Module:Wikidata: Difference between revisions

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-- vim: set noexpandtab ft=lua ts=4 sw=4:
require('strict')
 
local p = {}
local debug = false
 
 
-- This is used to get a value, or a comma separated list of them if multiple values exist
------------------------------------------------------------------------------
p.getValue = function(frame)
-- module local variables and functions
local propertyID = mw.text.trim(frame.args[1] or "")
 
local input_parm = mw.text.trim(frame.args[2] or "")
local wiki =
if input_parm == "FETCH_WIKIDATA" then
{
local entity = mw.wikibase.getEntityObject()
langcode = mw.language.getContentLanguage().code
local claims = entity.claims[propertyID]
}
if claims then
 
-- if wiki-linked value output as link if possible
-- internationalisation
if (claims[1] and claims[1].mainsnak.snaktype == "value" and claims[1].mainsnak.datavalue.type == "wikibase-entityid") then
local outi18n = {}
{
for k, v in pairs(claims) do
["errors"] =
local sitelink = mw.wikibase.sitelink("Q" .. v.mainsnak.datavalue.value["numeric-id"])
{
local label = mw.wikibase.label("Q" .. v.mainsnak.datavalue.value["numeric-id"])
["property-not-found"] = "Property not found.",
if label == nil then label = "Q" .. v.mainsnak.datavalue.value["numeric-id"] end
["entity-not-found"] = "Wikidata entity not found.",
["unknown-claim-type"] = "Unknown claim type.",
if sitelink then
["unknown-entity-type"] = "Unknown entity type.",
out[#out + 1] = "[[" .. sitelink .. "|" .. label .. "]]"
["qualifier-not-found"] = "Qualifier not found.",
else
["site-not-found"] = "Wikimedia project not found.",
out[#out + 1] = "[[:d:Q" .. v.mainsnak.datavalue.value["numeric-id"] .. "|" .. label .. "]]<abbr title='Article is not yet available in this wiki'>[*]</abbr>"
["unknown-datetime-format"] = "Unknown datetime format.",
end
["local-article-not-found"] = "Article is not yet available in this wiki."
end
},
return table.concat(out, ", ")
["datetime"] =
else
{
return entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value
-- $1 is a placeholder for the actual number
end
[0] = "$1 billion years", -- precision: billion years
else
[1] = "$100 million years", -- precision: hundred million years
return ""
[2] = "$10 million years", -- precision: ten million years
end
[3] = "$1 million years", -- precision: million years
[4] = "$100,000 years", -- precision: hundred thousand years
[5] = "$10,000 years", -- precision: ten thousand years
[6] = "$1 millennium", -- precision: millennium
[7] = "$1 century", -- precision: century
[8] = "$1s", -- precision: decade
-- the following use the format of #time parser function
[9] = "Y", -- precision: year,
[10] = "F Y", -- precision: month
[11] = "F j, Y", -- precision: day
[12] = "F j, Y ga", -- precision: hour
[13] = "F j, Y g:ia", -- precision: minute
[14] = "F j, Y g:i:sa", -- precision: second
["beforenow"] = "$1 BCE", -- how to format negative numbers for precisions 0 to 5
["afternow"] = "$1 CE", -- how to format positive numbers for precisions 0 to 5
["bc"] = '$1 "BCE"', -- how print negative years
["ad"] = "$1", -- how print positive years
-- the following are for function getDateValue() and getQualifierDateValue()
["default-format"] = "dmy", -- default value of the #3 (getDateValue) or
-- #4 (getQualifierDateValue) argument
["default-addon"] = "BC", -- default value of the #4 (getDateValue) or
-- #5 (getQualifierDateValue) argument
["prefix-addon"] = false, -- set to true for languages put "BC" in front of the
-- datetime string; or the addon will be suffixed
["addon-sep"] = " ", -- separator between datetime string and addon (or inverse)
["format"] = -- options of the 3rd argument
{
["mdy"] = "F j, Y",
["my"] = "F Y",
["y"] = "Y",
["dmy"] = "j F Y",
["ymd"] = "Y-m-d",
["ym"] = "Y-m"
}
},
["monolingualtext"] = '<span lang="%language">%text</span>',
["warnDump"] = "[[Category:Called function 'Dump' from module Wikidata]]",
["ordinal"] =
{
[1] = "st",
[2] = "nd",
[3] = "rd",
["default"] = "th"
}
}
 
if wiki.langcode ~= "en" then
--require("Module:i18n").loadI18n("Module:Wikidata/i18n", i18n)
-- got idea from [[:w:Module:Wd]]
local module_title; if ... == nil then
module_title = mw.getCurrentFrame():getTitle()
else
module_title = ...
return input_parm
end
require('Module:i18n').loadI18n(module_title..'/i18n', i18n)
end
 
-- this function needs to be internationalised along with the above:
p.getQualifierValue = function(frame)
-- takes cardinal numer as a numeric and returns the ordinal as a string
local propertyID = mw.text.trim(frame.args[1] or "")
-- we need three exceptions in English for 1st, 2nd, 3rd, 21st, .. 31st, etc.
local qualifierID = mw.text.trim(frame.args[2] or "")
local function makeOrdinal (cardinal)
local input_parm = mw.text.trim(frame.args[3] or "")
local ordsuffix = i18n.ordinal.default
if input_parm == "FETCH_WIKIDATA" then
if cardinal % 10 == 1 then
local entity = mw.wikibase.getEntity()
ordsuffix = i18n.ordinal[1]
if entity.claims[propertyID] ~= nil then
elseif cardinal % 10 == 2 then
local out = {}
ordsuffix = i18n.ordinal[2]
for k, v in pairs(entity.claims[propertyID]) do
elseif cardinal % 10 == 3 then
for k2, v2 in pairs(v.qualifiers[qualifierID]) do
ordsuffix = i18n.ordinal[3]
if v2.snaktype == 'value' then
end
if (mw.wikibase.sitelink("Q" .. v2.datavalue.value["numeric-id"])) then
-- In English, 1, 21, 31, etc. use 'st', but 11, 111, etc. use 'th'
out[#out + 1] = "[[" .. mw.wikibase.sitelink("Q" .. v2.datavalue.value["numeric-id"]) .. "]]"
-- similarly for 12 and 13, etc.
else
if (cardinal % 100 == 11) or (cardinal % 100 == 12) or (cardinal % 100 == 13) then
out[#out + 1] = "[[:d:Q" .. v2.datavalue.value["numeric-id"] .. "|" .. mw.wikibase.label("Q" .. v2.datavalue.value["numeric-id"]) .. "]]<abbr title='Article is not yet available in this wiki'>[*]</abbr>"
ordsuffix = i18n.ordinal.default
end
end
return tostring(cardinal) .. ordsuffix
end
end
 
return table.concat(out, ", ")
local function printError(code)
else
return '<span class="error">' .. (i18n.errors[code] or code) .. '</span>'
return ""
end
local function parseDateFormat(f, timestamp, addon, prefix_addon, addon_sep)
local year_suffix
local tstr = ""
local lang_obj = mw.language.new(wiki.langcode)
local f_parts = mw.text.split(f, 'Y', true)
for idx, f_part in pairs(f_parts) do
year_suffix = ''
if string.match(f_part, "x[mijkot]$") then
-- for non-Gregorian year
f_part = f_part .. 'Y'
elseif idx < #f_parts then
-- supress leading zeros in year
year_suffix = lang_obj:formatDate('Y', timestamp)
year_suffix = string.gsub(year_suffix, '^0+', '', 1)
end
tstr = tstr .. lang_obj:formatDate(f_part, timestamp) .. year_suffix
end
if addon ~= "" and prefix_addon then
return addon .. addon_sep .. tstr
elseif addon ~= "" then
return tstr .. addon_sep .. addon
else
return input_parmtstr
end
end
local function parseDateValue(timestamp, date_format, date_addon)
local prefix_addon = i18n["datetime"]["prefix-addon"]
local addon_sep = i18n["datetime"]["addon-sep"]
local addon = ""
 
-- check for negative date
-- This is used to get a value like 'male' (for property p21) which won't be linked and numbers without the thousand separators
if string.sub(timestamp, 1, 1) == '-' then
p.getRawValue = function(frame)
timestamp = '+' .. string.sub(timestamp, 2)
local propertyID = mw.text.trim(frame.args[1] or "")
addon = date_addon
local input_parm = mw.text.trim(frame.args[2] or "")
end
if input_parm == "FETCH_WIKIDATA" then
local _date_format = i18n["datetime"]["format"][date_format]
local entity = mw.wikibase.getEntityObject()
if _date_format ~= nil then
local claims = entity.claims[propertyID]
return parseDateFormat(_date_format, timestamp, addon, prefix_addon, addon_sep)
if claims then
local result = entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value
-- if number type: remove thousand separators
if (claims[1] and claims[1].mainsnak.snaktype == "value" and claims[1].mainsnak.datavalue.type == "quantity") then
result = mw.ustring.gsub(result, "(%d),(%d)", "%1%2")
end
return result
else
return ""
end
else
return printError("unknown-datetime-format")
return input_parm
end
end
 
-- This local function combines the year/month/day/BC/BCE handling of parseDateValue{}
p.getRawQualifierValue = function(frame)
-- with the millennium/century/decade handling of formatDate()
local propertyID = mw.text.trim(frame.args[1] or "")
local function parseDateFull(timestamp, precision, date_format, date_addon)
local qualifierID = mw.text.trim(frame.args[2] or "")
local prefix_addon = i18n["datetime"]["prefix-addon"]
local input_parm = mw.text.trim(frame.args[3] or "")
local addon_sep = i18n["datetime"]["addon-sep"]
if input_parm == "FETCH_WIKIDATA" then
local entityaddon = mw.wikibase.getEntity()""
 
if entity.claims[propertyID] ~= nil then
-- check for negative date
local out = {}
if string.sub(timestamp, 1, 1) == '-' then
for k, v in pairs(entity.claims[propertyID]) do
timestamp = '+' .. string.sub(timestamp, 2)
for k2, v2 in pairs(v.qualifiers[qualifierID]) do
addon = date_addon
if v2.snaktype == 'value' then
end
if v2.datavalue.value["numeric-id"] then
 
out[#out + 1] = mw.wikibase.label("Q" .. v2.datavalue.value["numeric-id"])
-- get the next four characters after the + (should be the year now in all cases)
else
-- ok, so this is dirty, but let's get it working first
out[#out + 1] = v2.datavalue.value
local intyear = tonumber(string.sub(timestamp, 2, 5))
end
if intyear == 0 and precision <= 9 then
end
return ""
end
end
 
local ret = table.concat(out, ", ")
-- precision is 10000 years or more
return string.upper(string.sub(ret, 1, 1)) .. string.sub(ret, 2)
if precision <= 5 then
local factor = 10 ^ ((5 - precision) + 4)
local y2 = math.ceil(math.abs(intyear) / factor)
local relative = mw.ustring.gsub(i18n.datetime[precision], "$1", tostring(y2))
if addon ~= "" then
-- negative date
relative = mw.ustring.gsub(i18n.datetime.beforenow, "$1", relative)
else
relative = mw.ustring.gsub(i18n.datetime.afternow, "$1", relative)
return ""
end
return relative
else
return input_parm
end
end
 
-- precision is decades (8), centuries (7) and millennia (6)
-- This is used to get a date value for date_of_birth (p569), etc. which won't be linked -- consolidate by testing if entity.claims[propertyID].mainsnak.datavalue.type is "time"
local era, card
-- Dates are stored as 28 characters if the year >99 -- e.g. +00000002014-01-01T00:00:00Z for 2014
if precision == 6 then
-- Dates are stored as 26 characters if the year =<99 -- e.g. +000000050-01-01T00:00:00Z for 50 CE
card = math.floor((intyear - 1) / 1000) + 1
p.getDateValue = function(frame)
era = mw.ustring.gsub(i18n.datetime[6], "$1", makeOrdinal(card))
local propertyID = mw.text.trim(frame.args[1] or "")
end
local input_parm = mw.text.trim(frame.args[2] or "")
if precision == 7 then
local date_format = mw.text.trim(frame.args[3] or "dmy")
card = math.floor((intyear - 1) / 100) + 1
if input_parm == "FETCH_WIKIDATA" then
era = mw.ustring.gsub(i18n.datetime[7], "$1", makeOrdinal(card))
local entity = mw.wikibase.getEntity()
end
if entity.claims[propertyID] ~= nil then
if precision == 8 then
local out = {}
era = mw.ustring.gsub(i18n.datetime[8], "$1", tostring(math.floor(math.abs(intyear) / 10) * 10))
local dt = {}
end
for k, v in pairs(entity.claims[propertyID]) do
if era then
if v.mainsnak.snaktype == 'value' then
if addon ~= "" then
local d = v.mainsnak.datavalue.value.time
era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.bc, '"', ""), "$1", era)
if #d > 26 then
dt.year = string.sub(d, 9, 12)
dt.month = string.sub(d, 14, 15)
dt.day = string.sub(d, 17, 18)
else
dt.year = string.sub(d, 9, 10)
dt.month = string.sub(d, 12, 13)
dt.day = string.sub(d, 15, 16)
end
if date_format == "mdy" then
out[#out + 1] = os.date("%B %e, %Y", os.time(dt))
elseif date_format == "my" then
out[#out + 1] = os.date("%B %Y", os.time(dt))
elseif date_format == "y" then
out[#out + 1] = os.date("%Y", os.time(dt))
else
out[#out + 1] = os.date("%e %B %Y", os.time(dt))
end
end
end
return table.concat(out, ", ")
else
era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.ad, '"', ""), "$1", era)
return ""
end
return era
end
 
local _date_format = i18n["datetime"]["format"][date_format]
if _date_format ~= nil then
-- check for precision is year and override supplied date_format
if precision == 9 then
_date_format = i18n["datetime"][9]
end
return parseDateFormat(_date_format, timestamp, addon, prefix_addon, addon_sep)
else
return printError("unknown-datetime-format")
return input_parm
end
end
 
-- the "qualifiers" and "snaks" field have a respective "qualifiers-order" and "snaks-order" field
p.getQualifierDateValue = function(frame)
-- use these as the second parameter and this function instead of the built-in "pairs" function
local propertyID = mw.text.trim(frame.args[1] or "")
-- to iterate over all qualifiers and snaks in the intended order.
local qualifierID = mw.text.trim(frame.args[2] or "")
local function orderedpairs(array, order)
local input_parm = mw.text.trim(frame.args[3] or "")
if not order then return pairs(array) end
local date_format = mw.text.trim(frame.args[4] or "dmy")
 
if input_parm == "FETCH_WIKIDATA" then
-- return iterator function
local entity = mw.wikibase.getEntity()
local i = 0
if entity.claims[propertyID] ~= nil then
return function()
local out = {}
local dti = {}i + 1
if order[i] then
for k, v in pairs(entity.claims[propertyID]) do
return order[i], array[order[i]]
for k2, v2 in pairs(v.qualifiers[qualifierID]) do
end
if v2.snaktype == 'value' then
end
local d = v2.datavalue.value.time
end
if #d > 26 then
 
dt.year = string.sub(d, 9, 12)
-- precision: 0 - billion years, 1 - hundred million years, ..., 6 - millennia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second
dt.month = string.sub(d, 14, 15)
local function normalizeDate(date)
dt.day = string.sub(d, 17, 18)
date = mw.text.trim(date, "+")
else
-- extract year
dt.year = string.sub(d, 9, 10)
local yearstr = mw.ustring.match(date, "^\-?%d+")
dt.month = string.sub(d, 12, 13)
local year = tonumber(yearstr)
dt.day = string.sub(d, 15, 16)
-- remove leading zeros of year
end
return year .. mw.ustring.sub(date, #yearstr + 1), year
if date_format == "mdy" then
end
out[#out + 1] = os.date("%B %e, %Y", os.time(dt))
 
elseif date_format == "my" then
local function formatDate(date, precision, timezone)
out[#out + 1] = os.date("%B %Y", os.time(dt))
precision = precision or 11
elseif date_format == "y" then
local date, year = normalizeDate(date)
out[#out + 1] = os.date("%Y", os.time(dt))
if year == 0 and precision <= 9 then return "" end
else
 
out[#out + 1] = os.date("%e %B %Y", os.time(dt))
-- precision is 10000 years or more
end
if precision <= 5 then
end
local factor = 10 ^ ((5 - precision) + 4)
end
local y2 = math.ceil(math.abs(year) / factor)
end
local relative = mw.ustring.gsub(i18n.datetime[precision], "$1", tostring(y2))
return table.concat(out, ", ")
if year < 0 then
relative = mw.ustring.gsub(i18n.datetime.beforenow, "$1", relative)
else
relative = mw.ustring.gsub(i18n.datetime.afternow, "$1", relative)
return ""
end
return relative
else
end
return input_parm
 
-- precision is decades, centuries and millennia
local era
if precision == 6 then era = mw.ustring.gsub(i18n.datetime[6], "$1", tostring(math.floor((math.abs(year) - 1) / 1000) + 1)) end
if precision == 7 then era = mw.ustring.gsub(i18n.datetime[7], "$1", tostring(math.floor((math.abs(year) - 1) / 100) + 1)) end
if precision == 8 then era = mw.ustring.gsub(i18n.datetime[8], "$1", tostring(math.floor(math.abs(year) / 10) * 10)) end
if era then
if year < 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.bc, '"', ""), "$1", era)
elseif year > 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.ad, '"', ""), "$1", era) end
return era
end
 
-- precision is year
if precision == 9 then
return year
end
 
-- precision is less than years
if precision > 9 then
--[[ the following code replaces the UTC suffix with the given negated timezone to convert the global time to the given local time
timezone = tonumber(timezone)
if timezone and timezone ~= 0 then
timezone = -timezone
timezone = string.format("%.2d%.2d", timezone / 60, timezone % 60)
if timezone[1] ~= '-' then timezone = "+" .. timezone end
date = mw.text.trim(date, "Z") .. " " .. timezone
end
]]--
 
local formatstr = i18n.datetime[precision]
if year == 0 then formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], "")
elseif year < 0 then
-- Mediawiki formatDate doesn't support negative years
date = mw.ustring.sub(date, 2)
formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.bc, "$1", i18n.datetime[9]))
elseif year > 0 and i18n.datetime.ad ~= "$1" then
formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.ad, "$1", i18n.datetime[9]))
end
return mw.language.new(wiki.langcode):formatDate(formatstr, date)
end
end
 
local function printDatavalueEntity(data, parameter)
-- This is used to get the TA98 (Terminologia Anatomica first edition 1998) values like 'A01.1.00.005' (property P1323)
-- data fields: entity-type [string], numeric-id [int, Wikidata id]
-- which are then linked to http://www.unifr.ch/ifaa/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/01.1.00.005%20Entity%20TA98%20EN.htm
local id
-- uses the newer mw.wikibase calls instead of directly using the snaks
 
-- formatPropertyValues returns a table with the P1323 values concatenated with ", " so we have to split them out into a table in order to construct the return string
if data["entity-type"] == "item" then id = "Q" .. data["numeric-id"]
p.getTAValue = function(frame)
elseif data["entity-type"] == "property" then id = "P" .. data["numeric-id"]
local ent = mw.wikibase.getEntityObject()
else return printError("unknown-entity-type")
local props = ent:formatPropertyValues('P1323')
end
local out = {}
 
local t = {}
if parameter then
for k, v in pairs(props) do
if kparameter == 'value'"link" then
tlocal linkTarget = mw.textwikibase.splitgetSitelink( v, ", "id)
local linkName = mw.wikibase.getLabel(id)
for k2, v2 in pairs(t) do
if linkTarget then
out[#out + 1] = "[http://www.unifr.ch/ifaa/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/" .. string.sub(v2, 2) .. "%20Entity%20TA98%20EN.htm " .. v2 .. "]"
-- if there is a local Wikipedia article link to it using the label or the article title
return "[[" .. linkTarget .. "|" .. (linkName or linkTarget) .. "]]"
else
-- if there is no local Wikipedia article output the label or link to the Wikidata object to let the user input a proper label
if linkName then return linkName else return "[[:d:" .. id .. "|" .. id .. "]]" end
end
else
return data[parameter]
end
else
return mw.wikibase.getLabel(id) or id
end
ret = table.concat(out, "<br> ")
if #ret == 0 then
ret = "Invalid TA"
end
return ret
end
 
local function printDatavalueTime(data, parameter)
-- returns the page id (Q...) of the current page or nothing of the page is not connected to Wikidata
-- data fields: time [ISO 8601 time], timezone [int in minutes], before [int], after [int], precision [int], calendarmodel [wikidata URI]
function p.pageId(frame)
-- precision: 0 - billion years, 1 - hundred million years, ..., 6 - millennia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second
local entity = mw.wikibase.getEntityObject()
-- calendarmodel: e.g. http://www.wikidata.org/entity/Q1985727 for the proleptic Gregorian calendar or http://www.wikidata.org/wiki/Q11184 for the Julian calendar]
if not entity then return nil else return entity.id end
if parameter then
if parameter == "calendarmodel" then data.calendarmodel = mw.ustring.match(data.calendarmodel, "Q%d+") -- extract entity id from the calendar model URI
elseif parameter == "time" then data.time = normalizeDate(data.time) end
return data[parameter]
else
return formatDate(data.time, data.precision, data.timezone)
end
end
 
local function printDatavalueMonolingualText(data, parameter)
-- the "qualifiers" and "snaks" field have a respective "qualifiers-order" and "snaks-order" field
-- data fields: language [string], text [string]
-- use these as the second parameter and this function instead of the built-in "pairs" function
if parameter then
-- to iterate over all qualifiers and snaks in the intended order.
return data[parameter]
local function orderedpairs(array, order)
else
if not order then return pairs(array) end
local result = mw.ustring.gsub(mw.ustring.gsub(i18n.monolingualtext, "%%language", data["language"]), "%%text", data["text"])
-- return iterator functionresult
end
local i = 0
return function()
i = i + 1
if order[i] then
return order[i], array[order[i]]
end
end
end
 
local function findClaims(entity, property)
if not property or not entity or not entity.claims then return end
 
if mw.ustring.match(property, "^P%d+$") then
-- if the property is given by an id (P..) access the claim list by this id
return entity.claims[property]
else
property = mw.wikibase.resolvePropertyId(property)
-- otherwise, iterate over all properties, fetch their labels and compare this to the given property name
if not property then return end
for k, v in pairs(entity.claims) do
 
if mw.wikibase.label(k) == property then return v end
return entity.claims[property]
end
return
end
end
 
local function getSnakValue(snak, parameter)
if snak.snaktype == "value" then
-- snaks have three types: "novalue" for null/nil, "somevalue" for not null/not nil, or "value" for actual data
-- call the respective snak parser
if snak.snaktype == "novalue" then return i18n["novalue"]
elseif if snak.snaktypedatavalue.type == "somevaluestring" then return i18n["somevalue"]snak.datavalue.value
elseif snak.snaktypedatavalue.type ~== "valueglobecoordinate" then return nil, printErrorprintDatavalueCoordinate("unknown-snak-type".datavalue.value, parameter)
elseif snak.datavalue.type == "quantity" then return printDatavalueQuantity(snak.datavalue.value, parameter)
end
elseif snak.datavalue.type == "time" then return printDatavalueTime(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "wikibase-entityid" then return printDatavalueEntity(snak.datavalue.value, parameter)
-- call the respective snak parser
if elseif snak.datavalue.type == "stringmonolingualtext" then return printDatavalueMonolingualText(snak.datavalue.value, parameter)
end
elseif snak.datavalue.type == "globecoordinate" then return printDatavalueCoordinate(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "quantity" then return printDatavalueQuantity(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "time" then return printDatavalueTime(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "wikibase-entityid" then return printDatavalueEntity(snak.datavalue.value, parameter)
elseif snak.datavalue.type == "monolingualtext" then return printDatavalueMonolingualText(snak.datavalue.value, parameter)
else return nil, printError("unknown-datavalue-type")
end
return mw.wikibase.renderSnak(snak)
end
 
local function getQualifierSnak(claim, qualifierId)
-- a "snak" is Wikidata terminology for a typed key/value pair
-- a claim consists of a main snak holding the main information of this claim,
Line 298 ⟶ 405:
end
end
 
local function getValueOfClaim(claim, qualifierId, parameter)
local error
local snak
Line 310 ⟶ 417:
end
 
local function getReferences(frame, claim)
local result = ""
-- traverse through all references
Line 319 ⟶ 426:
if refparts then refparts = refparts .. ", " else refparts = "" end
-- output the label of the property of the reference part, e.g. "imported from" for P143
refparts = refparts .. tostring(mw.wikibase.labelgetLabel(snakkey)) .. ": "
-- output all values of this reference part, e.g. "German Wikipedia" and "English Wikipedia" if the referenced claim was imported from both sites
for snakidx = 1, #snakval do
Line 326 ⟶ 433:
end
end
if refparts then result = result .. frame:extensionTag("<ref>" .., refparts .. "</ref>") end
end
return result
end
 
local function parseInput(frame)
local qid = frame.args.qid
if qid and (#qid == 0) then qid = nil end
local propertyID = mw.text.trim(frame.args[1] or "")
local input_parm = mw.text.trim(frame.args[2] or "")
if input_parm ~= "FETCH_WIKIDATA" then
return false, input_parm, nil, nil
end
local entity = mw.wikibase.getEntity(qid)
local claims
if entity and entity.claims then
claims = entity.claims[propertyID]
if not claims then
return false, "", nil, nil
end
else
return false, "", nil, nil
end
return true, entity, claims, propertyID
end
local function isType(claims, type)
return claims[1] and claims[1].mainsnak.snaktype == "value" and claims[1].mainsnak.datavalue.type == type
end
local function getValue(entity, claims, propertyID, delim, labelHook)
if labelHook == nil then
labelHook = function (qnumber)
return nil;
end
end
if isType(claims, "wikibase-entityid") then
local out = {}
for k, v in pairs(claims) do
local qnumber = "Q" .. v.mainsnak.datavalue.value["numeric-id"]
local sitelink = mw.wikibase.getSitelink(qnumber)
local label = labelHook(qnumber) or mw.wikibase.getLabel(qnumber) or qnumber
if sitelink then
out[#out + 1] = "[[" .. sitelink .. "|" .. label .. "]]"
else
out[#out + 1] = "[[:d:" .. qnumber .. "|" .. label .. "]]<abbr title='" .. i18n["errors"]["local-article-not-found"] .. "'>[*]</abbr>"
end
end
return table.concat(out, delim)
else
-- just return best values
return entity:formatPropertyValues(propertyID).value
end
end
 
------------------------------------------------------------------------------
-- module global functions
 
if debug then
function p.inspectI18n(frame)
local val = i18n
for _, key in pairs(frame.args) do
key = mw.text.trim(key)
val = val[key]
end
return val
end
end
 
function p.descriptionIn(frame)
local langcode = frame.args[1]
local id = frame.args[2]
-- return description of a Wikidata entity in the given language or the default language of this Wikipedia site
return mw.wikibase.getEntity(id):getDescription(langcode or wiki.langcode)
end
 
function p.labelIn(frame)
local langcode = frame.args[1]
local id = frame.args[2]
-- return label of a Wikidata entity in the given language or the default language of this Wikipedia site
return mw.wikibase.getEntity(id):getLabel(langcode or wiki.langcode)
end
 
-- This is used to get a value, or a comma separated list of them if multiple values exist
p.getValue = function(frame)
local delimdefault = ", " -- **internationalise later**
local delim = frame.args.delimiter or ""
delim = string.gsub(delim, '"', '')
if #delim == 0 then
delim = delimdefault
end
local go, errorOrentity, claims, propertyID = parseInput(frame)
if not go then
return errorOrentity
end
return getValue(errorOrentity, claims, propertyID, delim)
end
 
-- Same as above, but uses the short name property for label if available.
p.getValueShortName = function(frame)
local go, errorOrentity, claims, propertyID = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
-- if wiki-linked value output as link if possible
local function labelHook (qnumber)
local label
local claimEntity = mw.wikibase.getEntity(qnumber)
if claimEntity ~= nil then
if claimEntity.claims.P1813 then
for k2, v2 in pairs(claimEntity.claims.P1813) do
if v2.mainsnak.datavalue.value.language == "en" then
label = v2.mainsnak.datavalue.value.text
end
end
end
end
if label == nil or label == "" then return nil end
return label
end
return getValue(errorOrentity, claims, propertyID, ", ", labelHook);
end
 
-- This is used to get a value, or a comma separated list of them if multiple values exist
-- from an arbitrary entry by using its QID.
-- Use : {{#invoke:Wikidata|getValueFromID|<ID>|<Property>|FETCH_WIKIDATA}}
-- E.g.: {{#invoke:Wikidata|getValueFromID|Q151973|P26|FETCH_WIKIDATA}} - to fetch value of 'spouse' (P26) from 'Richard Burton' (Q151973)
-- Please use sparingly - this is an *expensive call*.
p.getValueFromID = function(frame)
local itemID = mw.text.trim(frame.args[1] or "")
local propertyID = mw.text.trim(frame.args[2] or "")
local input_parm = mw.text.trim(frame.args[3] or "")
if input_parm == "FETCH_WIKIDATA" then
local entity = mw.wikibase.getEntity(itemID)
local claims
if entity and entity.claims then
claims = entity.claims[propertyID]
end
if claims then
return getValue(entity, claims, propertyID, ", ")
else
return ""
end
else
return input_parm
end
end
local function getQualifier(frame, outputHook)
local propertyID = mw.text.trim(frame.args[1] or "")
local qualifierID = mw.text.trim(frame.args[2] or "")
local input_parm = mw.text.trim(frame.args[3] or "")
if input_parm == "FETCH_WIKIDATA" then
local entity = mw.wikibase.getEntity()
if entity.claims[propertyID] ~= nil then
local out = {}
for k, v in pairs(entity.claims[propertyID]) do
for k2, v2 in pairs(v.qualifiers[qualifierID]) do
if v2.snaktype == 'value' then
out[#out + 1] = outputHook(v2);
end
end
end
return table.concat(out, ", "), true
else
return "", false
end
else
return input_parm, false
end
end
p.getQualifierValue = function(frame)
local function outputValue(value)
local qnumber = "Q" .. value.datavalue.value["numeric-id"]
if (mw.wikibase.getSitelink(qnumber)) then
return "[[" .. mw.wikibase.getSitelink(qnumber) .. "]]"
else
return "[[:d:" .. qnumber .. "|" ..qnumber .. "]]<abbr title='" .. i18n["errors"]["local-article-not-found"] .. "'>[*]</abbr>"
end
end
return (getQualifier(frame, outputValue))
end
 
-- This is used to get a value like 'male' (for property p21) which won't be linked and numbers without the thousand separators
p.getRawValue = function(frame)
local go, errorOrentity, claims, propertyID = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
local result = entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value
-- if number type: remove thousand separators, bounds and units
if isType(claims, "quantity") then
result = mw.ustring.gsub(result, "(%d),(%d)", "%1%2")
result = mw.ustring.gsub(result, "(%d)±.*", "%1")
end
return result
end
 
-- This is used to get the unit name for the numeric value returned by getRawValue
p.getUnits = function(frame)
local go, errorOrentity, claims, propertyID = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
local result = entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value
if isType(claims, "quantity") then
result = mw.ustring.sub(result, mw.ustring.find(result, " ")+1, -1)
end
return result
end
 
-- This is used to get the unit's QID to use with the numeric value returned by getRawValue
p.getUnitID = function(frame)
local go, errorOrentity, claims = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
local result
if isType(claims, "quantity") then
-- get the url for the unit entry on Wikidata:
result = claims[1].mainsnak.datavalue.value.unit
-- and just reurn the last bit from "Q" to the end (which is the QID):
result = mw.ustring.sub(result, mw.ustring.find(result, "Q"), -1)
end
return result
end
 
p.getRawQualifierValue = function(frame)
local function outputHook(value)
if value.datavalue.value["numeric-id"] then
return mw.wikibase.getLabel("Q" .. value.datavalue.value["numeric-id"])
else
return value.datavalue.value
end
end
local ret, gotData = getQualifier(frame, outputHook)
if gotData then
ret = string.upper(string.sub(ret, 1, 1)) .. string.sub(ret, 2)
end
return ret
end
 
-- This is used to get a date value for date_of_birth (P569), etc. which won't be linked
-- Dates and times are stored in ISO 8601 format (sort of).
-- At present the local formatDate(date, precision, timezone) function doesn't handle timezone
-- So I'll just supply "Z" in the call to formatDate below:
p.getDateValue = function(frame)
local date_format = mw.text.trim(frame.args[3] or i18n["datetime"]["default-format"])
local date_addon = mw.text.trim(frame.args[4] or i18n["datetime"]["default-addon"])
local go, errorOrentity, claims = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
local out = {}
for k, v in pairs(claims) do
if v.mainsnak.datavalue.type == 'time' then
local timestamp = v.mainsnak.datavalue.value.time
local dateprecision = v.mainsnak.datavalue.value.precision
-- A year can be stored like this: "+1872-00-00T00:00:00Z",
-- which is processed here as if it were the day before "+1872-01-01T00:00:00Z",
-- and that's the last day of 1871, so the year is wrong.
-- So fix the month 0, day 0 timestamp to become 1 January instead:
timestamp = timestamp:gsub("%-00%-00T", "-01-01T")
out[#out + 1] = parseDateFull(timestamp, dateprecision, date_format, date_addon)
end
end
return table.concat(out, ", ")
end
p.getQualifierDateValue = function(frame)
local date_format = mw.text.trim(frame.args[4] or i18n["datetime"]["default-format"])
local date_addon = mw.text.trim(frame.args[5] or i18n["datetime"]["default-addon"])
local function outputHook(value)
local timestamp = value.datavalue.value.time
return parseDateValue(timestamp, date_format, date_addon)
end
return (getQualifier(frame, outputHook))
end
 
-- This is used to fetch all of the images with a particular property, e.g. image (P18), Gene Atlas Image (P692), etc.
-- Parameters are | propertyID | value / FETCH_WIKIDATA / nil | separator (default=space) | size (default=frameless)
-- It will return a standard wiki-markup [[File:Filename | size]] for each image with a selectable size and separator (which may be html)
-- e.g. {{#invoke:Wikidata|getImages|P18|FETCH_WIKIDATA}}
-- e.g. {{#invoke:Wikidata|getImages|P18|FETCH_WIKIDATA|<br>|250px}}
-- If a property is chosen that is not of type "commonsMedia", it will return empty text.
p.getImages = function(frame)
local sep = mw.text.trim(frame.args[3] or " ")
local imgsize = mw.text.trim(frame.args[4] or "frameless")
local go, errorOrentity, claims = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
if (claims[1] and claims[1].mainsnak.datatype == "commonsMedia") then
local out = {}
for k, v in pairs(claims) do
local filename = v.mainsnak.datavalue.value
out[#out + 1] = "[[File:" .. filename .. "|" .. imgsize .. "]]"
end
return table.concat(out, sep)
else
return ""
end
end
 
-- This is used to get the TA98 (Terminologia Anatomica first edition 1998) values like 'A01.1.00.005' (property P1323)
-- which are then linked to https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/01.1.00.005%20Entity%20TA98%20EN.htm
-- uses the newer mw.wikibase calls instead of directly using the snaks
-- formatPropertyValues returns a table with the P1323 values concatenated with ", " so we have to split them out into a table in order to construct the return string
p.getTAValue = function(frame)
local ent = mw.wikibase.getEntity()
local props = ent:formatPropertyValues('P1323')
local out = {}
local t = {}
for k, v in pairs(props) do
if k == 'value' then
t = mw.text.split( v, ", ")
for k2, v2 in pairs(t) do
out[#out + 1] = "[https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/" .. string.sub(v2, 2) .. "%20Entity%20TA98%20EN.htm " .. v2 .. "]"
end
end
end
local ret = table.concat(out, "<br> ")
if #ret == 0 then
ret = "Invalid TA"
end
return ret
end
 
--[[
This is used to return an image legend from Wikidata
image is property P18
image legend is property P2096
 
Call as {{#invoke:Wikidata |getImageLegend | <PARAMETER> | lang=<ISO-639code> |id=<QID>}}
Returns PARAMETER, unless it is equal to "FETCH_WIKIDATA", from Item QID (expensive call)
If QID is omitted or blank, the current article is used (not an expensive call)
If lang is omitted, it uses the local wiki language, otherwise it uses the provided ISO-639 language code
ISO-639: https://docs.oracle.com/cd/E13214_01/wli/docs92/xref/xqisocodes.html#wp1252447
 
Ranks are: 'preferred' > 'normal'
This returns the label from the first image with 'preferred' rank
Or the label from the first image with 'normal' rank if preferred returns nothing
Ranks: https://www.mediawiki.org/wiki/Extension:Wikibase_Client/Lua
]]
 
p.getImageLegend = function(frame)
-- look for named parameter id; if it's blank make it nil
local id = frame.args.id
if id and (#id == 0) then
id = nil
end
 
-- look for named parameter lang
-- it should contain a two-character ISO-639 language code
-- if it's blank fetch the language of the local wiki
local lang = frame.args.lang
if (not lang) or (#lang < 2) then
lang = mw.language.getContentLanguage().code
end
 
-- first unnamed parameter is the local parameter, if supplied
local input_parm = mw.text.trim(frame.args[1] or "")
if input_parm == "FETCH_WIKIDATA" then
local ent = mw.wikibase.getEntity(id)
local imgs
if ent and ent.claims then
imgs = ent.claims.P18
end
local imglbl
if imgs then
-- look for an image with 'preferred' rank
for k1, v1 in pairs(imgs) do
if v1.rank == "preferred" and v1.qualifiers and v1.qualifiers.P2096 then
local imglbls = v1.qualifiers.P2096
for k2, v2 in pairs(imglbls) do
if v2.datavalue.value.language == lang then
imglbl = v2.datavalue.value.text
break
end
end
end
end
-- if we don't find one, look for an image with 'normal' rank
if (not imglbl) then
for k1, v1 in pairs(imgs) do
if v1.rank == "normal" and v1.qualifiers and v1.qualifiers.P2096 then
local imglbls = v1.qualifiers.P2096
for k2, v2 in pairs(imglbls) do
if v2.datavalue.value.language == lang then
imglbl = v2.datavalue.value.text
break
end
end
end
end
end
end
return imglbl
else
return input_parm
end
end
 
-- This is used to get the QIDs of all of the values of a property, as a comma separated list if multiple values exist
-- Usage: {{#invoke:Wikidata |getPropertyIDs |<PropertyID> |FETCH_WIKIDATA}}
-- Usage: {{#invoke:Wikidata |getPropertyIDs |<PropertyID> |<InputParameter> |qid=<QID>}}
 
p.getPropertyIDs = function(frame)
local go, errorOrentity, propclaims = parseInput(frame)
if not go then
return errorOrentity
end
local entity = errorOrentity
-- if wiki-linked value collect the QID in a table
if (propclaims[1] and propclaims[1].mainsnak.snaktype == "value" and propclaims[1].mainsnak.datavalue.type == "wikibase-entityid") then
local out = {}
for k, v in pairs(propclaims) do
out[#out + 1] = "Q" .. v.mainsnak.datavalue.value["numeric-id"]
end
return table.concat(out, ", ")
else
-- not a wikibase-entityid, so return empty
return ""
end
end
 
-- returns the page id (Q...) of the current page or nothing of the page is not connected to Wikidata
function p.pageId(frame)
return mw.wikibase.getEntityIdForCurrentPage()
end
 
function p.claim(frame)
local property = frame.args[1] or ""
local id = frame.args["id"] -- "id" must be nil, as access to other Wikidata objects is disabled in Mediawiki configuration
local qualifierId = frame.args["qualifier"]
local parameter = frame.args["parameter"]
Line 341 ⟶ 876:
local default = frame.args["default"]
if default then showerrors = nil end
 
-- get wikidata entity
local entity = mw.wikibase.getEntityObjectgetEntity(id)
if not entity then
if showerrors then return printError("entity-not-found") else return default end
Line 352 ⟶ 887:
if showerrors then return printError("property-not-found") else return default end
end
 
-- get initial sort indices
local sortindices = {}
Line 361 ⟶ 896:
local comparator = function(a, b)
local rankmap = { deprecated = 2, normal = 1, preferred = 0 }
local ranka = rankmap[claims[a].rank or "normal"] .. string.format("%08d", a)
local rankb = rankmap[claims[b].rank or "normal"] .. string.format("%08d", b)
return ranka < rankb
end
table.sort(sortindices, comparator)
 
local result
local error
Line 375 ⟶ 910:
for idx in pairs(claims) do
local claim = claims[sortindices[idx]]
value, error = getValueOfClaim(claim, qualifierId, parameter)
if not value and showerrors then value = error end
if value and references then value = value .. getReferences(frame, claim) end
result[#result + 1] = value
end
result = table.concat(result, list)
else
-- return first element
local claim = claims[sortindices[1]]
result, error = getValueOfClaim(claim, qualifierId, parameter)
if result and references then result = result .. getReferences(frame, claim) end
end
 
if result then return result else
if showerrors then return error else return default end
end
end
 
-- look into entity object
function p.ViewSomething(frame)
local f = (frame.args[1] or frame.args.id) and frame or frame:getParent()
local id = f.args.id
if id and (#id == 0) then
id = nil
end
local data = mw.wikibase.getEntity(id)
if not data then
return nil
end
 
local i = 1
while true do
local index = f.args[i]
if not index then
if type(data) == "table" then
return mw.text.jsonEncode(data, mw.text.JSON_PRESERVE_KEYS + mw.text.JSON_PRETTY)
else
return tostring(data)
end
end
 
data = data[index] or data[tonumber(index)]
if not data then
return
end
 
i = i + 1
end
end
 
-- getting sitelink of a given wiki
-- get sitelink of current item if qid not supplied
function p.getSiteLink(frame)
local qid = frame.args.qid
if qid == "" then qid = nil end
local f = mw.text.trim( frame.args[1] or "")
local entity = mw.wikibase.getEntity(qid)
if not entity then
return
end
local link = entity:getSitelink( f )
if not link then
return
end
return link
end
 
function p.Dump(frame)
local f = (frame.args[1] or frame.args.id) and frame or frame:getParent()
local data = mw.wikibase.getEntity(f.args.id)
if not data then
return i18n.warnDump
end
 
local i = 1
while true do
local index = f.args[i]
if not index then
return "<pre>"..mw.dumpObject(data).."</pre>".. i18n.warnDump
end
 
data = data[index] or data[tonumber(index)]
if not data then
return i18n.warnDump
end
 
i = i + 1
end
end