62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
#!/usr/bin/env python3
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import json
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import re
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import urllib.parse
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from typing import Optional
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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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class Redgifs(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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media_urls = self._get_link(self.post.url)
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return [Resource(self.post, m, Resource.retry_download(m), None) for m in media_urls]
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@staticmethod
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def _get_link(url: str) -> set[str]:
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try:
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redgif_id = re.match(r'.*/(.*?)(\..{0,})?$', 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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content = Redgifs.retrieve_url(f'https://api.redgifs.com/v2/gifs/{redgif_id}')
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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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response_json = json.loads(content.text)
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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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out = set()
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try:
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if response_json['gif']['type'] == 1: # type 1 is a video
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out.add(response_json['gif']['urls']['hd'])
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elif response_json['gif']['type'] == 2: # type 2 is an image
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if response_json['gif']['gallery']:
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content = Redgifs.retrieve_url(
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f'https://api.redgifs.com/v2/gallery/{response_json["gif"]["gallery"]}')
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response_json = json.loads(content.text)
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out = {p['urls']['hd'] for p in response_json['gifs']}
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else:
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out.add(response_json['gif']['urls']['hd'])
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else:
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raise KeyError
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except (KeyError, AttributeError):
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raise SiteDownloaderError('Failed to find JSON data in page')
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# Update subdomain if old one is returned
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out = {re.sub('thumbs2', 'thumbs3', link) for link in out}
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out = {re.sub('thumbs3', 'thumbs4', link) for link in out}
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return out
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