/usr/share/genometools/gtdata/modules/gtlua.lua is in genometools-common 1.5.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) 2007-2008 Gordon Gremme <gremme@zbh.uni-hamburg.de>
Copyright (c) 2007-2008 Center for Bioinformatics, University of Hamburg
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
]]
local modname = ...
module(modname, package.seeall)
require 'gt'
-- all GenomeTools modules which should be loaded
local gtmodules = { "fileutils",
"gtlua.feature_index",
"gtlua.genome_features",
"gtlua.genome_node",
"gtlua.helper",
"gtlua.range" }
-- everything that will be exported to the gt table
local gtexport = {}
local function load_module(mod)
assert(mod)
local t = require(mod)
for k, v in pairs(t) do
if k ~= "_M" and k ~= "_NAME" and k~= "_PACKAGE" then
assert(not gtexport[k]) -- symbol is undefined
gtexport[k] = v -- record symbol for export
end
end
end
local function load_modules(modules)
assert(modules)
-- load all modules
for _, mod in ipairs(modules) do
load_module(mod)
end
-- export all symbols
for k, v in pairs(gtexport) do
assert(not gt[k]) -- symbol is undefined
gt[k] = v -- export symbol
end
end
-- Reload <gt> module.
function reload()
-- remove all exported symbols from gt table
for k in pairs(gtexport) do
gt[k] = nil
end
-- mark all packages as unloaded
for _, mod in ipairs(gtmodules) do
package.loaded[mod] = nil
end
package.loaded[modname] = nil
-- reload
require(modname)
end
-- register reload() function in gt table
gt.reload = reload
load_modules(gtmodules)
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