Modul:PageAttributes
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Diese Seite enthält Code in der Programmiersprache Lua. Einbindungszahl Cirrus
Dies ist die (produktive) Mutterversion eines global benutzten Lua-Moduls.
Wenn die serial-Information nicht übereinstimmt, müsste eine Kopie hiervon in das lokale Wiki geschrieben werden.
Wenn die serial-Information nicht übereinstimmt, müsste eine Kopie hiervon in das lokale Wiki geschrieben werden.
Versionsbezeichnung auf WikiData:
2022-06-06local PageAttributes = { suite = "PageAttributes",
serial = "2022-06-06",
item = 112249306 }
--[==[
Assign attributes to pages or entire namespaces
]==]
local Failsafe = PageAttributes
local GlobalMod = PageAttributes
local foreignModule = function ( access, advanced, append, alt, alert )
-- Fetch global module
-- Precondition:
-- access -- string, with name of base module
-- advanced -- true, for require(); else mw.loadData()
-- append -- string, with subpage part, if any; or false
-- alt -- number, of wikidata item of root; or false
-- alert -- true, for throwing error on data problem
-- Postcondition:
-- Returns whatever, probably table
-- 2020-01-01
local storage = access
local fun, lucky, r
if advanced then
fun = require
else
fun = mw.loadData
end
if append then
storage = string.format( "%s/%s", storage, append )
end
lucky, r = pcall( fun, "Module:" .. storage )
if not lucky then
local suited
GlobalMod.globalModules = GlobalMod.globalModules or { }
suited = GlobalMod.globalModules[ access ]
if not suited and
type( alt ) == "number" and
alt > 0 then
suited = string.format( "Q%d", alt )
suited = mw.wikibase.getSitelink( suited )
GlobalMod.globalModules[ access ] = suited or true
end
if type( suited ) == "string" then
storage = suited
if append then
storage = string.format( "%s/%s", storage, append )
end
lucky, r = pcall( fun, storage )
end
if not lucky and alert then
error( "Missing or invalid page: " .. storage )
end
end
return r
end -- foreignModule()
PageAttributes.f = function ( ask, another )
-- Retrieve page attributes
-- Precondition:
-- ask -- string, with submodule name
-- another -- string or mw.title (optional), with page name
-- default: current page
-- Postcondition:
-- Returns string, number, boolean
local r
if type( ask ) == "string" then
local props = foreignModule( PageAttributes.suite,
false,
ask,
PageAttributes.item )
if type( props ) == "table" then
local page
if another then
local s = type( another )
if s == "string" then
local id = another:match( "^%s*#(%d+)%s*$" )
page = mw.title.new( id or another )
elseif s == "number" then
page = mw.title.new( another )
elseif s == "table" and
type( another.namespace ) == "number" and
type( another.id ) == "number" then
page = another
end
end
page = page or mw.title.getCurrentTitle()
if type( props.rooms ) == "table" then
r = props.rooms[ page.namespace ]
end
if type( props.pageids ) == "table" then
local q = props.pageids[ page.id ]
if q ~= nil then
r = q
end
end
if type( r ) == "string" then
r = mw.text.trim( r )
if r == "" then
r = false
end
end
end
r = r or false
end
return r
end -- PageAttributes.f()
Failsafe.failsafe = function ( atleast )
-- Retrieve versioning and check for compliance
-- Precondition:
-- atleast -- string, with required version
-- or wikidata|item|~|@ or false
-- Postcondition:
-- Returns string -- with queried version/item, also if problem
-- false -- if appropriate
-- 2020-08-17
local since = atleast
local last = ( since == "~" )
local linked = ( since == "@" )
local link = ( since == "item" )
local r
if last or link or linked or since == "wikidata" then
local item = Failsafe.item
since = false
if type( item ) == "number" and item > 0 then
local suited = string.format( "Q%d", item )
if link then
r = suited
else
local entity = mw.wikibase.getEntity( suited )
if type( entity ) == "table" then
local seek = Failsafe.serialProperty or "P348"
local vsn = entity:formatPropertyValues( seek )
if type( vsn ) == "table" and
type( vsn.value ) == "string" and
vsn.value ~= "" then
if last and vsn.value == Failsafe.serial then
r = false
elseif linked then
if mw.title.getCurrentTitle().prefixedText
== mw.wikibase.getSitelink( suited ) then
r = false
else
r = suited
end
else
r = vsn.value
end
end
end
end
end
end
if type( r ) == "nil" then
if not since or since <= Failsafe.serial then
r = Failsafe.serial
else
r = false
end
end
return r
end -- Failsafe.failsafe()
-- Export
local p = { }
function p.f( frame )
local sub = frame.args[ 1 ]
local r
if sub then
sub = mw.text.trim( sub )
if sub ~= "" then
local s = frame.args[ 2 ]
if s then
s = mw.text.trim( s )
if s == "" then
s = false
end
end
r = PageAttributes.f( sub, s )
end
end
if type( r ) == "boolean" then
r = ( r and "1" ) or ""
end
return r
end -- f
p.failsafe = function ( frame )
-- Versioning interface
local s = type( frame )
local since
if s == "table" then
since = frame.args[ 1 ]
elseif s == "string" then
since = frame
end
if since then
since = mw.text.trim( since )
if since == "" then
since = false
end
end
return Failsafe.failsafe( since ) or ""
end -- p.failsafe
setmetatable( p, { __call = function ( func, ... )
setmetatable( p, nil )
return Failsafe
end } )
return p