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4b9644eb27
- apparently, PDIA switched from Angolia to AWS :/ - we no longer require an API key, but the AWS node might change, so we still have to extract the API url of the node - the response format is still the same, so no changes needed in that regard - closes #4989
146 lines
4.4 KiB
Python
146 lines
4.4 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""Public domain image archive"""
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from urllib.parse import urlencode, urlparse, urlunparse, parse_qsl
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from json import dumps
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from searx.network import get
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from searx.utils import extr
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from searx.exceptions import SearxEngineAccessDeniedException, SearxEngineException
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THUMBNAIL_SUFFIX = "?fit=max&h=360&w=360"
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"""
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Example thumbnail urls (from requests & html):
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- https://the-public-domain-review.imgix.net
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/shop/nov-2023-prints-00043.jpg
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?fit=max&h=360&w=360
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- https://the-public-domain-review.imgix.net
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/collections/the-history-of-four-footed-beasts-and-serpents-1658/
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8616383182_5740fa7851_o.jpg
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?fit=max&h=360&w=360
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Example full image urls (from html)
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- https://the-public-domain-review.imgix.net/shop/
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nov-2023-prints-00043.jpg
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?fit=clip&w=970&h=800&auto=format,compress
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- https://the-public-domain-review.imgix.net/collections/
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the-history-of-four-footed-beasts-and-serpents-1658/8616383182_5740fa7851_o.jpg
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?fit=clip&w=310&h=800&auto=format,compress
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The thumbnail url from the request will be cleaned for the full image link
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The cleaned thumbnail url will have THUMBNAIL_SUFFIX added to them, based on the original thumbnail parameters
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"""
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# about
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about = {
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"website": 'https://pdimagearchive.org',
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"use_official_api": False,
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"require_api_key": False,
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"results": 'JSON',
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}
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pdia_base_url = 'https://pdimagearchive.org'
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pdia_config_start = "/_astro/InfiniteSearch."
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pdia_config_end = ".js"
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categories = ['images']
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page_size = 20
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paging = True
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__CACHED_API_URL = None
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def _clean_url(url):
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parsed = urlparse(url)
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query = [(k, v) for (k, v) in parse_qsl(parsed.query) if k not in ['ixid', 's']]
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return urlunparse((parsed.scheme, parsed.netloc, parsed.path, parsed.params, urlencode(query), parsed.fragment))
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def _get_algolia_api_url():
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global __CACHED_API_URL # pylint:disable=global-statement
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if __CACHED_API_URL:
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return __CACHED_API_URL
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# fake request to extract api url
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resp = get(f"{pdia_base_url}/search/?q=")
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if resp.status_code != 200:
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raise LookupError("Failed to fetch config location (and as such the API url) for PDImageArchive")
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pdia_config_filepart = extr(resp.text, pdia_config_start, pdia_config_end)
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pdia_config_url = pdia_base_url + pdia_config_start + pdia_config_filepart + pdia_config_end
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resp = get(pdia_config_url)
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if resp.status_code != 200:
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raise LookupError("Failed to obtain AWS api url for PDImageArchive")
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api_url = extr(resp.text, 'const r="', '"', default=None)
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if api_url is None:
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raise LookupError("Couldn't obtain AWS api url for PDImageArchive")
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__CACHED_API_URL = api_url
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return api_url
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def _clear_cached_api_url():
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global __CACHED_API_URL # pylint:disable=global-statement
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__CACHED_API_URL = None
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def request(query, params):
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params['url'] = _get_algolia_api_url()
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params['method'] = 'POST'
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request_data = {
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'page': params['pageno'] - 1,
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'query': query,
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'hitsPerPage': page_size,
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'indexName': 'prod_all-images',
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}
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params['headers'] = {'Content-Type': 'application/json'}
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params['data'] = dumps(request_data)
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# http errors are handled manually to be able to reset the api url
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params['raise_for_httperror'] = False
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return params
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def response(resp):
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results = []
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json_data = resp.json()
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if resp.status_code == 403:
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_clear_cached_api_url()
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raise SearxEngineAccessDeniedException()
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if resp.status_code != 200:
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raise SearxEngineException()
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if 'results' not in json_data:
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return []
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for result in json_data['results'][0]['hits']:
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content = []
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if result.get("themes"):
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content.append("Themes: " + result['themes'])
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if result.get("encompassingWork"):
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content.append("Encompassing work: " + result['encompassingWork'])
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base_image_url = result['thumbnail'].split("?")[0]
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results.append(
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{
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'template': 'images.html',
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'url': _clean_url(f"{about['website']}/images/{result['objectID']}"),
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'img_src': _clean_url(base_image_url),
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'thumbnail_src': _clean_url(base_image_url + THUMBNAIL_SUFFIX),
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'title': f"{result['title'].strip()} by {result['artist']} {result.get('displayYear', '')}",
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'content': "\n".join(content),
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}
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)
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return results
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