def GetCoverImage(page: pywikibot.Page):
'''
Gets the cover image name and url for a specific Page.
Returns (None, None) if no cover image is found.
'''
try:
return page.__lmd_cover_image
except:
pass
req = page.site._simple_request(action="query",
titles=page.title(),
prop="pageimages",
piprop="thumbnail|name",
pithumbsize=400)
data = req.submit()
assert "query" in data, "API request response lacks 'query' key"
assert "pages" in data["query"], "API request response lacks 'pages' key"
_, jpage = data["query"]["pages"].popitem()
if "thumbnail" in jpage:
page.__lmd_cover_image = (jpage["pageimage"],
jpage["thumbnail"]["source"])
else:
page.__lmd_cover_image = (None, None)
return page.__lmd_cover_image
