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local p = {}
local function getBestStatement(item_id, property_id)
if not(item_id) or not(mw.wikibase.isValidEntityId(item_id)) or not(mw.wikibase.entityExists(item_id)) then
return false
end
local statements = mw.wikibase.getBestStatements(item_id, property_id)
if not statements or #statements == 0 then
return false
end
local hasNoValue = ( statements[1].mainsnak and statements[1].mainsnak.snaktype == 'novalue' )
if hasNoValue then
return false
end
return statements[1]
end
function p.hasOSM(frame)
return getBestStatement(mw.wikibase.getEntityIdForCurrentPage(), 'P402') and 'yes' or 'no'
end
function p.main(frame)
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