53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
#!/usr/bin/env python3
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import json
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import re
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from typing import Optional
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from bs4 import BeautifulSoup
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from praw.models import Submission
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from bdfr.exceptions import NotADownloadableLinkError, 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.gif_delivery_network import GifDeliveryNetwork
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class Redgifs(GifDeliveryNetwork):
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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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return super().find_resources(authenticator)
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@staticmethod
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def _get_link(url: str) -> str:
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try:
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redgif_id = re.match(r'.*/(.*?)/?$', url).group(1)
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except AttributeError:
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raise SiteDownloaderError(f'Could not extract Redgifs ID from {url}')
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url = 'https://redgifs.com/watch/' + redgif_id
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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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}
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page = Redgifs.retrieve_url(url, headers=headers)
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soup = BeautifulSoup(page.text, 'html.parser')
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content = soup.find('script', attrs={'data-react-helmet': 'true', 'type': 'application/ld+json'})
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if content is None:
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raise SiteDownloaderError('Could not read the page source')
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try:
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out = json.loads(content.contents[0])['video']['contentUrl']
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except (IndexError, KeyError):
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raise SiteDownloaderError('Failed to find JSON data in page')
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except json.JSONDecodeError as e:
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raise SiteDownloaderError(f'Received data was not valid JSON: {e}')
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return out
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