diff --git a/bdfr/site_downloaders/gallery.py b/bdfr/site_downloaders/gallery.py index 2c59c05..b3bae26 100644 --- a/bdfr/site_downloaders/gallery.py +++ b/bdfr/site_downloaders/gallery.py @@ -5,6 +5,7 @@ import re from typing import Optional import bs4 +import requests from praw.models import Submission from bdfr.exceptions import SiteDownloaderError @@ -20,21 +21,21 @@ class Gallery(BaseDownloader): super().__init__(post) def find_resources(self, authenticator: Optional[SiteAuthenticator] = None) -> list[Resource]: - image_urls = self._get_links(self.post.url) + image_urls = self._get_links(self.post.gallery_data['items']) if not image_urls: raise SiteDownloaderError('No images found in Reddit gallery') return [Resource(self.post, url) for url in image_urls] - @staticmethod - def _get_links(url: str) -> list[str]: - resource_headers = { - 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)' - ' Chrome/67.0.3396.87 Safari/537.36 OPR/54.0.2952.64', - 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8', - } - page = Gallery.retrieve_url(url, headers=resource_headers) - soup = bs4.BeautifulSoup(page.text, 'html.parser') - - links = soup.findAll('a', attrs={'target': '_blank', 'href': re.compile(r'https://preview\.redd\.it.*')}) - links = [link.get('href') for link in links] - return links + @ staticmethod + def _get_links(id_dict: list[dict]) -> list[str]: + out = [] + for item in id_dict: + image_id = item['media_id'] + possible_extensions = ('.jpg', '.png', '.gif', '.gifv', '.jpeg') + for extension in possible_extensions: + test_url = f'https://i.redd.it/{image_id}{extension}' + response = requests.head(test_url) + if response.status_code == 200: + out.append(test_url) + break + return out diff --git a/tests/site_downloaders/test_gallery.py b/tests/site_downloaders/test_gallery.py index e903e04..857f148 100644 --- a/tests/site_downloaders/test_gallery.py +++ b/tests/site_downloaders/test_gallery.py @@ -8,30 +8,32 @@ from bdfr.site_downloaders.gallery import Gallery @pytest.mark.online -@pytest.mark.parametrize(('test_url', 'expected'), ( - ('https://www.reddit.com/gallery/m6lvrh', { - 'https://preview.redd.it/18nzv9ch0hn61.jpg?width=4160&' - 'format=pjpg&auto=webp&s=470a825b9c364e0eace0036882dcff926f821de8', - 'https://preview.redd.it/jqkizcch0hn61.jpg?width=4160&' - 'format=pjpg&auto=webp&s=ae4f552a18066bb6727676b14f2451c5feecf805', - 'https://preview.redd.it/k0fnqzbh0hn61.jpg?width=4160&' - 'format=pjpg&auto=webp&s=c6a10fececdc33983487c16ad02219fd3fc6cd76', - 'https://preview.redd.it/m3gamzbh0hn61.jpg?width=4160&' - 'format=pjpg&auto=webp&s=0dd90f324711851953e24873290b7f29ec73c444' +@pytest.mark.parametrize(('test_ids', 'expected'), ( + ([ + {'media_id': '18nzv9ch0hn61'}, + {'media_id': 'jqkizcch0hn61'}, + {'media_id': 'k0fnqzbh0hn61'}, + {'media_id': 'm3gamzbh0hn61'}, + ], { + 'https://i.redd.it/18nzv9ch0hn61.jpg', + 'https://i.redd.it/jqkizcch0hn61.jpg', + 'https://i.redd.it/k0fnqzbh0hn61.jpg', + 'https://i.redd.it/m3gamzbh0hn61.jpg' }), - ('https://www.reddit.com/gallery/ljyy27', { - 'https://preview.redd.it/04vxj25uqih61.png?width=92&' - 'format=png&auto=webp&s=6513f3a5c5128ee7680d402cab5ea4fb2bbeead4', - 'https://preview.redd.it/0fnx83kpqih61.png?width=241&' - 'format=png&auto=webp&s=655e9deb6f499c9ba1476eaff56787a697e6255a', - 'https://preview.redd.it/7zkmr1wqqih61.png?width=237&' - 'format=png&auto=webp&s=19de214e634cbcad9959f19570c616e29be0c0b0', - 'https://preview.redd.it/u37k5gxrqih61.png?width=443&' - 'format=png&auto=webp&s=e74dae31841fe4a2545ffd794d3b25b9ff0eb862' + ([ + {'media_id': '04vxj25uqih61'}, + {'media_id': '0fnx83kpqih61'}, + {'media_id': '7zkmr1wqqih61'}, + {'media_id': 'u37k5gxrqih61'}, + ], { + 'https://i.redd.it/04vxj25uqih61.png', + 'https://i.redd.it/0fnx83kpqih61.png', + 'https://i.redd.it/7zkmr1wqqih61.png', + 'https://i.redd.it/u37k5gxrqih61.png' }), )) -def test_gallery_get_links(test_url: str, expected: set[str]): - results = Gallery._get_links(test_url) +def test_gallery_get_links(test_ids: list[dict], expected: set[str]): + results = Gallery._get_links(test_ids) assert set(results) == expected @@ -39,16 +41,20 @@ def test_gallery_get_links(test_url: str, expected: set[str]): @pytest.mark.reddit @pytest.mark.parametrize(('test_submission_id', 'expected_hashes'), ( ('m6lvrh', { - '6c8a892ae8066cbe119218bcaac731e1', - '93ce177f8cb7994906795f4615114d13', - '9a293adf19354f14582608cf22124574', - 'b73e2c3daee02f99404644ea02f1ae65' + '5c42b8341dd56eebef792e86f3981c6a', + '8f38d76da46f4057bf2773a778e725ca', + 'f5776f8f90491c8b770b8e0a6bfa49b3', + 'fa1a43c94da30026ad19a9813a0ed2c2', }), ('ljyy27', { - '1bc38bed88f9c4770e22a37122d5c941', - '2539a92b78f3968a069df2dffe2279f9', - '37dea50281c219b905e46edeefc1a18d', - 'ec4924cf40549728dcf53dd40bc7a73c' + '359c203ec81d0bc00e675f1023673238', + '79262fd46bce5bfa550d878a3b898be4', + '808c35267f44acb523ce03bfa5687404', + 'ec8b65bdb7f1279c4b3af0ea2bbb30c3', + }), + ('nxyahw', { + 'b89a3f41feb73ec1136ec4ffa7353eb1', + 'cabb76fd6fd11ae6e115a2039eb09f04', }), )) def test_gallery_download(test_submission_id: str, expected_hashes: set[str], reddit_instance: praw.Reddit):