local f = {}
f.args = args
local qid1, statements1 = parseInput(f, args[1], pid1)
-- parseInput nulls empty args[1] and returns args[1] if nothing on Wikidata
if not qid1 then return statements1 end
-- otherwise it returns the qid and a table for the statement
local onlysrc = parseParam(args.onlysourced or args.osd, true)
local maxvals = tonumber(args.maxvals) or 0
local qualID = mw.text.trim(args.qual or ""):upper
if qualID == "" then qualID = nil end
local out = {}
for k, v in ipairs(statements1) do
if not onlysrc or sourced(v) then
local snak = v.mainsnak
if snak.datatype == "wikibase-item" and snak.snaktype == "value" then
local qid2 = snak.datavalue.value.id
local statements2 = {}
if args.reqranks.b then
statements2 = mw.wikibase.getBestStatements(qid2, pid2)
else
statements2 = mw.wikibase.getAllStatements(qid2, pid2)
end
if statements2[1] then
local out2 = propertyvalueandquals(statements2, args, qualID)
out[#out+1] = assembleoutput(out2, args, qid2, pid2)
end
end -- of test for valid property1 value
end -- of test for sourced
if maxvals > 0 and #out >= maxvals then break end
end -- of loop through values of property1
return assembleoutput(out, args, qid1, pid1)
end  
p.getPropOfProp = function
local args= .args
if not args.prop1 and not args.pid1 then
args = :getParent.args
if not args.prop1 and not args.pid1 then return i18n.errors["No property supplied"] end
end  
return p._getPropOfProp(args)
end  
---
-- getAwardCat takes most of the usual parameters. If the item has values of P166 (award received),
-- then it examines each of those awards for P2517 (category for recipients of this award).
-- If it exists, it returns the corresponding category,
-- with the item's P734 (family name) as sort key, or no sort key if there is no family name.
-- The sort key may be overridden by the parameter |sortkey (alias |sk).
-- The usual whitelisting, blacklisting, onlysourced, etc. are implemented
---
-- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput;
---
p.getAwardCat = function
.args.reqranks = setRanks(.args.rank)
.args.langobj = findLang(.args.lang)
.args.lang = .args.langobj.code
local args = .args
args.sep = " "
local pid1 = args.prop1 or "P166"
local pid2 = args.prop2 or "P2517"
if pid1 == "" or pid2 == "" then return nil end
-- locally supplied value:
local localval = mw.text.trim(args[1] or "")
local qid1, statements1 = parseInput(, localval, pid1)
if not qid1 then return localval end
-- linkprefix (strip quotes)
local lp = (args.linkprefix or args.lp or ""):gsub('"', '')
-- sort key (strip quotes, hyphens and periods):
local sk = (args.sortkey or args.sk or ""):gsub('["-.]', '')
-- family name:
local famname = ""
if sk == "" then
local p734 = mw.wikibase.getBestStatements(qid1, "P734")[1]
local p734id = p734 and p734.mainsnak.snaktype == "value" and p734.mainsnak.datavalue.value.id or ""
famname = mw.wikibase.getSitelink(p734id) or ""
-- strip namespace and disambigation
local pos = famname:find(":") or 0
famname = famname:sub(pos+1):gsub("%s%(.+%)$", "")
if famname == "" then
local lbl = mw.wikibase.getLabel(p734id)
famname = lbl and mw.text.nowiki(lbl) or ""
end
end
local onlysrc = parseParam(args.onlysourced or args.osd, true)
local maxvals = tonumber(args.maxvals) or 0
local qualID = mw.text.trim(args.qual or ""):upper
if qualID == "" then qualID = nil end
local out = {}
for k, v in ipairs(statements1) do
if not onlysrc or sourced(v) then
local snak = v.mainsnak
if snak.datatype == "wikibase-item" and snak.snaktype == "value" then
local qid2 = snak.datavalue.value.id
local statements2 = {}
if args.reqranks.b then
statements2 = mw.wikibase.getBestStatements(qid2, pid2)
else
statements2 = mw.wikibase.getAllStatements(qid2, pid2)
end
if statements2[1] and statements2[1].mainsnak.snaktype == "value" then
local qid3 = statements2[1].mainsnak.datavalue.value.id
local sitelink = mw.wikibase.getSitelink(qid3)
-- if there's no local sitelink, create the sitelink from English label
if not sitelink then
local lbl = mw.wikibase.getLabelByLang(qid3, "en")
if lbl then
if lbl:sub(1,9) == "Category:" then
sitelink = mw.text.nowiki(lbl)
else
sitelink = "Category:" .. mw.text.nowiki(lbl)
end
end
end
if sitelink then
if sk ~= "" then
out[#out+1] = "" .. sk .. ""
elseif famname ~= "" then
out[#out+1] = "" .. famname .. ""
else
out[#out+1] = "" .. lp .. sitelink .. ""
end -- of check for sort keys
end -- of test for sitelink
end -- of test for category
end -- of test for wikibase item has a value
end -- of test for sourced
if maxvals > 0 and #out >= maxvals then break end
end -- of loop through values of property1
return assembleoutput(out, args, qid1, pid1)
end  
---
-- getIntersectCat takes most of the usual parameters.
-- The usual whitelisting, blacklisting, onlysourced, etc. are implemented
-- It takes two properties, |prop1 and |prop2 (e.g. occupation and country of citizenship)
-- Each property's value is a wiki-base entity
-- For each value of the first parameter (ranks implemented) it fetches the value's main category
-- and then each value of the second parameter (possibly substituting a simpler description)
-- then it returns all of the categories representing the intersection of those properties,
-- (e.g. Category:Actors from Canada). A joining term may be supplied (e.g. |join=from).
-- The item's P734 (family name) is the sort key, or no sort key if there is no family name.
-- The sort key may be overridden by the parameter |sortkey (alias |sk).
---
-- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput;
---
p.getIntersectCat = function
.args.reqranks = setRanks(.args.rank)
.args.langobj = findLang(.args.lang)
.args.lang = .args.langobj.code
local args = .args
args.sep = " "
args.linked = "no"
local pid1 = args.prop1 or "P106"
local pid2 = args.prop2 or "P27"
if pid1 == "" or pid2 == "" then return nil end
local qid, statements1 = parseInput(, "", pid1)
if not qid then return nil end
local qid, statements2 = parseInput(, "", pid2)
if not qid then return nil end
-- topics like countries may have different names in categories from their label in Wikidata
local subs_exists, subs = pcall(mw.loadData, "Module:WikidataIB/subs")
local join = args.join or ""
local onlysrc = parseParam(args.onlysourced or args.osd, true)
local maxvals = tonumber(args.maxvals) or 0
-- linkprefix (strip quotes)
local lp = (args.linkprefix or args.lp or ""):gsub('"', '')
-- sort key (strip quotes, hyphens and periods):
local sk = (args.sortkey or args.sk or ""):gsub('["-.]', '')
-- family name:
local famname = ""
if sk == "" then
local p734 = mw.wikibase.getBestStatements(qid, "P734")[1]
local p734id = p734 and p734.mainsnak.snaktype == "value" and p734.mainsnak.datavalue.value.id or ""
famname = mw.wikibase.getSitelink(p734id) or ""
-- strip namespace and disambigation
local pos = famname:find(":") or 0
famname = famname:sub(pos+1):gsub("%s%(.+%)$", "")
if famname == "" then
local lbl = mw.wikibase.getLabel(p734id)
famname = lbl and mw.text.nowiki(lbl) or ""
end
end
local cat1 = {}
for k, v in ipairs(statements1) do
if not onlysrc or sourced(v) then
-- get the ID representing the value of the property
local pvalID = (v.mainsnak.snaktype == "value") and v.mainsnak.datavalue.value.id
if pvalID then
-- get the topic's main category (P910) for that entity
local p910 = mw.wikibase.getBestStatements(pvalID, "P910")[1]
if p910 and p910.mainsnak.snaktype == "value" then
local tmcID = p910.mainsnak.datavalue.value.id
-- use sitelink or the English label for the cat
local cat = mw.wikibase.getSitelink(tmcID)
if not cat then
local lbl = mw.wikibase.getLabelByLang(tmcID, "en")
if lbl then
if lbl:sub(1,9) == "Category:" then
cat = mw.text.nowiki(lbl)
else
cat = "Category:" .. mw.text.nowiki(lbl)
end
end
end
cat1[#cat1+1] = cat
end -- of test for topic's main category exists
end -- of test for property has vaild value
end -- of test for sourced
if maxvals > 0 and #cat1 >= maxvals then break end
end