--[[
version dated 2021-02-22
Module:Wikidata table
--]]
local p = {}
local debugging = false
local sep = ", " -- separator for multiple values of same property, changed from "<br>"
local sep2 = "<br>" -- separator for values of different properties
-- Internationalisation
-- takes optional string language code (e.g. "en") and returns a language object
local findLang = function(langcode)
local langobj
langcode = mw.text.trim(langcode or "")
if mw.language.isKnownLanguageTag(langcode) then
langobj = mw.language.new( langcode )
else
langcode = mw.getCurrentFrame():preprocess( '{{int:lang}}' )
if mw.language.isKnownLanguageTag(langcode) then
langobj = mw.language.new( langcode )
else
langobj = mw.language.getContentLanguage()
end
end
return langobj
end
local currentlang = findLang().code
local i18n = {
filespace = "File",
editonwikidata = "Edit this on Wikidata",
ordinal = {
[1] = "st",
[2] = "nd",
[3] = "rd",
["default"] = "th"
},
}
local months = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }
local mnths = {}
for idx, val in ipairs(months) do
mnths[idx] = val:sub(1,3)
end
-- makeOrdinal needs to be internationalised along with the above i18n
-- takes cardinal number as a numeric and returns the ordinal as a string
-- we need three exceptions in English for 1st, 2nd, 3rd, 21st, .. 31st, etc.
-------------------------------------------------------------------------------
p.makeOrdinal = function(cardinal)
local card = tonumber(cardinal)
if not card then return cardinal end
local ordsuffix = i18n.ordinal.default
if card % 10 == 1 then
ordsuffix = i18n.ordinal[1]
elseif card % 10 == 2 then
ordsuffix = i18n.ordinal[2]
elseif card % 10 == 3 then
ordsuffix = i18n.ordinal[3]
end
-- In English, 1, 21, 31, etc. use 'st', but 11, 111, etc. use 'th'
-- similarly for 12 and 13, etc.
if (card % 100 == 11) or (card % 100 == 12) or (card % 100 == 13) then
ordsuffix = i18n.ordinal.default
end
return card .. ordsuffix
end
local unitsymbol = {
inch = "in",
foot = "ft",
yard = "yd",
mile = "mi",
["nautical mile"] = "nmi",
metar = "m",
centimetar = "cm",
milimetar = "mm",
kilometar = "km",
acre = "acres",
hektar = "ha"
}
-- prefixes for particular qualifiers
local prefix = {
P580 = "from ",
P582 = "until ",
}
-- external ids which have a formatter url (P1630)
local formaturl = {
P3563 = "https://wikidata-externalid-url.toolforge.org/?url=https%3A%2F%2Fmsi.nga.mil%2FqueryResults%3Fpublications%2Fngalol%2Flights-buoys%3Fvolume%3D%251%26featureNumber%3D%252%26includeRemovals%3Dfalse%26output%3Dhtml&exp=(%5Cd%7B3%7D)-(.*)&id=$1", -- NGA number
P613 = "http://nearby.org.uk/coord.cgi?p=$1", -- OS grid reference
P373 = "https://commons.wikimedia.org/wiki/Category:$1", -- Commons category
}
-- date format default to dmy
local df = "dmy"
-- fallbacks for common properties:
-- property-to-fallback-from = "property-to-fallback-to"
local fallback = {
P276 = "P131",
P571 = "P1619",
P729 = "P571",
P4755 = "P296"
}
-- error messages
local function errmsg(txt)
if debugging then
return "Error: " .. txt
else
return nil
end
end
-- formats the first character of linked item to uppercase
local function ucf(lnk)
local tbl = mw.text.split( lnk, "|", true )
local ret
if tbl[2] then -- piped link
tbl[2] = tbl[2]:gsub("^(%l)", mw.ustring.upper)
ret = table.concat(tbl, "|")
elseif lnk:sub(1,2) == "[[" then -- unpiped link
ret = lnk:gsub("^(%[%[%l)", mw.ustring.upper)
else -- unlinked
ret = lnk:gsub("^(%l)", mw.ustring.upper)
end
return ret
end
-- entrypoint for invoke
function p.ucf(frame)
return ucf(frame.args.text or "")
end
-- return a number rounded to a precision
local function decimalprecision(x, prec)
local s = 1
if x < 0 then
x = -x
s = -1
end
-- if prec is not suplied, pick an arbitrary precision
if not tonumber(prec) then prec = 1e-4
elseif prec > 1 then prec = 1
elseif prec < 1e-6 then prec = 1e-6
else prec = 10 ^ math.floor(math.log10(prec))
end
x = math.floor(x / prec + 0.5) * prec * s
-- if it's integral, cast to an integer:
if x == math.floor(x) then x = math.floor(x) end
-- if it's less than 1e-4, it will be in exponent form, so return a string with 6dp
-- 9e-5 becomes 0.000090
if math.abs(x) < 1e-4 then x = string.format("%f", x) end
return x
end
-- creates an icon that links to the relevant Wikidata entity
local function createicon(entityID, propertyID, langcode)
langcode = langcode or ""
if not entityID or entityID == "" then entityID= mw.wikibase.getEntityIdForCurrentPage() end
propertyID = propertyID or ""
local icon = " <span class='penicon autoconfirmed-show'>[["
-- " <span data-bridge-edit-flow='overwrite' class='penicon'>[[" -> enable Wikidata Bridge
.. i18n.filespace
.. ":OOjs UI icon edit-ltr-progressive.svg |frameless |text-top |10px |alt="
.. i18n.editonwikidata
.. "|link=https://www.wikidata.org/wiki/" .. entityID
if langcode ~= "" then icon = icon .. "?uselang=" .. langcode end
if propertyID ~= "" then icon = icon .. "#" .. propertyID end
icon = icon .. "|" .. i18n.editonwikidata .. "]]</span>"
return icon
end
-- takes a statement tuple supplied from Wikidata and returns any references
function p._getrefs(statement)
if not statement.references then return nil end
local rtbl = {}
local frm = mw.getCurrentFrame()
for idx, ref in ipairs(statement.references) do
if ref.snaks.P854 then -- reference url
local url = ref.snaks.P854[1].datavalue.value
if ref.snaks.P1476 then -- title (monolingual text)
local title
for idx1, titles in ipairs(ref.snaks.P1476) do
if titles.datavalue.value.language == currentlang then
title = titles.datavalue.value.text
local citeweb = frm:expandTemplate{ title = "Cite web", args = { url=url, title=title } }
local hash = "WD" .. mw.hash.hashValue("crc32", citeweb)
rtbl[#rtbl+1] = frm:callParserFunction{ name = "#tag:ref", args = { citeweb, name=hash } }
break
end
end
else
local hash = "WD" .. mw.hash.hashValue("crc32", url)
rtbl[#rtbl+1] = frm:callParserFunction{ name = "#tag:ref", args = { url, name=hash } }
end
end
if ref.snaks.P248 then -- stated in
local rqid = ref.snaks.P248[1].datavalue.value.id
local citeq = frm:expandTemplate{ title = "Cite Q", args = { rqid } }
rtbl[#rtbl+1] = frm:callParserFunction{ name = "#tag:ref", args = { citeq, name=rqid } }
end
end
return table.concat(rtbl)
end
-- takes a qid and attempts to return a linked name for it
-- otherwise an unlinked name; otherwise the qid
function p._getLink(qid)
local lbl = ""
local slink = mw.wikibase.sitelink(qid)
local label = mw.wikibase.getLabel(qid)
if slink and label then
if slink:lower() == label:lower() then
if label:find("^%u") then -- match label's case
lbl = "[[" .. slink:gsub("^(%l)", mw.ustring.upper) .. "]]"
else
lbl = "[[" .. slink:gsub("^(%u)", mw.ustring.lower) .. "]]"
end
else
lbl = "[[" .. slink .. "|" .. label .. "]]"
end
elseif slink then
lbl = "[[" .. slink .. "]]"
elseif label then
lbl = label
else
lbl = qid
end
return lbl
end
-- entrypoint for #invoke getLink
function p.getLink(frame)
local qid = (frame.args.qid or ""):upper()
if qid == "" then return nil end
return p._getLink(qid)
end
-- takes a snak for a time property and returns the date
local function _getDate(snak, prec)
local retval
retval = mw.wikibase.renderSnak(snak)
if prec == 7 then -- century
local num, txt = retval:match("^(%d+)%.(.+)$")
retval = p.makeOrdinal(num) .. txt
elseif prec == 9 then -- godina s točkom
retval = retval .. "."
elseif prec == 10 then
local m, y, e = retval:match("^(%D-) (%d+)(.*)")
retval = m .. " " .. y .. "." .. e
elseif prec == 11 then
local d, m, y, e = retval:match("^([1-9]%d?)%.? +(%D-) +(%d+)(.*)")
retval = d .. ". " .. m .. " " .. y .. "." .. e
end
return retval
end
-- takes a qid and a property id and returns the corresponding values or nil
-- maxvals greater than zero sets the maximum number of values to return
-- the string quals contains property ids of qualifiers to be returned ('-' is the separator)
function p._getWD(qid, pid, maxvals, quals)
maxvals = maxvals or 0
local ret = {}
for idx, prop in ipairs(mw.wikibase.getBestStatements(qid, pid)) do
local retval
if prop.mainsnak.snaktype ~= "value" then
break
end
local dtype = prop.mainsnak.datatype
local dval = prop.mainsnak.datavalue.value
if dtype == "wikibase-item" then
retval = p._getLink(dval.id)
elseif dtype == "monlingualtext" then
for idx1, vals in ipairs(dval) do
if vals.language == currentlang then
retval = vals.text
break
end
end
elseif dtype == "commonsMedia" or dtype == "url" then
retval = dval
elseif dtype == "external-id" or dtype == "string" then
if formaturl[pid] then
retval = "[" .. mw.ustring.gsub(formaturl[pid], "$1", dval) .. " " .. dval .. "]"
else
retval = dval
end
elseif dtype == "time" then
retval = _getDate(prop.mainsnak, dval.precision)
if dval.precision == 11 and df == "mdy" then
local d, m, y, e = retval:match("^(%d+) (%a+) (%d+)(.*)")
retval = m .. " " .. d .. ", " .. y .. e
end
elseif dtype == "quantity" then
local amount = tonumber(dval.amount)
local unitqid = string.match( dval.unit, "(Q%d+)" )
if unitqid then
local unit = mw.wikibase.getLabel(unitqid)
local symbol = unitsymbol[unit]
if symbol then
retval = amount .. " " .. symbol
-- retval = mw.getCurrentFrame():expandTemplate{ title = "cvt", args = {amount, symbol} }
else
retval = amount .. " " .. unit
end
else
retval = amount
end
elseif dtype == "globe-coordinate" then
local lat = decimalprecision(dval.latitude, dval.precision)
local long = decimalprecision(dval.longitude, dval.precision)
retval = "<span style='font-size:90%;'>"
.. mw.wikibase.formatValue(prop.mainsnak)
.. "</span>"
else
retval = dval
end
-- get references
retval = retval .. (p._getrefs(prop) or "")
-- get qualifiers
if quals and prop.qualifiers and retval then
local qtbl = {}
for qpid in quals:gmatch("P%d+") do
if prop.qualifiers[qpid] then
for i, qv in ipairs(prop.qualifiers[qpid]) do
local fqv
if qv.datatype == "globe-coordinate" then
fqv = mw.wikibase.formatValue(qv) -- linked
elseif qv.datatype == "time" then
fqv = _getDate(qv, qv.datavalue.value.precision)
if qv.datavalue.value.precision == 11 then -- trim to month
fqv = fqv:match("%d+ (.+)")
end
else
fqv = mw.wikibase.renderSnak(qv) -- plaintext
end
if fqv and fqv ~= "" then
qtbl[#qtbl+1] = (prefix[qpid] or "") .. fqv
end
end
end
end
if #qtbl > 0 then
retval = retval .. "<span style='font-size:90%;'> (" .. table.concat(qtbl, " ") .. ")</span>"
end
end
ret[#ret+1] = retval
if maxvals > 0 and #ret >= maxvals then break end
end
if #ret < 1 then
return nil
else
return table.concat(ret, sep)
end
end
-- entrypoint for #invoke getWD
function p.getWD(frame)
local qid = (frame.args.qid or ""):upper()
if qid == "" then return nil end
local pid = (frame.args.pid or ""):upper()
if pid == "" then return nil end
local maxvals = tonumber(frame.args.maxvals) or 0
local quals = (frame.args.quals or ""):upper()
if quals == "" then quals = nil end
return p._getWD(qid, pid, maxvals, quals)
end
-- make multiple table rows, one for each qid in args.qids,
-- with one table cell for each pid in args.pids
function p._makerows(args)
args.qids = (args.qids or ""):upper()
if args.qids == "" then return errmsg("missing qids") end
args.pids = (args.pids or ""):upper()
if args.pids == "" then return errmsg("missing pids") end
local qids, pids = {}, {}
for qid in args.qids:gmatch("Q%d+") do
qids[#qids+1] = qid
end
for pid in args.pids:gmatch("P%d+") do
pids[#pids+1] = pid
end
args.df = args.df or ""
if args.df ~= "" then df = args.df end
local out = ""
for r, qid in ipairs(qids) do
out = out .. "<tr>"
out = out .. "<th scope='row'>" .. p._getLink(qid) .. "</th>"
for c, pid in ipairs(pids) do
if pid == "P18" then -- image
local img = p._getWD(qid, pid, 1)
if img then
out = out .. "<td>[[File:" .. img .. "|100px]]</td>"
end
else
out = out .. "<td>" .. (p._getWD(qid, pid, 0) or " ") .. "</td>"
end
end
out = out .. "</tr>"
end
return out
end
-- entry point for #invoke makerows
function p.makerows(frame)
local args = {}
for key, value in pairs(frame:getParent().args) do
args[key] = value
end
for key, value in pairs(frame.args) do
args[key] = value
end
return p._makerows(args)
end
-- make a single table row, one cell per value passed in args.pids
-- each value may be a combination of properties and qualifiers
function p._makerow(args)
local qid = (args.qid or ""):upper():match("Q%d+")
-- qid can be nil if we want a row without wikidata
-- remove whitespace, uppercase, trap nil
args.pids = (args.pids or ""):upper():gsub("%s", "")
if args.pids == "" then return errmsg("missing pids") end
-- collect any parameters c1, c2, etc. as cell replacements; c1+, c2+, etc. as addenda
local cellrep, celladd = {}, {}
for key, value in pairs(args) do
local col = (type(key) == "string") and tonumber(key:match("^[Cc](%d+)$"))
if col then
cellrep[col] = value
end
end
for key, value in pairs(args) do
local col = (type(key) == "string") and tonumber(key:match("^[Cc](%d+)%+$"))
if col then
celladd[col] = value
end
end
-- set date format if passed
args.df = args.df or ""
if args.df ~= "" then df = args.df end
-- create the html to return
local out = "<tr>"
if cellrep[1] and qid then
out = out .. "<th scope='row'>" .. cellrep[1] .. createicon(qid) .. "</th>"
elseif not qid then
out = out .. "<th>" .. (cellrep[1] or " ") .. "</th>"
else
out = out .. "<th scope='row'>" .. ucf(p._getLink(qid)) .. (celladd[1] or "") .. createicon(qid) .. "</th>"
end
-- split args.pids at comma separators into sequence of cellpids (each may be like P12+P34/P456-P789)
local cellpids = mw.text.split(args.pids, ",+")
for c, val in ipairs(cellpids) do
if cellrep[c+1] then
out = out .. "<td>" .. cellrep[c+1] .. "</td>"
elseif not qid then
out = out .. "<td> </td>"
else
-- separate multiple properties in same cell, sep=+
local ptbl = {} -- sequence of values for one cell
for propandquals in mw.text.gsplit(val, "+", true) do
-- for each property, split off property from qualifiers, sep=/
local pid = mw.text.split(propandquals, "/")[1]:match("P%d+")
local quals = mw.text.split(propandquals, "/")[2]
if pid == "P18" then -- image
local img = p._getWD(qid, pid, 1)
if img then
ptbl[#ptbl+1] = "[[File:" .. img .. "|100px]]"
end
else
local wdval = p._getWD(qid, pid, 0, quals)
if not wdval and fallback[pid] then
wdval = p._getWD(qid, fallback[pid], 0, quals)
end
ptbl[#ptbl+1] = wdval and ucf(wdval)
end
end -- of loop through multiple properties in same cell
out = out .. "<td>" .. table.concat(ptbl, sep2) .. (celladd[c+1] or "") .. "</td>"
end
end -- of loop through all of the cells in the row
out = out .. "</tr>"
return out
end
-- entry point for #invoke makerow
function p.makerow(frame)
local args = {}
for key, value in pairs(frame:getParent().args) do
args[key] = value
end
for key, value in pairs(frame.args) do
args[key] = value
end
return p._makerow(args)
end
return p
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