mirror of
https://github.com/mikf/gallery-dl.git
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87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016-2021 Mike Fährmann, Leonardo Taccari
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Extract images from https://www.slideshare.net/"""
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from .common import Extractor, Message
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from .. import text
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class SlidesharePresentationExtractor(Extractor):
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"""Extractor for images from a presentation on slideshare.net"""
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category = "slideshare"
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subcategory = "presentation"
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directory_fmt = ("{category}", "{user}")
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filename_fmt = "{presentation}-{num:>02}.{extension}"
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archive_fmt = "{presentation}_{num}"
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pattern = (r"(?:https?://)?(?:www\.)?slideshare\.net"
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r"/(?:mobile/)?([^/?#]+)/([^/?#]+)")
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test = (
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(("https://www.slideshare.net"
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"/Slideshare/get-started-with-slide-share"), {
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"url": "23685fb9b94b32c77a547d45dc3a82fe7579ea18",
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"content": "ee54e54898778e92696a7afec3ffabdbd98eb0cc",
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}),
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# long title
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(("https://www.slideshare.net/pragmaticsolutions/warum-sie-nicht-ihren"
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"-mitarbeitenden-ndern-sollten-sondern-ihr-managementsystem"), {
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"url": "cf70ca99f57f61affab47ebf8583eb564b21e3a7",
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}),
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# mobile URL
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(("https://www.slideshare.net"
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"/mobile/uqudent/introduction-to-fixed-prosthodontics"), {
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"url": "59993ad7b0cb93c73011547eedcd02c622649e9d",
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}),
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)
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def __init__(self, match):
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Extractor.__init__(self, match)
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self.user, self.presentation = match.groups()
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def items(self):
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page = self.request("https://www.slideshare.net/" + self.user +
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"/" + self.presentation).text
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data = self.get_job_metadata(page)
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imgs = self.get_image_urls(page)
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data["count"] = len(imgs)
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yield Message.Version, 1
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yield Message.Directory, data
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for data["num"], url in enumerate(imgs, 1):
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yield Message.Url, url, text.nameext_from_url(url, data)
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def get_job_metadata(self, page):
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"""Collect metadata for extractor-job"""
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descr, pos = text.extract(
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page, '<meta name="description" content="', '"')
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title, pos = text.extract(
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page, '<span class="j-title-breadcrumb">', '</span>', pos)
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views, pos = text.extract(
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page, '<span class="notranslate">', 'views<', pos)
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published, pos = text.extract(
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page, '<time datetime="', '"', pos)
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alt_descr, pos = text.extract(
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page, 'id="slideshow-description-paragraph" class="notranslate">',
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'</p>', pos)
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if descr.endswith("…") and alt_descr:
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descr = text.remove_html(alt_descr).strip()
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return {
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"user": self.user,
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"presentation": self.presentation,
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"title": text.unescape(title.strip()),
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"description": text.unescape(descr),
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"views": text.parse_int(views.replace(",", "")),
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"published": published,
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}
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@staticmethod
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def get_image_urls(page):
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"""Extract and return a list of all image-urls"""
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return list(text.extract_iter(page, 'data-full="', '"'))
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