cf70ca99f57f61affab47ebf8583eb564b21e3a7",
"keyword": {
"title": "Warum Sie nicht Ihren Mitarbeitenden ändern "
"sollten, sondern Ihr Managementsystem",
"description": "Mitarbeitende verhalten sich mehrheitlich so, "
"wie das System es ihnen vorgibt. Welche Voraus"
"setzungen es braucht, damit Ihre Mitarbeitende"
"n ihr ganzes Herzblut einsetzen, bespricht Fre"
"di Schmidli in diesem Referat.",
},
}),
# mobile URL
(("https://www.slideshare.net"
"/mobile/uqudent/introduction-to-fixed-prosthodontics"), {
"url": "43eda2adf4dd221a251c8df794dfb82649e94647",
}),
)
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):
extr = text.extract_from(page)
descr = extr('<meta name="description" content="', '"')
comments = extr('content="UserComments:', '"')
likes = extr('content="UserLikes:', '"')
views = extr('content="UserPageVisits:', '"')
title = extr('<span class="j-title-breadcrumb">', '</span>')
published = extr('<div class="metadata-item">', '</div>')
if descr.endswith("…"):
alt_descr = extr('slideshow-description-text"', '</p>')
if alt_descr:
descr = text.remove_html(alt_descr.partition(">")[2]).strip()
return {
"user": self.user,
"presentation": self.presentation,
"title": text.unescape(title.strip()),
"description": text.unescape(descr),
"views": views,
"likes": likes,
"comments": comments,
"published": text.parse_datetime(
published.strip(), "%b. %d, %Y"),
}
@staticmethod
def images(page):
data = util.json_loads(text.extract(
page, "xtend(true, slideshare_object.slideshow_config, ", ");")[0])
# useing 'stripped_title' here is technically wrong, but it works all
# the same, slideshare doesn't seem to care what characters go there
begin = "https://image.slidesharecdn.com/{}/95/{}-".format(
data["ppt_location"], data["stripped_title"])
end = "-1024.jpg?cb=" + str(data["timestamp"])
return [
(begin + str(n) + end, None)
for n in range(1, data["slide_count"]+1)
]
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