Module:User:Sarang/sandbox
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Lua
 | This is the module sandbox page for Module:User:Sarang (diff). |
Code
-- Module for handling Media files (Origin: Wikimedia Commons)
-- Helpers
local h, File = {}
h.getFile = function(f)
return File( f.args[1] or f.args["file"] or f.args["title"] or mw.title.getCurrentTitle().text )
end
h.getWikiText = function(title, frame)
return '<html>' .. (frame or mw.getCurrentFrame()):expandTemplate{ title = title, args = {}}:gsub('<nowiki>.*?</nowiki>', '') .. '</html>'
end
File = function(title)
local funcs = {}
-- =p.File("Foo.bar.svg").extension()
-- @return "svg"
funcs.extension = function()
local parts = mw.text.split( title, '.', true )
return parts[#parts]
end
-- =p.File("Foo.bar.svg").woExtension()
-- Original author: Bawolff at [[Module:FileName]]
-- @return "Foo.bar"
funcs.woExtension = function()
local parts = mw.text.split( title , '.', true )
local upTo = #parts - 1
if upTo == 0 then upTo = 1 end
return table.concat( parts, '.', 1, upTo )
end
-- mapping file extensions to MIME-types
funcs.extensionMap = {
PNG = "image/png",
GIF = "image/gif",
SVG = "image/svg+xml",
TIFF = "image/tiff",
TIF = "image/tiff",
JPEG = "image/jpeg",
JPG = "image/jpeg"
}
-- =p.File("Foo.bar.svg").mime()
funcs.mime = function()
local extension = funcs.extension():upper()
return funcs.extensionMap[extension] or "unknown"
end
-- =p.File("Foo.bar.tiff").maxthumb()
funcs.maxthumb = function()
local mime = funcs.mime()
if mime == "image/png" then
return mw.getCurrentFrame():preprocess( '{{LargePNG/limit}}' )
elseif mime == "image/tiff" or mime == "image/gif" then
return mw.getCurrentFrame():preprocess( '{{LargeTIFF/limit}}' )
else
return 'unknown @Module:File'
end
end
funcs.dateWorkCreated = function(frame)
local page, htmlparser = 'File:' .. title, require("Module:HTMLParser")
local ok, html = pcall( h.getWikiText, page, frame )
if not ok then return nil end
-- add a root node
local root = htmlparser.parse(html)
local tdElem = root('#fileinfotpl_date')
-- We queried an ID so there should be only one result
for td in pairs(tdElem) do
-- We need the next sibling, which doesn't seem to be directly supported by HTMLParser
-- ... so ask him for the parent <tr> and find the <time> element in it
local timeElem = td.parent('time')
for t in pairs(timeElem) do
return t.attributes['datetime']
end
end
end
return funcs
end
-- @exports
local p = {}
p.File = File
p.extension = function(frame)
return h.getFile(frame).extension():lower()
end
p.extensionUpper = function(frame)
return h.getFile(frame).extension():upper()
end
p.woExtension = function(frame)
return h.getFile(frame).woExtension()
end
p.mime = function(frame)
return h.getFile(frame).mime()
end
p.maxthumb = function(frame)
return h.getFile(frame).maxthumb()
end
p.size = function(frame)
return h.getFile(frame).size()
end
p.fsize = function(frame)
return h.getFile(frame).imgsize()
end
p.dateWorkCreated = function(frame)
return h.getFile(frame).dateWorkCreated() or ''
end
p.runTests = function()
local toTest = require('Module:File/tests/all')
local result = true
for i, t in ipairs(toTest) do
local f = File(t.fileName)
local stringResult = ''
local ret = true
local results = {
extension = (t.extension == f.extension():lower()),
extensionUpper = (t.extensionUpper == f.extension():upper()),
woExtension = (t.woExtension == f.woExtension()),
mime = (t.mime == f.mime()),
maxthumb = (not (tonumber(f.maxthumb()) == nil) == t.maxthumbIsNumber),
imgsize = (t.imgsize == f.imgsize()),
dateWorkCreated = t.dateWorkCreated == f.dateWorkCreated()
}
for k, v in pairs(results) do
stringResult = stringResult .. k .. ': ' .. (v and 'ok ' or 'failed') .. ' '
ret = ret and v
end
mw.log(i, ret and 'passed' or 'FAILED', t.typeOfFileName, (not ret) and ('\n >>' .. stringResult .. '\n >> ' .. t.fileName) or '')
result = result and ret
end
return result
end
return p