Module:Cite IUCN
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Usage
{{#invoke:Cite IUCN|cite}}
– for {{cite IUCN}}
{{#invoke:Cite IUCN|make_cite_iucn}}
– for {{make cite IUCN}}
Background information
Old-style and new-style IUCN urls
Until late 2018, the IUCN assessments used urls of form
http://www.iucnredlist.org/details/15955/0
- where 15955 is the taxon ID and the “0” suffix indicates a global assessment (other single digit numbers code for various regional assessments).
From around September 2018, the IUCN switched to a new format for the url, of the form
https://www.iucnredlist.org/species/15955/50659951
- where the 15955 is the taxon ID and a unique suffix identies a version of an assessment. This left all Wikipedia links to IUCN assesssments as dead links.
Shortly afterwards the IUCN produced a backup of the old system with links of the form
http://oldredlist.iucnredlist.org/details/15955/0
- which uses an old-style url form on the oldredlist subdomain. Many citations were switched over to this url. However, this subdomain was shut down near the end of 2019, leaving many dead links generating 502 Bad Gateway errors.
Current IUCN citations
A typical IUCN citation, as given on their assessment pages, is now of the form:
- Goodrich, J., Lynam, A., Miquelle, D., Wibisono, H., Kawanishi, K., Pattanavibool, A., Htun, S., Tempa, T., Karki, J., Jhala, Y. & Karanth, U. 2015. Panthera tigris. The IUCN Red List of Threatened Species 2015: e.T15955A50659951. https://dx.doi.org/10.2305/IUCN.UK.2015-2.RLTS.T15955A50659951.en. Downloaded on 19 December 2019.
- where the electronic page number
e.T15955A50659951
contains the taxon ID (between the T and A) and the assessment ID (after the A). These two identifying numbers are also contained in the doi.
When there is an amendment to an assessment, a new assessment number is assigned, which causes a change in the electronic page number and the url of the page.
The behaviour of the doi is unusual. A new assessment does not cause a new doi, it retains the original assessment number. If this is used by a template to construct a url, it will be to the original version of the assessment. However, if the url of the doi is followed, the IUCN doi resolver redirects to the latest assessment. The target of the doi has changed to the revised version of the IUCN assessment. Thus if the template uses the doi url the linked page will change from the one seen by the editor who added the citation.
Therefore this module will create a url with the following order of precedence:
- Use the electronic page number set by the
|page=
parameter to generate the url. - Use the
|id=
to generate the url if it is of the two new-style two part form, i.e.TAXON_ID/ASSESSMENT_ID
(e.g.15955/50659951
) - Use the
|doi=
parameter to generate the url. This is last choice because it uses the number of the original assessment even when the assessment has been amended.
When none of the above options are available, and when |url=
has the old form, this module will change the scheme from http://
to https://
in an attempt to make a working link (see next section).
Legacy issue with old-style urls
There is still a legacy issue with old-style IUCN urls, which are still used in many Wikipedia citations.
Some months after the change to the new-style urls, the IUCN introduced redirects for the old-style urls that link to the appropriate pages addressed by the new style url. In most cases these redirects will work. So the oldstyle url for the tiger https://www.iucnredlist.org/details/15955/0
correctly links to the assessment at https://www.iucnredlist.org/species/15955/50659951
(see tiger).
However, not all assessments redirect. For instance, the oldstyle url for the Bengal mud eel http://www.iucnredlist.org/details/166410/0
links to the home page (see Bengal mud eel).
This failure of some old style url to be redirected is unexpected, as the redirect function of the IUCN API does link to the correct page. A url of the form
https://apiv3.iucnredlist.org/api/v3/taxonredirect/166410
- will link to the correct page, even in cases where the automatic redirect faile, e.g. the Bengal mud eel.
However, redirects are not available when the taxon id has been replaced and an error in JSON format is returned (e.g. for house sparrow).
New taxon IDs
There is another case where the old style urls gives dead links, when the taxon ID has changed. For instance, the Italian sparrow was split off from the house sparrow as a new species and both assigned new taxon IDs. This left any old style urls to the original assessment as dead links.
- Old-style url
http://www.iucnredlist.org/details/149100/0
for house sparrow (dead link on old taxon id149100
) - New-style url
https://www.iucnredlist.org/species/103818789/155522130
for house sparrow (Passer domesticus), using new taxon id and assessment number103818789/155522130
. - New-style url
https://www.iucnredlist.org/species/103819014/132196181
for Italian sparrow (Passer italiae), using new taxon id and assessment number103819014/132196181
.
In this case there is no action the template/module can take to resolve the issue. Active intervention of an editor is required.
require('strict');
local getArgs = require ('Module:Arguments').getArgs;
local amendment_pattern = '%s*%(amended version of (%d%d%d%d) assessment%)';
local errata_pattern = '%s*%(errata version published in (%d%d%d%d)%)';
local green_status_pattern = '%s*%((Green Status assessment)%)';
--[[--------------------------< I U C N _ I D E N T I F I E R S _ G E T >--------------------------------------
cs1|2 templates cite single sources; when the identifiers in |doi=, |id=, and |page= are different from each other
then the template is attempting to cite multiple sources. This function evaluates the identifier portions of these
parameters. returns seven values: identifyier parts (or nil when parameter not used) and a message (nil on success,
error message else)
the identifier portions of the several parameters must be properly formed
]]
local function iucn_identifiers_get (args, error_msgs_t)
local doi_taxon_ID, doi_assesment_ID
local page_taxon_ID, page_assesment_ID
local url_taxon_ID, url_assesment_ID
if args.doi then
local lang_tag
doi_taxon_ID, doi_assesment_ID, lang_tag = args.doi:match ('[Tt](%d+)[Aa](%d+)%.(%l%l)$')
if not doi_taxon_ID or not ({['en'] = true, ['es'] = true, ['fr'] = true, ['pt'] = true})[lang_tag] then
table.insert (error_msgs_t, 'malformed |doi= identifier');
end
end
if args.page then
page_taxon_ID, page_assesment_ID = args.page:match ('^[eE]%.[Tt](%d+)[Aa](%d+)$')
if not page_taxon_ID then
table.insert (error_msgs_t, 'malformed |page= identifier');
end
end
if args.url then
if args.url:match ('https://www.iucnredlist.org/species/') then -- must be a 'new-form' url
url_taxon_ID, url_assesment_ID = args.url:match ('/species/(%d+)/(%d+)')
if not url_taxon_ID then
table.insert (error_msgs_t, 'malformed |url= identifier');
end
end
end
if not error_msgs_t[1] then
if doi_taxon_ID and page_taxon_ID then
if (doi_taxon_ID ~= page_taxon_ID or ((doi_assesment_ID ~= page_assesment_ID) and not args.errata)) then
table.insert (error_msgs_t, '|doi= / |page= mismatch');
end
end
if doi_taxon_ID and url_taxon_ID then
if (doi_taxon_ID ~= url_taxon_ID or ((doi_assesment_ID ~= url_assesment_ID) and not args.errata)) then
table.insert (error_msgs_t, '|doi= / |url= mismatch');
end
end
if page_taxon_ID and url_taxon_ID then
if (page_taxon_ID ~= url_taxon_ID or ((page_assesment_ID ~= url_assesment_ID) and not args.errata)) then
table.insert (error_msgs_t, '|page= / |url= mismatch');
end
end
end
return doi_taxon_ID, doi_assesment_ID, page_taxon_ID, page_assesment_ID;
end
--[[--------------------------< I U C N _ V O L U M E _ C H E C K >--------------------------------------------
compares volume in |volume= (if present) against year in |date= or |year= (if present) against volume in |doi= (if present)
returns nil if all that are present are correct; message else
]]
local function iucn_volume_check (args, maint_msgs_t)
local vol = args.volume;
local date = args.date or args.year;
local doi = args.doi and args.doi:match ('[Ii][Uu][Cc][Nn]%.[Uu][Kk]%.(%d%d%d%d)')
if vol and date and (vol ~= date) then
table.insert (maint_msgs_t, '|volume= / |date= mismatch');
end
if vol and doi and ((vol ~= doi) and not args.amends) then
table.insert (maint_msgs_t, '|volume= / |doi= mismatch');
end
if date and doi and ((doi ~= date) and not args.amends) then
table.insert (maint_msgs_t, '|date= / |doi= mismatch');
end
end
--[[--------------------------< C I T E >----------------------------------------------------------------------
Wraps {{cite journal}}:
takes cite journal parameters but updates old style url using electronic page number
page should be in format e.T13922A45199653
the url uses 13922/45199653
so we need to extract the number between T and A (taxon ID) and the number after A (assessment ID)
the target url is https://www.iucnredlist.org/species/13922/45199653
usage: {{#invoke:iucn|cite}}
template: {{Template:Cite iucn}}
]]
local function cite (frame)
local error_msgs_t = {}; -- holds error messages for rendering
local maint_msgs_t = {}; -- holds hidden maint messages for rendering
local namespace = mw.title.getCurrentTitle().namespace; -- used for categorization
local args = getArgs (frame); -- local copy of template arguments
if args.title and (args.title:match (errata_pattern) or args.title:match (amendment_pattern)) then
table.insert (error_msgs_t, 'title has extraneous text'); -- announce that this template has has errata or amendment text
end
local doi_taxon_ID, doi_assesment_ID; -- all of these contain the same identifying info in slightly
local page_taxon_ID, page_assesment_ID; -- different forms. when any combination of these is present,
doi_taxon_ID, doi_assesment_ID, page_taxon_ID, page_assesment_ID = iucn_identifiers_get (args, error_msgs_t);
args.id = nil -- unset; not supported
local url_taxon_ID = page_taxon_ID or doi_taxon_ID; -- select for use in url that we will create
local url_assesment_ID = page_assesment_ID or doi_assesment_ID;
local url = args.url;
if url then
if url:find ('iucnredlist.org/details/', 1, true) then -- old-form url
if url_taxon_ID then -- when there is an identifier
url = nil -- unset; we'll create new url below
else -- here when old-form but no identifier that we can use to create new url
args.url = args.url:gsub ("http:", "https:") -- sometimes works with redirect on iucn site
end
table.insert (maint_msgs_t, 'old-form url') -- announce that this template has has an old-form url
elseif url:find ('iucnredlist.org/species/', 1, true) then -- new-form url
-- table.insert (maint_msgs_t, 'new-form url') --TODO: restore this line when most new-form urls have been removed from article space -- announce that this template has has an new-form url
else
table.insert (error_msgs_t, 'unknown url') -- emit error message
end
end
if not url then -- when no url or unset old-form url
if url_taxon_ID then
args.url = "https://www.iucnredlist.org/species/" .. url_taxon_ID .. '/' .. url_assesment_ID
else
table.insert (error_msgs_t, 'no identifier') -- emit error message
end
end
-- add journal if not provided (TODO decide if this should override provided value)
if not args['journal'] and not args['work'] then
args['journal'] = "[[IUCN Red List|IUCN Red List of Threatened Species]]"
end
iucn_volume_check (args, maint_msgs_t); -- |volume=, |year= (|date=), |doi= must all refer to the same volume
if not args.volume and (args.year or args.date) then
args.volume = args.year or args.date
end
if args.errata then
args['orig-date'] = 'errata version of ' .. (args.year or args.date or args.volume) .. ' assessment';
args.date = args.errata; -- update publication data to errata year
args.year = nil; -- unset these as no longer needed
args.errata = nil;
elseif args.amends then
args['orig-date'] = 'amended version of ' .. args.amends .. ' assessment';
args.amends = nil; -- unset as no longer needed
end
-- add free-to-read icon to mark a correctly formed doi
args['doi-access'] = args.doi and args.doi:match ('10%.2305/[Ii][Uu][Cc][Nn].+[Tt]%d+[Aa]%d+%.%a%a') and 'free' or nil
local out_t = {};
if error_msgs_t[1] then
table.insert (out_t, ' <span class="error" style="font-size:100%">{{[[Template:cite iucn|cite iucn]]}}: error: ');
table.insert (out_t, table.concat (error_msgs_t, ', '));
table.insert (out_t, ' ([[Template:Cite iucn#Error messages|help]])</span>');
if (0 == namespace) then
table.insert (out_t, '[[Category:cite IUCN errors]]');
end
end
if maint_msgs_t[1] then
table.insert (out_t, '<span class="citation-comment" style="display: none; color: #33aa33; margin-left: 0.3em;">');
if not error_msgs_t[1] then
table.insert (out_t, '{{[[Template:cite iucn|cite iucn]]}}: ')
table.insert (out_t, table.concat (maint_msgs_t, ', '));
table.insert (out_t, ' ([[Template:Cite iucn#Maintenance messages|help]])</span>');
if (0 == namespace) then
table.insert (out_t, '[[Category:cite IUCN maint]]');
end
end
end
if (not args['doi-access']) and (0 == namespace) then
table.insert (out_t, '[[Category:cite IUCN without doi]]');
end
return frame:expandTemplate{ title = 'cite journal', args = args } .. -- the template
table.concat (out_t); -- error and maint messages and categories
end
--[=[-------------------------< E T _ A L _ P A T T E R N S >--------------------------------------------------
This adapted from Module:Citation/CS1/Configuration
This table provides Lua patterns for the phrase "et al" and variants in a name.
]=]
local et_al_patterns = {
"[;,]? *[\"']*%f[%a][Ee][Tt]%.? *[Aa][Ll][%.;,\"']*$", -- variations on the 'et al' theme
"[;,]? *[\"']*%f[%a][Ee][Tt]%.? *[Aa][Ll][Ii][AaIi][Ee]?[%.;,\"']*$", -- variations on the 'et alia', 'et alii' and 'et aliae' themes (false positive 'et aliie' unlikely to match)
"[;,]? *%f[%a]and [Oo]thers", -- an alternative to et al.
}
--[[---------------------< N A M E _ H A S _ E T A L >--------------------------
This adapted from Module:Citation/CS1
Evaluates the content of a name for variations on the theme of et al. If found,
returns true; nil else
]]
local function name_has_etal (name)
local etal;
if name then -- name can be nil in which case just return
name = name:gsub ('%b<>', ''); -- remove any html markup (typically <i>...</i>)
for _, pattern in ipairs (et_al_patterns) do -- loop through all of the patterns
if name:match (pattern) then -- if this 'et al' pattern is found in name
return true; -- has etal, so return true
end
end
end
end
--[[--------------------------< A U T H O R _ L I S T _ M A K E >----------------------------------------------
creates a list of individual |authorn= parameters from the list of names provided in the raw iucn citation. names
must have the form: Surname, I. (more than one 'I.' pair allowed but no spaces between I. pairs)
assumes that parenthetical text at the end of the author-name-list is a collaboration
Name, I.I., & Name, I.I. (Colaboration name)
assumes that <i>et al.</i> is the last name in a list of names
]]
--local function author_names_get (raw_iucn_cite)
local function author_names_get (raw_iucn_cite, params_t) -- EXPERIMENT
local list = {}; -- table that holds name list parts
local author_names = raw_iucn_cite:match ('^([^%d]-)%s+%d%d%d%d'); -- extract author name-list from raw iucn citation
local collaboration = author_names:match ('%s*(%b())$'); -- get collaboration name if it exists
if collaboration then -- when there is a colaboration
collaboration = collaboration:gsub ('[%(%)]', ''); -- remove bounding parentheses
author_names = author_names:gsub ('%s*(%b())$', ''); -- and remove collaboration from author-name-list
end
local names = author_names:gsub ('%.?,?%s+&%s+', '.|'); -- replace 'separators' (<optional dot><optional comma><space><ampersand><space>) with <dot><pipe>
names = names:gsub ('%.,%s*', '.|'); -- replace 'separators' (<dot><comma><optional space>) with <dot><pipe>
names = names:gsub ('(%.%u),', '%1.|'); -- special case for when last initial is missing its trailing dot
list = mw.text.split (names, '|'); -- split the string on the pipes into entries in list{}
if 0 == #list then
params_t['author'] = author_names; -- EXPERIMENT
return table.concat ({'|author=', author_names}), params_t; -- EXPERIMENT -- no 'names' of the proper form; return the original as a single |author= parameter
-- return table.concat ({'|author=', author_names}) -- no 'names' of the proper form; return the original as a single |author= parameter
else
for i, name in ipairs (list) do -- spin through the list and
if name_has_etal (name) then -- if this name has some form of 'et al'
params_t['display-authors'] = 'etal'; -- EXPERIMENT
list[i] = '|display-authors=etal'; -- add |dispaly-authors=etal parameter and
break; -- assume that the etal was the last 'name' so stop processing names
else
params_t['author' .. i] = name; -- EXPERIMENT
list[i] = table.concat ({'|author', (i == 1) and '' or i, '=', name}); -- add |authorn= parameter names; create |author= instead of |author1=
end
end
if collaboration then
params_t['collaboration'] = collaboration; -- EXPERIMENT
table.insert (list, table.concat ({'|collaboration', '=', collaboration})); -- add |collaboration= parameter
end
return table.concat (list, ' '); -- make a big string and return that
end
end
--[[--------------------------< T I T L E _ G E T >------------------------------------------------------------
extract and format citation title; attempts to get the italic right
''binomen'' (amended or errata title)
''binomen''
''binomen'' ssp. ''subspecies''
''binomen'' subsp. ''subspecies''
''binomen'' var. ''variety''
''binomen'' subvar. ''subvariety''
all of the above may have trailing amended or errata text in parentheses
TODO: are there others?
]]
local function title_get (raw_iucn_cite)
local title = raw_iucn_cite:match ('%d%d%d%d%.%s+(.-)%s*%. The IUCN Red List of Threatened Species');
local patterns = { -- tables of string.match patterns [1] and string.gsub patterns [2]
{'(.-)%sssp%.%s+(.-)%s(%b())$', "''%1'' ssp. ''%2'' %3"}, -- binomen ssp. subspecies (zoology) with errata or amended text
{'(.-)%sssp%.%s+(.+)', "''%1'' ssp. ''%2''"}, -- binomen ssp. subspecies (zoology)
{'(.-)%ssubsp%.%s+(.-)%s(%b())$', "''%1'' subsp. ''%2'' %3"}, -- binomen subsp. subspecies (botany) with errata or amended text
{'(.-)%ssubsp%.%s+(.+)', "''%1'' subsp. ''%2''"}, -- binomen subsp. subspecies (botany)
{'(.-)%svar%.%s+(.-)%s+(%b())$', "''%1'' var. ''%2'' %3"}, -- binomen var. variety (botany) with errata or amended text
{'(.-)%svar%.%s+(.+)', "''%1'' var. ''%2''"}, -- binomen var. variety (botany)
{'(.-)%ssubvar%.%s+(.-)%s(%b())$', "''%1'' subvar. ''%2'' %3"}, -- binomen subvar. subvariety (botany) with errata or amended text
{'(.-)%ssubvar%.%s+(.+)', "''%1'' subvar. ''%2''"}, -- binomen subvar. subvariety (botany)
{'(.-)%s*(%b())$', "''%1'' %2"}, -- binomen with errata or amended text
{'(.+)', "''%1''"}, -- binomen
}
for i, v in ipairs (patterns) do -- spin through the patterns
if title:match (v[1]) then -- when a match
title = title:gsub (v[1], v[2]); -- add italics
break; -- and done
end
end
-- return table.concat ({' |title=', title}); -- return the |title= parameter
return title; -- return the formatted title
end
--[[--------------------------< M A K E _ C I T E _ I U C N >--------------------------------------------------
parses apart an iucn-format citation copied from their webpage and reformats that into a {{cite iucn}} template for substing
automatic substing by User:AnomieBOT/docs/TemplateSubster
]]
local function make_cite_iucn (frame)
local args_t = getArgs (frame);
local raw_iucn_cite = args_t[1];
local template_t = {'{{cite iucn '}; -- sequence that holds the {{cite iucn}} template as it is being assembled; for nowiki'd output
local params_t = {}; -- table of parameter/value pairs for substing
local year, volume, page, doi, accessdate;
year = raw_iucn_cite:match ('^%D+(%d%d%d%d)');
volume, page = raw_iucn_cite:match ('(%d%d%d%d):%s+(e%.T%d+A+%d+)%.%s?');
doi = raw_iucn_cite:match ('10%.2305/IUCN%.UK%.[%d%-]+%.RLTS%.T%d+A%d+%.%a%a');
accessdate = raw_iucn_cite:match ('Accessed on (.-)%.?$') or raw_iucn_cite:match ('Downloaded on (.-)%.?$'); -- 'Downloaded' → 'Accessed' change occured December 2021;
accessdate = accessdate:gsub ('^0', ''); -- strips leading 0 in day 01 January 2020 -> 1 January 2020
table.insert (template_t, author_names_get (raw_iucn_cite, params_t)); -- add author name parameters; as a single string to <template_t>; as individual entries to <params_t>
table.insert (template_t, table.concat ({' |year=', year})); -- add formatted year
params_t.year = year;
local title = title_get (raw_iucn_cite);
local type_p = title:match (green_status_pattern);
if type_p then
title = title:match ('^([^%(]+)%s*%(');
table.insert (template_t, table.concat ({' |type=', type_p})); -- add formatted errata
params_t.type = type_p;
end
local errata = title:match (errata_pattern); -- nil unless IUCN citation has errata annotation; else year that this errata published (|date=)
if errata then
table.insert (template_t, table.concat ({' |errata=', errata})); -- add formatted errata
params_t.errata = errata;
title = title:gsub (errata_pattern, ''); -- remove errata annotation
end
local amends = title:match (amendment_pattern); -- nil unless IUCN citation has amendment annotation; else year that this assessment amends (|orig-date=)
if amends then
table.insert (template_t, table.concat ({' |amends=', amends})); -- add year of assessment that this assessment amends
params_t.amends = amends;
title = title:gsub (amendment_pattern, ''); -- remove amendment annotation
end
table.insert (template_t, table.concat ({' |title=', title})); -- add formatted title
params_t.title = title;
table.insert (template_t, table.concat ({' |volume=', volume})); -- add formatted volume
params_t.volume = volume;
table.insert (template_t, table.concat ({' |page=', page})); -- add formatted page
params_t.page = page;
table.insert (template_t, table.concat ({' |doi=', doi})); -- add formatted doi
params_t.doi = doi;
table.insert (template_t, table.concat ({' |access-date=', accessdate})); -- add formatted access-date
params_t['access-date'] = accessdate;
table.insert (template_t, '}}'); -- close the template
if args_t[2] then -- if anything in args_t[2], write a nowiki'd version that editors can copy into <ref> tags
return frame:preprocess (table.concat ({'<syntaxhighlight lang="wikitext" inline="1">', table.concat (template_t), '</syntaxhighlight>'})); -- caveat lector: if left long enough anomiebot will subst this
end
if args_t['ref'] then -- enable subst of ref tags with name
return frame:preprocess ('<ref name=' .. args_t['ref'] .. '>' .. table.concat (template_t) .. '</ref>')
end
return frame:preprocess (table.concat (template_t)); -- render {{cite iucn}} template; substable
end
--[[--------------------------< E X P O R T E D F U N C T I O N S >------------------------------------------
]]
return {
cite = cite,
make_cite_iucn = make_cite_iucn,
}