Rename module

bdfr/site_downloaders/gfycat.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import json
+import re
+from typing import Optional
+
+from bs4 import BeautifulSoup
+from praw.models import Submission
+
+from bdfr.exceptions import SiteDownloaderError
+from bdfr.resource import Resource
+from bdfr.site_authenticator import SiteAuthenticator
+from bdfr.site_downloaders.gif_delivery_network import GifDeliveryNetwork
+
+
+class Gfycat(GifDeliveryNetwork):
+    def __init__(self, post: Submission):
+        super().__init__(post)
+
+    def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]:
+        return super().find_resources(authenticator)
+
+    @staticmethod
+    def _get_link(url: str) -> str:
+        gfycat_id = re.match(r'.*/(.*?)/?$', url).group(1)
+        url = 'https://gfycat.com/' + gfycat_id
+
+        response = Gfycat.retrieve_url(url)
+        if 'gifdeliverynetwork' in response.url:
+            return GifDeliveryNetwork._get_link(url)
+
+        soup = BeautifulSoup(response.text, 'html.parser')
+        content = soup.find('script', attrs={'data-react-helmet': 'true', 'type': 'application/ld+json'})
+
+        try:
+            out = json.loads(content.contents[0])['video']['contentUrl']
+        except (IndexError, KeyError) as e:
+            raise SiteDownloaderError(f'Failed to download Gfycat link {url}: {e}')
+        except json.JSONDecodeError as e:
+            raise SiteDownloaderError(f'Did not receive valid JSON data: {e}')
+        return out