Module:Wikidata
La documentation pour ce module peut être créée à Module:Wikidata/doc
--script that retries basic data stored in Wikidata, for the datamodel, see https://www.mediawiki.org/wiki/Extension:Wikibase_Client/Lua
local p = {}
local formatDate = require( 'Module:Date')
local formatCoord = require( 'Module:Coordinates')
local Outils = require( 'Module:Outils' )
local i18n = {
["errors"] = {
["property-param-not-provided"] = "Paramètre propriété non renseigné.",
["qualifier-param-not-provided"] = "Paramètre qualifier non renseigné.",
["entity-not-found"] = "Entité non trouvée.",
["unknown-claim-type"] = "type d'affirmation inconnu.",
["unknown-snak-type"] = "Type de snak inconnu.",
["unknown-datavalue-type"] = "Type de donnée non reconnu.",
["unknown-entity-type"] = "Type d'entité non reconnu.",
["unknown-value-module"] = "You must set both value-module and value-function parameters.",
["value-module-not-found"] = "The module pointed by value-module not found.",
["value-function-not-found"] = "The function pointed by value-function not found.",
["ambigous"] = "Ambigu : plusieurs valeurs possible",
},
["somevalue"] = "inconnu",
["novalue"] = "pas de données"
}
function getEntityFromId( id )
return mw.wikibase.getEntity() --TODO support for getting other entities
end
function getId( id ) -- gets the ID of the page
entity = getEntityFromId( id )
return entity.id
end
function formatError( key )
return '<span class="error">' .. i18n.errors[key] .. '</span>'
end
function p.getClaims( frame ) -- returns a table of the claims matching some conditions given in args
local args = Outils.extractArgs( frame )
if not args.property then
return formatError( 'property-param-not-provided' )
end
--Get entity
local entity = nil
local property = string.lower(args.property)
if args.entity and type( args.entity ) == "table" then
entity = args.entity
else
entity = getEntityFromId( args.entityId )
end
if not entity or not entity.claims or not entity.claims[property] then
return nil
end
claims = entity.claims[property]
if args.excludespecial == 'true' then
oldclaims = claims
claims = {}
for i, statement in pairs(oldclaims) do
if statement.mainsnak.snaktype == 'value' then
table.insert(claims, statement)
end
end
end
if args.targetvalue then
targetvalue = args.targetvalue
oldclaims = claims
claims = {}
for i, statement in pairs(oldclaims) do
if p.getDatavalue(statement.mainsnak, 'raw') == targetvalue then
table.insert(claims, statement)
end
end
end
if args.qualifier then -- ne marche que pour les propriétés de type item
qualifier = args.qualifier
qualifiervalue = args.qualifiervalue
oldclaims = claims
claims = {}
for i, statement in pairs(oldclaims) do
if statement.qualifiers and statement.qualifiers[qualifier] then
if qualifiervalue then
for j, qualif in pairs(statement.qualifiers[qualifier]) do
if p.getDatavalue(qualif, 'raw') == qualifiervalue then
table.insert(claims, statement)
end
end
else
table.insert(claims, statement)
end
end
end
end
if args.source then
if args.sourceproperty then
sourceproperty = args.sourceproperty
else
sourceproperty = "p248"
end
sourcevalue = args.source
oldclaims = claims
claims = {}
for i, statement in pairs(oldclaims) do
if statement.references then
for j, reference in pairs(statement.references) do
for k, prop in pairs(reference.snaks) do
if k == sourceproperty then
for l, m in pairs(prop) do
if p.getDatavalue(m) == "Q" .. sourcevalue then
table.insert(claims, statement)
end
end
end
end
end
end
end
end
return claims
end
function p.getDatavalue(snak, formatting)
datatype = snak.datavalue.type
if datatype == 'wikibase-entityid' then
if formatting == 'raw' then
return "Q" .. tostring(snak.datavalue.value['numeric-id'])
else
return p.formatEntityId("Q" .. tostring(snak.datavalue.value['numeric-id']))
end
elseif datatype == 'string' then
return snak.datavalue.value
elseif datatype == 'time' then -- format example: +00000001809-02-12T00:00:00Z
return p.formatTimevalue(snak.datavalue.value, formatting)
elseif datatype == 'globecoordinate' then
latitude = tostring(snak.datavalue.value.latitude)
longitude = tostring(snak.datavalue.value.longitude)
-- precision = snak.datavalue.value.precision
--globe = to do transform string like http://www.wikidata.org/entity/Q2 into the globe parameter of Module:Coordinates
coordparam = {latitude, longitude}
return formatCoord.coord(coordparam)
else return formatError( 'unknown-datavalue-type' )
end
end
function p.numOfClaims( frame )
local args = Outils.extractArgs( frame )
if args.claims then
claim = args.claims
else
claims = p.getClaims(args)
end
if type(claims) ~= "table" then
return 0
elseif claims == {} then
return 0
elseif claims[0] then -- table Wikibase non modifiée avec une clé 0 (buggy)
return #claims + 1
else
return #claims
end
end
function p.getQualifier( frame )
local args = Outils.extractArgs( frame )
claims = p.getClaims( args )
if args.qualifier then
qualifier = args.qualifier
else
return formatError( 'qualifier-param-not-provided' )
end
if not claims or numOfClaims(claims) == 0 then
return nil
else
result = {}
for i, j in pairs(claims) do
for k, l in pairs( j.qualifiers[qualifier] ) do
table.insert(result, p.getDatavalue(l, 'standard'))
end
end
end
return mw.text.listToText(result)
end
function p.formatStatements( frame )--Format statement and concat them cleanly
local args = Outils.extractArgs( frame )
local formattedStatements = {}
local rawStatements = p.getClaims( args )
if notrawStatements or numOfClaims(rawStatements) == 0 then
return nil
end
for i, statement in pairs( rawStatements ) do
if args.rank == 'one' then
return formatStatement( statement, args ) --Output only one value
else
table.insert( formattedStatements, formatStatement( statement, args ) )
end
end
return mw.text.listToText( formattedStatements, args.separator, args.conjunction )
end
function formatStatement( statement, args )
if not statement.type or statement.type ~= 'statement' then
return formatError( 'unknown-claim-type' )
end
mainsnak = p.formatSnak( statement.mainsnak, args )
if args.showqualifiers then -- to be improved
qualifier = args.showqualifiers
if statement.qualifiers and statement.qualifiers[qualifier] then
qualifvalues = {}
for i, j in pairs (statement.qualifiers[qualifier]) do
table.insert(qualifvalues, p.getDatavalue(j))
end
return mainsnak .. ' (' .. mw.text.listToText(qualifvalues) .. ')'
end
end
return mainsnak
end
function p.formatSnak( snak, args )
if snak.snaktype == 'somevalue' then
return i18n['somevalue']
elseif snak.snaktype == 'novalue' then
return i18n['novalue']
elseif snak.snaktype == 'value' then
return p.getDatavalue( snak, args.formatting)
else
return formatError( 'unknown-snak-type' )
end
end
function p.formatEntityId( entityId, formatting )
local label = mw.wikibase.label( entityId )
if not label then
label = entityId --TODO what if no links and label + fallback language?
end
local link = mw.wikibase.sitelink( entityId )
if link then
return '[[' .. link .. '|' .. label .. ']]'
else
return '[[wikidata:' .. entityId .. '|' .. label .. ']]'
end
end
function p.formatTimevalue(value, formatting) -- exemple format Wikibase "datavalue.value.time: +00000001809-02-12T00:00:00Z"
d = value.time
precision = value.precision
calendar = 'gregorian' -- calendar for display, not storage
if value.calendarmodel == 'http://www.wikidata.org/entity/Q1985786' then
calendar = 'julian'
end
era = ''
if string.sub(d,1,1) == '-' or string.sub(d,2,12) == '00000000000' then -- Before Christ or year 0 (see datamodel)
era = '-'
end
year = ''
if precision >= 9 then
year = string.sub(d, 9, 12)
if era == '-' then -- remove one Year for BC years because of year 0 in the datamodel
year = tostring(tonumber(year) + 1)
end
end
month = ''
if precision >= 10 then
month = string.sub(d, 14, 15)
end
day = ''
if precision >= 11 then
day = string.sub(d, 17, 18)
end
if formatting == 'raw' then -- allows easy comparisons
return d
elseif formatting == 'ISO' then -- only defined for years > 1582
return formatDate.dateISO({annee=year, mois=month, jour=day})
else
if calendar =='julian' then
local y, m, d = formatDate.gregorianToJulian( era .. year, month, day )
return formatDate.modeleDate{ d, m, y }
else
return formatDate.modeleDate({day, month, era .. year})
end
end
end
function p.id(frame)
return getId(frame.args[1])
end
return p