55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
"""Use mediawiki API to look up images on Wikimedia Commons."""
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import urllib.parse
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import requests
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from . import utils
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commons_start = "http://commons.wikimedia.org/wiki/Special:FilePath/"
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commons_url = "https://www.wikidata.org/w/api.php"
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page_size = 50
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def commons_uri_to_filename(uri: str) -> str:
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"""Given the URI for a file on commons return the filename of the file."""
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return urllib.parse.unquote(utils.drop_start(uri, commons_start))
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def api_call(params: dict[str, str | int]) -> requests.models.Response:
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"""Make an API call."""
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call_params = {
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"format": "json",
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"formatversion": 2,
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**params,
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}
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return requests.get(commons_url, params=call_params, timeout=5)
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def image_detail(filenames, thumbheight=None, thumbwidth=None):
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"""Detail for multiple images."""
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params = {
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"action": "query",
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"prop": "imageinfo",
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"iiprop": "url",
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}
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if thumbheight is not None:
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params["iiurlheight"] = thumbheight
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if thumbwidth is not None:
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params["iiurlwidth"] = thumbwidth
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images = {}
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for cur in utils.chunk(filenames, page_size):
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call_params = params.copy()
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call_params["titles"] = "|".join(f"File:{f}" for f in cur)
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r = api_call(call_params)
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for image in r.json()["query"]["pages"]:
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filename = utils.drop_start(image["title"], "File:")
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images[filename] = image["imageinfo"][0] if "imageinfo" in image else None
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return images
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