Diferencia entre revisiones de «Módulo:Category handler»
De Familia Sanchez Arjona
(tweak blacklist - on matching subpages, don't match "basepage/", only "basepage/foo") |
(update to use Module:Yesno and to allow it to play nicely with other Lua modules) |
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− | ---------------------------------------------------------------------- | + | ---------------------------------------------------------------------------------------------------------- |
− | -- | + | -- -- |
− | -- | + | -- CATEGORY HANDLER -- |
− | -- | + | -- -- |
− | -- This module implements the {{category handler}} template | + | -- This module implements the {{category handler}} template in Lua, with a few improvements: all -- |
− | + | -- namespaces and all namespace aliases are supported, and namespace names are detected -- | |
− | -- namespace aliases are supported, and namespace names are | + | -- automatically for the local wiki. This module requires [[Module:Namespace detect]] and -- |
− | -- | + | -- [[Module:Yesno]] to be available on the local wiki. It can be configured for different wikis -- |
− | -- | + | -- by altering the values in the "cfg" table. -- |
− | + | -- -- | |
− | -- by altering the values in the "cfg" table. | + | ---------------------------------------------------------------------------------------------------------- |
− | -- | ||
− | ---------------------------------------------------------------------- | ||
− | ---------------------------------------------------------------------- | + | ---------------------------------------------------------------------------------------------------------- |
− | -- | + | -- Configuration data -- |
− | -- | + | -- Language-specific parameter names and values can be set here. -- |
− | -- | + | ---------------------------------------------------------------------------------------------------------- |
− | ---------------------------------------------------------------------- | ||
local cfg = {} | local cfg = {} | ||
− | -- | + | -- The following config values set the names of parameters that suppress categorisation. They are used |
− | -- cfg. | + | -- with Module:Yesno, and work as follows: |
− | -- cfg. | + | -- |
− | -- | + | -- cfg.nocat: |
+ | -- Result of yesno(args[cfg.nocat]) Effect | ||
+ | -- true Categorisation is suppressed | ||
+ | -- false Categorisation is allowed, and the blacklist check is skipped | ||
+ | -- nil Categorisation is allowed | ||
+ | -- | ||
+ | -- cfg.categories: | ||
+ | -- Result of yesno(args[cfg.categories]) Effect | ||
+ | -- true Categorisation is allowed, and the blacklist check is skipped | ||
+ | -- false Categorisation is suppressed | ||
+ | -- nil Categorisation is allowed | ||
cfg.nocat = 'nocat' | cfg.nocat = 'nocat' | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
cfg.categories = 'categories' | cfg.categories = 'categories' | ||
− | |||
− | |||
− | -- The parameter name for the legacy "category2" parameter. This | + | -- The parameter name for the legacy "category2" parameter. This skips the blacklist if set to the |
− | + | -- cfg.category2Yes value, and suppresses categorisation if present but equal to anything other than | |
− | + | -- cfg.category2Yes or cfg.category2Negative. | |
− | -- | ||
cfg.category2 = 'category2' | cfg.category2 = 'category2' | ||
cfg.category2Yes = 'yes' | cfg.category2Yes = 'yes' | ||
− | cfg.category2Negative = ' | + | cfg.category2Negative = 'Ê' |
− | -- cfg.subpage is the parameter name to specify how to behave on | + | -- cfg.subpage is the parameter name to specify how to behave on subpages. cfg.subpageNo is the value to |
− | + | -- specify to not categorise on subpages; cfg.only is the value to specify to only categorise on subpages. | |
− | |||
− | |||
cfg.subpage = 'subpage' | cfg.subpage = 'subpage' | ||
cfg.subpageNo = 'no' | cfg.subpageNo = 'no' | ||
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cfg.all = 'all' | cfg.all = 'all' | ||
− | -- The parameter name for data to return if no data is specified for | + | -- The parameter name for data to return if no data is specified for the namespace that is detected. This |
− | + | -- must be the same as the cfg.other parameter in [[Module:Namespace detect]]. | |
− | |||
cfg.other = 'other' | cfg.other = 'other' | ||
− | -- The parameter name used to specify a page other than the current | + | -- The parameter name used to specify a page other than the current page; used for testing and |
− | + | -- demonstration. This must be the same as the cfg.page parameter in [[Module:Namespace detect]]. | |
− | |||
cfg.page = 'page' | cfg.page = 'page' | ||
− | -- The categorisation blacklist. Pages that match Lua patterns in this | + | -- The categorisation blacklist. Pages that match Lua patterns in this list will not be categorised. |
− | + | -- (However, see the explanation of cfg.nocat, cfg.categories and cfg.category2 for some exceptions.) | |
− | -- | + | -- If the namespace name has a space in, it must be written with an underscore, e.g. "Wikipedia_talk". |
− | -- If the namespace name has a space in, it must be written with an | + | -- Other parts of the title can have either underscores or spaces. |
− | |||
− | |||
cfg.blacklist = { | cfg.blacklist = { | ||
'^Main Page$', -- don't categorise the main page. | '^Main Page$', -- don't categorise the main page. | ||
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} | } | ||
− | -- This is a table of namespaces to categorise by default. They | + | -- This is a table of namespaces to categorise by default. They should be in the format of parameter |
− | + | -- names accepted by [[Module:Namespace detect]]. | |
− | |||
cfg.defaultNamespaces = { | cfg.defaultNamespaces = { | ||
'main', | 'main', | ||
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} | } | ||
− | ---------------------------------------------------------------------- | + | ---------------------------------------------------------------------------------------------------------- |
− | -- | + | -- End configuration data -- |
− | ---------------------------------------------------------------------- | + | ---------------------------------------------------------------------------------------------------------- |
− | -- Get | + | -- Get dependent modules |
− | + | local nsDetect = require('Module:Namespace detect') | |
− | local | + | local yesno = require('Module:Yesno') |
− | local | ||
− | ---------------------------------------------------------------------- | + | ---------------------------------------------------------------------------------------------------------- |
− | -- | + | -- Local functions -- |
− | -- The following are internal functions, which we do not want | + | -- The following are internal functions, which we do not want to be accessible from other modules. -- |
− | + | ---------------------------------------------------------------------------------------------------------- | |
− | ---------------------------------------------------------------------- | ||
-- Find whether we need to return a category or not. | -- Find whether we need to return a category or not. | ||
− | local function needsCategory( pageObject, args ) | + | local function needsCategory(pageObject, args) |
-- Don't categorise if the relevant options are set. | -- Don't categorise if the relevant options are set. | ||
− | if args[cfg.nocat] | + | if yesno(args[cfg.nocat]) |
− | or args[cfg.categories] == | + | or yesno(args[cfg.categories]) == false |
− | or ( args[cfg.category2] | + | or ( |
+ | args[cfg.category2] | ||
and args[cfg.category2] ~= cfg.category2Yes | and args[cfg.category2] ~= cfg.category2Yes | ||
− | and args[cfg.category2] ~= cfg.category2Negative ) | + | and args[cfg.category2] ~= cfg.category2Negative |
− | + | ) | |
+ | then | ||
return false | return false | ||
end | end | ||
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end | end | ||
if args[cfg.subpage] == cfg.subpageOnly | if args[cfg.subpage] == cfg.subpageOnly | ||
− | and (not pageObject or (pageObject and not pageObject.isSubpage) ) then | + | and (not pageObject or (pageObject and not pageObject.isSubpage)) |
+ | then | ||
return false | return false | ||
end | end | ||
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-- Find whether we need to check the blacklist or not. | -- Find whether we need to check the blacklist or not. | ||
− | local function needsBlacklistCheck( args ) | + | local function needsBlacklistCheck(args) |
− | if args[cfg.nocat] == | + | if yesno(args[cfg.nocat]) == false |
− | or args[cfg.categories] == | + | or yesno(args[cfg.categories]) == true |
− | or args[cfg.category2] == cfg.category2Yes then | + | or args[cfg.category2] == cfg.category2Yes |
+ | then | ||
return false | return false | ||
else | else | ||
return true | return true | ||
end | end | ||
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end | end | ||
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-- Mappings is the table of parameter mappings taken from | -- Mappings is the table of parameter mappings taken from | ||
-- [[Module:Namespace detect]]. | -- [[Module:Namespace detect]]. | ||
− | local function nsParamsExist( mappings, args ) | + | local function nsParamsExist(mappings, args) |
if args[cfg.all] or args[cfg.other] then | if args[cfg.all] or args[cfg.other] then | ||
return true | return true | ||
end | end | ||
− | for ns, params in pairs( mappings ) do | + | for ns, params in pairs(mappings) do |
− | for i, param in ipairs( params ) do | + | for i, param in ipairs(params) do |
if args[param] then | if args[param] then | ||
return true | return true | ||
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end | end | ||
return false | return false | ||
+ | end | ||
+ | |||
+ | ---------------------------------------------------------------------------------------------------------- | ||
+ | -- Global functions -- | ||
+ | -- The following functions are global, because we want them to be accessible from #invoke and -- | ||
+ | -- from other Lua modules. -- | ||
+ | ---------------------------------------------------------------------------------------------------------- | ||
+ | |||
+ | local p = {} | ||
+ | |||
+ | -- Find if a string matches the blacklist. Returns the match if one is found, or nil otherwise. | ||
+ | -- Input should be a page title with a namespace prefix, e.g. "Wikipedia talk:Articles for deletion". | ||
+ | function p.matchesBlacklist(page) | ||
+ | if type(page) ~= 'string' then return end | ||
+ | for i, pattern in ipairs(cfg.blacklist) do | ||
+ | local match = mw.ustring.match(page, pattern) | ||
+ | if match then | ||
+ | return match | ||
+ | end | ||
+ | end | ||
end | end | ||
-- The main structure of the module. Checks whether we need to categorise, | -- The main structure of the module. Checks whether we need to categorise, | ||
-- and then passes the relevant arguments to [[Module:Namespace detect]]. | -- and then passes the relevant arguments to [[Module:Namespace detect]]. | ||
− | + | function p._main(args) | |
-- Get the page object and argument mappings from | -- Get the page object and argument mappings from | ||
-- [[Module:Namespace detect]], to save us from having to rewrite the | -- [[Module:Namespace detect]], to save us from having to rewrite the | ||
-- code. | -- code. | ||
− | local pageObject = | + | local pageObject = nsDetect.getPageObject(args[cfg.page]) |
− | local mappings = | + | local mappings = nsDetect.getParamMappings() |
− | + | if not needsCategory(pageObject, args) then return end | |
− | if not needsCategory( pageObject, args ) then return end | ||
− | local ret = '' | + | local ret = '' |
-- Check blacklist if necessary. | -- Check blacklist if necessary. | ||
− | if not needsBlacklistCheck( args ) | + | if not needsBlacklistCheck(args) or not p.matchesBlacklist(pageObject.prefixedText) then |
− | + | if not nsParamsExist(mappings, args) then | |
− | |||
− | if not nsParamsExist( mappings, args ) then | ||
-- No namespace parameters exist; basic usage. Pass args[1] to | -- No namespace parameters exist; basic usage. Pass args[1] to | ||
-- [[Module:Namespace detect]] using the default namespace | -- [[Module:Namespace detect]] using the default namespace | ||
-- parameters, and return the result. | -- parameters, and return the result. | ||
local ndargs = {} | local ndargs = {} | ||
− | for _, ndarg in ipairs( cfg.defaultNamespaces ) do | + | for _, ndarg in ipairs(cfg.defaultNamespaces) do |
ndargs[ndarg] = args[1] | ndargs[ndarg] = args[1] | ||
end | end | ||
ndargs.page = args.page | ndargs.page = args.page | ||
− | local ndresult = | + | local ndresult = nsDetect.main(ndargs) |
if ndresult then | if ndresult then | ||
ret = ret .. ndresult | ret = ret .. ndresult | ||
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-- Get the arguments to pass to [[Module:Namespace detect]]. | -- Get the arguments to pass to [[Module:Namespace detect]]. | ||
local ndargs = {} | local ndargs = {} | ||
− | for ns, params in pairs( mappings ) do | + | for ns, params in pairs(mappings) do |
− | for _, param in ipairs( params ) do | + | for _, param in ipairs(params) do |
ndargs[param] = args[param] or args[cfg.other] or nil | ndargs[param] = args[param] or args[cfg.other] or nil | ||
end | end | ||
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end | end | ||
− | local data = | + | local data = nsDetect.main(ndargs) |
− | -- Work out what to return based on the result of the namespace | + | -- Work out what to return based on the result of the namespace detect call. |
− | + | local datanum = tonumber(data) | |
− | local datanum = tonumber( data ) | + | if type(datanum) == 'number' then |
− | if type( datanum ) == 'number' then | ||
-- "data" is a number, so return that positional parameter. | -- "data" is a number, so return that positional parameter. | ||
-- Remove non-positive integer values, as only positive integers | -- Remove non-positive integer values, as only positive integers | ||
-- from 1-10 were used with the old template. | -- from 1-10 were used with the old template. | ||
if datanum > 0 | if datanum > 0 | ||
− | and math.floor( datanum ) == datanum | + | and math.floor(datanum) == datanum |
and args[datanum] then | and args[datanum] then | ||
− | ret = ret .. args[ datanum ] | + | ret = ret .. args[datanum] |
end | end | ||
else | else | ||
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end | end | ||
− | + | function p.main(frame) | |
− | |||
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− | |||
− | function p.main( frame ) | ||
-- If called via #invoke, use the args passed into the invoking | -- If called via #invoke, use the args passed into the invoking | ||
-- template, or the args passed to #invoke if any exist. Otherwise | -- template, or the args passed to #invoke if any exist. Otherwise | ||
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if frame == mw.getCurrentFrame() then | if frame == mw.getCurrentFrame() then | ||
origArgs = frame:getParent().args | origArgs = frame:getParent().args | ||
− | for k, v in pairs( frame.args ) do | + | for k, v in pairs(frame.args) do |
origArgs = frame.args | origArgs = frame.args | ||
break | break | ||
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-- 1, 2, 3 etc., "nocat", "categories", "subpage", and "page". | -- 1, 2, 3 etc., "nocat", "categories", "subpage", and "page". | ||
local args = {} | local args = {} | ||
− | for k, v in pairs( origArgs ) do | + | for k, v in pairs(origArgs) do |
− | v = mw.text.trim(v) -- Trim whitespace. | + | if type(v) == 'string' then |
+ | v = mw.text.trim(v) -- Trim whitespace. | ||
+ | end | ||
if type(k) == 'number' | if type(k) == 'number' | ||
or k == cfg.nocat | or k == cfg.nocat | ||
or k == cfg.categories | or k == cfg.categories | ||
or k == cfg.subpage | or k == cfg.subpage | ||
− | or k == cfg.page then | + | or k == cfg.page |
+ | then | ||
if v ~= '' then | if v ~= '' then | ||
args[k] = v | args[k] = v | ||
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-- parameters are put in lower case whenever they appear in the old | -- parameters are put in lower case whenever they appear in the old | ||
-- template, so we can just do it once here and save ourselves some work. | -- template, so we can just do it once here and save ourselves some work. | ||
− | local lowercase = { cfg.nocat, cfg.categories, cfg.category2, cfg.subpage } | + | local lowercase = {cfg.nocat, cfg.categories, cfg.category2, cfg.subpage} |
− | for _, v in ipairs( lowercase ) do | + | for _, v in ipairs(lowercase) do |
− | + | local argVal = args[v] | |
− | args[v] = mw.ustring.lower( | + | if type(argVal) == 'string' then |
+ | args[v] = mw.ustring.lower(argVal) | ||
end | end | ||
end | end | ||
− | return _main( args ) | + | return p._main(args) |
end | end | ||
return p | return p |
Revisión del 13:50 26 sep 2013
La documentación para este módulo puede ser creada en Módulo:Category handler/doc
---------------------------------------------------------------------------------------------------------- -- -- -- CATEGORY HANDLER -- -- -- -- This module implements the {{category handler}} template in Lua, with a few improvements: all -- -- namespaces and all namespace aliases are supported, and namespace names are detected -- -- automatically for the local wiki. This module requires [[Module:Namespace detect]] and -- -- [[Module:Yesno]] to be available on the local wiki. It can be configured for different wikis -- -- by altering the values in the "cfg" table. -- -- -- ---------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------- -- Configuration data -- -- Language-specific parameter names and values can be set here. -- ---------------------------------------------------------------------------------------------------------- local cfg = {} -- The following config values set the names of parameters that suppress categorisation. They are used -- with Module:Yesno, and work as follows: -- -- cfg.nocat: -- Result of yesno(args[cfg.nocat]) Effect -- true Categorisation is suppressed -- false Categorisation is allowed, and the blacklist check is skipped -- nil Categorisation is allowed -- -- cfg.categories: -- Result of yesno(args[cfg.categories]) Effect -- true Categorisation is allowed, and the blacklist check is skipped -- false Categorisation is suppressed -- nil Categorisation is allowed cfg.nocat = 'nocat' cfg.categories = 'categories' -- The parameter name for the legacy "category2" parameter. This skips the blacklist if set to the -- cfg.category2Yes value, and suppresses categorisation if present but equal to anything other than -- cfg.category2Yes or cfg.category2Negative. cfg.category2 = 'category2' cfg.category2Yes = 'yes' cfg.category2Negative = 'Ê' -- cfg.subpage is the parameter name to specify how to behave on subpages. cfg.subpageNo is the value to -- specify to not categorise on subpages; cfg.only is the value to specify to only categorise on subpages. cfg.subpage = 'subpage' cfg.subpageNo = 'no' cfg.subpageOnly = 'only' -- The parameter for data to return in all namespaces. cfg.all = 'all' -- The parameter name for data to return if no data is specified for the namespace that is detected. This -- must be the same as the cfg.other parameter in [[Module:Namespace detect]]. cfg.other = 'other' -- The parameter name used to specify a page other than the current page; used for testing and -- demonstration. This must be the same as the cfg.page parameter in [[Module:Namespace detect]]. cfg.page = 'page' -- The categorisation blacklist. Pages that match Lua patterns in this list will not be categorised. -- (However, see the explanation of cfg.nocat, cfg.categories and cfg.category2 for some exceptions.) -- If the namespace name has a space in, it must be written with an underscore, e.g. "Wikipedia_talk". -- Other parts of the title can have either underscores or spaces. cfg.blacklist = { '^Main Page$', -- don't categorise the main page. -- Don't categorise the following pages or their subpages. '^Wikipedia:Cascade%-protected items$', '^Wikipedia:Cascade%-protected items/.*$', '^User:UBX$', -- The userbox "template" space. '^User:UBX/.*$', '^User_talk:UBX$', '^User_talk:UBX/.*$', -- Don't categorise subpages of these pages, but allow -- categorisation of the base page. '^Wikipedia:Template messages/.+$', '/[aA]rchive' -- Don't categorise archives. } -- This is a table of namespaces to categorise by default. They should be in the format of parameter -- names accepted by [[Module:Namespace detect]]. cfg.defaultNamespaces = { 'main', 'file', 'help', 'category' } ---------------------------------------------------------------------------------------------------------- -- End configuration data -- ---------------------------------------------------------------------------------------------------------- -- Get dependent modules local nsDetect = require('Module:Namespace detect') local yesno = require('Module:Yesno') ---------------------------------------------------------------------------------------------------------- -- Local functions -- -- The following are internal functions, which we do not want to be accessible from other modules. -- ---------------------------------------------------------------------------------------------------------- -- Find whether we need to return a category or not. local function needsCategory(pageObject, args) -- Don't categorise if the relevant options are set. if yesno(args[cfg.nocat]) or yesno(args[cfg.categories]) == false or ( args[cfg.category2] and args[cfg.category2] ~= cfg.category2Yes and args[cfg.category2] ~= cfg.category2Negative ) then return false end -- If there is no pageObject available, then that either means that we are over -- the expensive function limit or that the title specified was invalid. Invalid -- titles will probably only be a problem during testing, so we choose the best -- fallback for being over the expensive function limit. The fallback behaviour -- of the old template was to assume the page was not a subpage, so we will do -- the same here. if args[cfg.subpage] == cfg.subpageNo and pageObject and pageObject.isSubpage then return false end if args[cfg.subpage] == cfg.subpageOnly and (not pageObject or (pageObject and not pageObject.isSubpage)) then return false end return true end -- Find whether we need to check the blacklist or not. local function needsBlacklistCheck(args) if yesno(args[cfg.nocat]) == false or yesno(args[cfg.categories]) == true or args[cfg.category2] == cfg.category2Yes then return false else return true end end -- Find whether any namespace parameters have been specified. -- Mappings is the table of parameter mappings taken from -- [[Module:Namespace detect]]. local function nsParamsExist(mappings, args) if args[cfg.all] or args[cfg.other] then return true end for ns, params in pairs(mappings) do for i, param in ipairs(params) do if args[param] then return true end end end return false end ---------------------------------------------------------------------------------------------------------- -- Global functions -- -- The following functions are global, because we want them to be accessible from #invoke and -- -- from other Lua modules. -- ---------------------------------------------------------------------------------------------------------- local p = {} -- Find if a string matches the blacklist. Returns the match if one is found, or nil otherwise. -- Input should be a page title with a namespace prefix, e.g. "Wikipedia talk:Articles for deletion". function p.matchesBlacklist(page) if type(page) ~= 'string' then return end for i, pattern in ipairs(cfg.blacklist) do local match = mw.ustring.match(page, pattern) if match then return match end end end -- The main structure of the module. Checks whether we need to categorise, -- and then passes the relevant arguments to [[Module:Namespace detect]]. function p._main(args) -- Get the page object and argument mappings from -- [[Module:Namespace detect]], to save us from having to rewrite the -- code. local pageObject = nsDetect.getPageObject(args[cfg.page]) local mappings = nsDetect.getParamMappings() if not needsCategory(pageObject, args) then return end local ret = '' -- Check blacklist if necessary. if not needsBlacklistCheck(args) or not p.matchesBlacklist(pageObject.prefixedText) then if not nsParamsExist(mappings, args) then -- No namespace parameters exist; basic usage. Pass args[1] to -- [[Module:Namespace detect]] using the default namespace -- parameters, and return the result. local ndargs = {} for _, ndarg in ipairs(cfg.defaultNamespaces) do ndargs[ndarg] = args[1] end ndargs.page = args.page local ndresult = nsDetect.main(ndargs) if ndresult then ret = ret .. ndresult end else -- Namespace parameters exist; advanced usage. -- If the all parameter is specified, return it. if args.all then ret = ret .. args.all end -- Get the arguments to pass to [[Module:Namespace detect]]. local ndargs = {} for ns, params in pairs(mappings) do for _, param in ipairs(params) do ndargs[param] = args[param] or args[cfg.other] or nil end end if args.other then ndargs.other = args.other end if args.page then ndargs.page = args.page end local data = nsDetect.main(ndargs) -- Work out what to return based on the result of the namespace detect call. local datanum = tonumber(data) if type(datanum) == 'number' then -- "data" is a number, so return that positional parameter. -- Remove non-positive integer values, as only positive integers -- from 1-10 were used with the old template. if datanum > 0 and math.floor(datanum) == datanum and args[datanum] then ret = ret .. args[datanum] end else -- "data" is not a number, so return it as it is. if type(data) == 'string' then ret = ret .. data end end end end return ret end function p.main(frame) -- If called via #invoke, use the args passed into the invoking -- template, or the args passed to #invoke if any exist. Otherwise -- assume args are being passed directly in. local origArgs if frame == mw.getCurrentFrame() then origArgs = frame:getParent().args for k, v in pairs(frame.args) do origArgs = frame.args break end else origArgs = frame end -- Trim whitespace and remove blank arguments for the following args: -- 1, 2, 3 etc., "nocat", "categories", "subpage", and "page". local args = {} for k, v in pairs(origArgs) do if type(v) == 'string' then v = mw.text.trim(v) -- Trim whitespace. end if type(k) == 'number' or k == cfg.nocat or k == cfg.categories or k == cfg.subpage or k == cfg.page then if v ~= '' then args[k] = v end else args[k] = v end end -- Lower-case "nocat", "categories", "category2", and "subpage". These -- parameters are put in lower case whenever they appear in the old -- template, so we can just do it once here and save ourselves some work. local lowercase = {cfg.nocat, cfg.categories, cfg.category2, cfg.subpage} for _, v in ipairs(lowercase) do local argVal = args[v] if type(argVal) == 'string' then args[v] = mw.ustring.lower(argVal) end end return p._main(args) end return p