41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
#!/usr/bin/env python3
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import logging
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import re
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from typing import Optional
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import bs4
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from praw.models import Submission
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from bdfr.exceptions import SiteDownloaderError
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from bdfr.resource import Resource
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from bdfr.site_authenticator import SiteAuthenticator
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from bdfr.site_downloaders.base_downloader import BaseDownloader
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logger = logging.getLogger(__name__)
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class Gallery(BaseDownloader):
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def __init__(self, post: Submission):
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super().__init__(post)
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def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]:
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image_urls = self._get_links(self.post.url)
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if not image_urls:
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raise SiteDownloaderError('No images found in Reddit gallery')
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return [Resource(self.post, url) for url in image_urls]
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@staticmethod
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def _get_links(url: str) -> list[str]:
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resource_headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)'
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' Chrome/67.0.3396.87 Safari/537.36 OPR/54.0.2952.64',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
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}
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page = Gallery.retrieve_url(url, headers=resource_headers)
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soup = bs4.BeautifulSoup(page.text, 'html.parser')
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links = soup.findAll('a', attrs={'target': '_blank', 'href': re.compile(r'https://preview\.redd\.it.*')})
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links = [link.get('href') for link in links]
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return links
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