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This commit is contained in:
Bob Omb 2015-10-25 13:56:01 -07:00
parent e3a8e74fff
commit 0b08fdf536
15 changed files with 1931 additions and 64 deletions
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191
init.lua
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@ -21,46 +21,76 @@ realterrain.settings.filedem = 'dem.tif'
realterrain.settings.filewater = 'water.tif'
realterrain.settings.fileroads = 'roads.tif'
realterrain.settings.filebiome = 'biomes.tif'
realterrain.settings.b01cut = 10
realterrain.settings.b01ground = "default:dirt_with_grass"
realterrain.settings.b01tree = "tree"
realterrain.settings.b01tprob = 0.3
realterrain.settings.b01shrub = "default:grass_1"
realterrain.settings.b01sprob = 5
realterrain.settings.b02cut = 20
realterrain.settings.b02ground = "default:dirt_with_dry_grass"
realterrain.settings.b02tree = "tree"
realterrain.settings.b02tprob = 0.3
realterrain.settings.b02shrub = "default:dry_gass_1"
realterrain.settings.b02sprob = 5
realterrain.settings.b03cut = 30
realterrain.settings.b03ground = "default:sand"
realterrain.settings.b03tree = "cactus"
realterrain.settings.b03tprob = 0.3
realterrain.settings.b03shrub = "default:dry_grass_1"
realterrain.settings.b03sprob = 5
realterrain.settings.b04cut = 40
realterrain.settings.b04ground = "default:gravel"
realterrain.settings.b04tree = "cactus"
realterrain.settings.b04tprob = 0.3
realterrain.settings.b04shrub = "default:dry_shrub"
realterrain.settings.b04sprob = 5
realterrain.settings.b05cut = 50
realterrain.settings.b05ground = "default:clay"
realterrain.settings.b05tree = "tree"
realterrain.settings.b05tree = ""
realterrain.settings.b05tprob = 0.3
realterrain.settings.b05shrub = "default:dry_shrub"
realterrain.settings.b05sprob = 5
realterrain.settings.b06cut = 60
realterrain.settings.b06ground = "default:stone"
realterrain.settings.b06tree = "tree"
realterrain.settings.b06tree = ""
realterrain.settings.b06tprob = 0.3
realterrain.settings.b06shrub = "default:junglegrass"
realterrain.settings.b06sprob = 5
realterrain.settings.b07cut = 70
realterrain.settings.b07ground = "default:stone_with_iron"
realterrain.settings.b07tree = "tree"
realterrain.settings.b07tree = "jungletree"
realterrain.settings.b07tprob = 0.3
realterrain.settings.b07shrub = "default:junglegrass"
realterrain.settings.b07sprob = 5
realterrain.settings.b08cut = 80
realterrain.settings.b08ground = "default:stone_with_coal"
realterrain.settings.b08tree = "tree"
realterrain.settings.b08tree = ""
realterrain.settings.b08tprob = 0.3
realterrain.settings.b08shrub = "default:junglegrass"
realterrain.settings.b08sprob = 5
realterrain.settings.b09cut = 90
realterrain.settings.b09ground = "default:stone_with_copper"
realterrain.settings.b09tree = "tree"
realterrain.settings.b09tree = "jungletree"
realterrain.settings.b09tprob = 0.3
realterrain.settings.b09shrub = "default:junglegrass"
realterrain.settings.b09sprob = 5
realterrain.settings.b10cut = 100
realterrain.settings.b10ground = "default:dirt_with_snow"
realterrain.settings.b10tree = "tree"
realterrain.settings.b10tree = "snowtree"
realterrain.settings.b10tprob = 0.3
realterrain.settings.b10shrub = "default:dry_grass_1"
realterrain.settings.b10sprob = 5
--called at each form submission
function realterrain.save_settings()
@ -106,6 +136,11 @@ end
--read from file, various persisted settings
realterrain.load_settings()
--need to override the minetest.formspec_escape to return empty string when nil
function realterrain.esc(str)
if str == "" or not str then return "" else return minetest.formspec_escape(str) end
end
function realterrain.list_images()
local dir = MODPATH .. "/dem/"
local list = {}
@ -192,39 +227,67 @@ minetest.register_on_generated(function(minp, maxp, seed)
local elev, biome, water, road = realterrain.get_pixel(x, z) -- elevation in meters from DEM and water true/false
--print("elev: "..elev..", biome: "..biome..", water: "..water..", road: "..road)
local ground, shrub, sprob, tprob, tree
sprob, tprob = 5, 0.3
tree = "tree"
if biome < tonumber(realterrain.get_setting("b01cut")) then
local ground, tree, tprob, shrub, sprob
if biome < tonumber(realterrain.get_setting("b01cut")) then
ground = cids[1].ground
tree = realterrain.get_setting("b01tree")
tprob = tonumber(realterrain.get_setting("b01tprob"))
shrub = cids[1].shrub
sprob = tonumber(realterrain.get_setting("b01sprob"))
elseif biome < tonumber(realterrain.get_setting("b02cut")) then
ground = cids[2].ground
tree = realterrain.get_setting("b02tree")
tprob = tonumber(realterrain.get_setting("b02tprob"))
shrub = cids[2].shrub
sprob = tonumber(realterrain.get_setting("b02sprob"))
elseif biome < tonumber(realterrain.get_setting("b03cut")) then
ground = cids[3].ground
tree = realterrain.get_setting("b03tree")
tprob = tonumber(realterrain.get_setting("b03tprob"))
shrub = cids[3].shrub
sprob = tonumber(realterrain.get_setting("b03sprob"))
elseif biome < tonumber(realterrain.get_setting("b04cut")) then
ground = cids[4].ground
tree = realterrain.get_setting("b04tree")
tprob = tonumber(realterrain.get_setting("b04tprob"))
shrub = cids[4].shrub
sprob = tonumber(realterrain.get_setting("b04sprob"))
elseif biome < tonumber(realterrain.get_setting("b05cut")) then
ground = cids[5].ground
tree = realterrain.get_setting("b05tree")
tprob = tonumber(realterrain.get_setting("b05tprob"))
shrub = cids[5].shrub
sprob = tonumber(realterrain.get_setting("b05sprob"))
elseif biome < tonumber(realterrain.get_setting("b06cut")) then
ground = cids[6].ground
tree = realterrain.get_setting("b06tree")
tprob = tonumber(realterrain.get_setting("b06tprob"))
shrub = cids[6].shrub
sprob = tonumber(realterrain.get_setting("b06sprob"))
elseif biome < tonumber(realterrain.get_setting("b07cut")) then
ground = cids[7].ground
tree = realterrain.get_setting("b07tree")
tprob = tonumber(realterrain.get_setting("b07tprob"))
shrub = cids[7].shrub
sprob = tonumber(realterrain.get_setting("b07sprob"))
elseif biome < tonumber(realterrain.get_setting("b08cut")) then
ground = cids[8].ground
tree = realterrain.get_setting("b08tree")
tprob = tonumber(realterrain.get_setting("b08tprob"))
shrub = cids[8].shrub
sprob = tonumber(realterrain.get_setting("b08sprob"))
elseif biome < tonumber(realterrain.get_setting("b09cut")) then
ground = cids[9].ground
tree = realterrain.get_setting("b09tree")
tprob = tonumber(realterrain.get_setting("b09tprob"))
shrub = cids[9].shrub
sprob = tonumber(realterrain.get_setting("b09sprob"))
elseif biome < tonumber(realterrain.get_setting("b10cut")) then
ground = cids[10].ground
tree = realterrain.get_setting("b10tree")
tprob = tonumber(realterrain.get_setting("b10tprob"))
shrub = cids[10].shrub
sprob = tonumber(realterrain.get_setting("b10sprob"))
end
local vi = area:index(x, y0, z) -- voxelmanip index
@ -270,11 +333,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
--shrubs and trees one block above the ground
elseif y == elev + 1 and water == 0 and road == 0 then
if math.random(0,100) <= sprob then
if shrub and math.random(0,100) <= sprob then
data[vi] = shrub
end
if math.random(0,100) <= tprob then
table.insert(treemap, {pos={x=x,y=y,z=z}, type="tree"})
if tree and y < tonumber(realterrain.settings.alpinelevel) + math.random(1,5) and math.random(0,100) <= tprob then
table.insert(treemap, {pos={x=x,y=y,z=z}, type=tree})
end
elseif y <= tonumber(realterrain.settings.waterlevel) then
data[vi] = c_water
@ -291,7 +354,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
--place all the trees
for k,v in next, treemap do
minetest.place_schematic({x=v.pos.x-3,y=v.pos.y,z=v.pos.z-3}, MODPATH.."/schems/"..v.type..".mts")
minetest.place_schematic({x=v.pos.x-3,y=v.pos.y,z=v.pos.z-3}, MODPATH.."/schems/"..v.type..".mts", (math.floor(math.random(0,3)) * 90), nil, false)
end
local chugent = math.ceil((os.clock() - t0) * 1000)
@ -413,23 +476,23 @@ function realterrain.show_rc_form(pname)
" y= "..math.floor(ppos.y).." z= "..math.floor(ppos.z).." and mostly facing "..dir.."]"
--Scale settings
local f_scale_settings = "field[1,1;4,1;bits;Bit Depth;"..
minetest.formspec_escape(realterrain.get_setting("bits")).."]" ..
realterrain.esc(realterrain.get_setting("bits")).."]" ..
"field[1,2;4,1;yscale;Vertical meters per voxel;"..
minetest.formspec_escape(realterrain.get_setting("yscale")).."]" ..
realterrain.esc(realterrain.get_setting("yscale")).."]" ..
"field[1,3;4,1;xscale;East-West voxels per pixel;"..
minetest.formspec_escape(realterrain.get_setting("xscale")).."]" ..
realterrain.esc(realterrain.get_setting("xscale")).."]" ..
"field[1,4;4,1;zscale;North-South voxels per pixel;"..
minetest.formspec_escape(realterrain.get_setting("zscale")).."]" ..
realterrain.esc(realterrain.get_setting("zscale")).."]" ..
"field[1,5;4,1;waterlevel;Water Level;"..
minetest.formspec_escape(realterrain.get_setting("waterlevel")).."]"..
realterrain.esc(realterrain.get_setting("waterlevel")).."]"..
"field[1,6;4,1;alpinelevel;Alpine Level;"..
minetest.formspec_escape(realterrain.get_setting("alpinelevel")).."]"..
realterrain.esc(realterrain.get_setting("alpinelevel")).."]"..
"field[1,7;4,1;yoffset;Vertical Offset;"..
minetest.formspec_escape(realterrain.get_setting("yoffset")).."]" ..
realterrain.esc(realterrain.get_setting("yoffset")).."]" ..
"field[1,8;4,1;xoffset;East Offset;"..
minetest.formspec_escape(realterrain.get_setting("xoffset")).."]" ..
realterrain.esc(realterrain.get_setting("xoffset")).."]" ..
"field[1,9;4,1;zoffset;North Offset;"..
minetest.formspec_escape(realterrain.get_setting("zoffset")).."]" ..
realterrain.esc(realterrain.get_setting("zoffset")).."]" ..
"label[6,1;Elevation File]"..
"dropdown[6,1.5;4,1;filedem;"..f_images..";"..
realterrain.get_image_id(images, realterrain.get_setting("filedem")) .."]" ..
@ -466,103 +529,103 @@ function realterrain.show_biome_form(pname)
"label[0.2,0.6;01]"..
"field[2,0.7;1,1;b01cut;;"..
minetest.formspec_escape(realterrain.get_setting("b01cut")).."]" ..
realterrain.esc(realterrain.get_setting("b01cut")).."]" ..
"field[3,0.7;3,1;b01ground;;"..
minetest.formspec_escape(realterrain.get_setting("b01ground")).."]" ..
realterrain.esc(realterrain.get_setting("b01ground")).."]" ..
"field[6,0.7;3,1;b01tree;;"..
minetest.formspec_escape(realterrain.get_setting("b01tree")).."]" ..
realterrain.esc(realterrain.get_setting("b01tree")).."]" ..
"field[9,0.7;3,1;b01shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b01shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b01shrub")).."]" ..
"label[0.2,1.6;02]"..
"field[2,1.7;1,1;b02cut;;"..
minetest.formspec_escape(realterrain.get_setting("b02cut")).."]" ..
realterrain.esc(realterrain.get_setting("b02cut")).."]" ..
"field[3,1.7;3,1;b02ground;;"..
minetest.formspec_escape(realterrain.get_setting("b02ground")).."]" ..
realterrain.esc(realterrain.get_setting("b02ground")).."]" ..
"field[6,1.7;3,1;b02tree;;"..
minetest.formspec_escape(realterrain.get_setting("b02tree")).."]" ..
realterrain.esc(realterrain.get_setting("b02tree")).."]" ..
"field[9,1.7;3,1;b02shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b02shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b02shrub")).."]" ..
"label[0.2,2.6;03]"..
"field[2,2.7;1,1;b03cut;;"..
minetest.formspec_escape(realterrain.get_setting("b03cut")).."]" ..
realterrain.esc(realterrain.get_setting("b03cut")).."]" ..
"field[3,2.7;3,1;b03ground;;"..
minetest.formspec_escape(realterrain.get_setting("b03ground")).."]" ..
realterrain.esc(realterrain.get_setting("b03ground")).."]" ..
"field[6,2.7;3,1;b03tree;;"..
minetest.formspec_escape(realterrain.get_setting("b03tree")).."]" ..
realterrain.esc(realterrain.get_setting("b03tree")).."]" ..
"field[9,2.7;3,1;b03shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b03shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b03shrub")).."]" ..
"label[0.2,3.6;04]"..
"field[2,3.7;1,1;b04cut;;"..
minetest.formspec_escape(realterrain.get_setting("b04cut")).."]" ..
realterrain.esc(realterrain.get_setting("b04cut")).."]" ..
"field[3,3.7;3,1;b04ground;;"..
minetest.formspec_escape(realterrain.get_setting("b04ground")).."]" ..
realterrain.esc(realterrain.get_setting("b04ground")).."]" ..
"field[6,3.7;3,1;b04tree;;"..
minetest.formspec_escape(realterrain.get_setting("b04tree")).."]" ..
realterrain.esc(realterrain.get_setting("b04tree")).."]" ..
"field[9,3.7;3,1;b04shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b04shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b04shrub")).."]" ..
"label[0.2,4.6;05]"..
"field[2,4.7;1,1;b05cut;;"..
minetest.formspec_escape(realterrain.get_setting("b05cut")).."]" ..
realterrain.esc(realterrain.get_setting("b05cut")).."]" ..
"field[3,4.7;3,1;b05ground;;"..
minetest.formspec_escape(realterrain.get_setting("b05ground")).."]" ..
realterrain.esc(realterrain.get_setting("b05ground")).."]" ..
"field[6,4.7;3,1;b05tree;;"..
minetest.formspec_escape(realterrain.get_setting("b05tree")).."]" ..
realterrain.esc(realterrain.get_setting("b05tree")).."]" ..
"field[9,4.7;3,1;b05shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b05shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b05shrub")).."]" ..
"label[0.2,5.6;06]"..
"field[2,5.7;1,1;b06cut;;"..
minetest.formspec_escape(realterrain.get_setting("b06cut")).."]" ..
realterrain.esc(realterrain.get_setting("b06cut")).."]" ..
"field[3,5.7;3,1;b06ground;;"..
minetest.formspec_escape(realterrain.get_setting("b06ground")).."]" ..
realterrain.esc(realterrain.get_setting("b06ground")).."]" ..
"field[6,5.7;3,1;b06tree;;"..
minetest.formspec_escape(realterrain.get_setting("b06tree")).."]" ..
realterrain.esc(realterrain.get_setting("b06tree")).."]" ..
"field[9,5.7;3,1;b06shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b06shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b06shrub")).."]" ..
"label[0.2,6.6;07]"..
"field[2,6.7;1,1;b07cut;;"..
minetest.formspec_escape(realterrain.get_setting("b07cut")).."]" ..
realterrain.esc(realterrain.get_setting("b07cut")).."]" ..
"field[3,6.7;3,1;b07ground;;"..
minetest.formspec_escape(realterrain.get_setting("b07ground")).."]" ..
realterrain.esc(realterrain.get_setting("b07ground")).."]" ..
"field[6,6.7;3,1;b07tree;;"..
minetest.formspec_escape(realterrain.get_setting("b07tree")).."]" ..
realterrain.esc(realterrain.get_setting("b07tree")).."]" ..
"field[9,6.7;3,1;b07shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b07shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b07shrub")).."]" ..
"label[0.2,7.6;08]"..
"field[2,7.7;1,1;b08cut;;"..
minetest.formspec_escape(realterrain.get_setting("b08cut")).."]" ..
realterrain.esc(realterrain.get_setting("b08cut")).."]" ..
"field[3,7.7;3,1;b08ground;;"..
minetest.formspec_escape(realterrain.get_setting("b08ground")).."]" ..
realterrain.esc(realterrain.get_setting("b08ground")).."]" ..
"field[6,7.7;3,1;b08tree;;"..
minetest.formspec_escape(realterrain.get_setting("b08tree")).."]" ..
realterrain.esc(realterrain.get_setting("b08tree")).."]" ..
"field[9,7.7;3,1;b08shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b08shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b08shrub")).."]" ..
"label[0.2,8.6;09]"..
"field[2,8.7;1,1;b09cut;;"..
minetest.formspec_escape(realterrain.get_setting("b09cut")).."]" ..
realterrain.esc(realterrain.get_setting("b09cut")).."]" ..
"field[3,8.7;3,1;b09ground;;"..
minetest.formspec_escape(realterrain.get_setting("b09ground")).."]" ..
realterrain.esc(realterrain.get_setting("b09ground")).."]" ..
"field[6,8.7;3,1;b09tree;;"..
minetest.formspec_escape(realterrain.get_setting("b09tree")).."]" ..
realterrain.esc(realterrain.get_setting("b09tree")).."]" ..
"field[9,8.7;3,1;b09shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b09shrub")).."]" ..
realterrain.esc(realterrain.get_setting("b09shrub")).."]" ..
"label[0.2,9.6;10]"..
"field[2,9.7;1,1;b10cut;;"..
minetest.formspec_escape(realterrain.get_setting("b10cut")).."]" ..
realterrain.esc(realterrain.get_setting("b10cut")).."]" ..
"field[3,9.7;3,1;b10ground;;"..
minetest.formspec_escape(realterrain.get_setting("b10ground")).."]" ..
realterrain.esc(realterrain.get_setting("b10ground")).."]" ..
"field[6,9.7;3,1;b10tree;;"..
minetest.formspec_escape(realterrain.get_setting("b10tree")).."]" ..
realterrain.esc(realterrain.get_setting("b10tree")).."]" ..
"field[9,9.7;3,1;b10shrub;;"..
minetest.formspec_escape(realterrain.get_setting("b10shrub")).."]"
realterrain.esc(realterrain.get_setting("b10shrub")).."]"
)
return true
@ -574,7 +637,7 @@ function realterrain.show_popup(pname, message)
minetest.show_formspec(pname, "realterrain:popup",
"size[10,8]" ..
"button_exit[1,1;2,1;exit;Back]"..
"label[1,3;"..minetest.formspec_escape(message).."]"
"label[1,3;"..realterrain.esc(message).."]"
)
return true
end

504
lunatic-python-1.0/LICENSE Normal file
View File

@ -0,0 +1,504 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
not price. Our General Public Licenses are designed to make sure that
you have the freedom to distribute copies of free software (and charge
for this service if you wish); that you receive source code or can get
it if you want it; that you can change the software and use pieces of
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these things.
To protect your rights, we need to make restrictions that forbid
distributors to deny you these rights or to ask you to surrender these
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For example, if you distribute copies of the library, whether gratis
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We protect your rights with a two-step method: (1) we copyright the
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To protect each distributor, we want to make it very clear that
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Ty Coon, President of Vice
That's all there is to it!

2
lunatic-python-1.0/MANIFEST.in Normal file
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@ -0,0 +1,2 @@
recursive-include src *.c *.h
include MANIFEST.in python.lua LICENSE Makefile

25
lunatic-python-1.0/Makefile Normal file
View File

@ -0,0 +1,25 @@
#
# Simple wrapper for setup.py script
#
DESTDIR=/
PYTHON=python
prefix=/usr
bindir=$(prefix)/bin
all:
$(PYTHON) setup.py build
install:
$(PYTHON) setup.py install \
--root=$(DESTDIR) \
--prefix=$(prefix) \
--install-scripts=$(bindir)
dist:
$(PYTHON) setup.py sdist
rpm:
$(PYTHON) setup.py bdist_rpm

14
lunatic-python-1.0/PKG-INFO Normal file
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@ -0,0 +1,14 @@
Metadata-Version: 1.0
Name: lunatic-python
Version: 1.0
Summary: Two-way bridge between Python and Lua
Home-page: http://labix.org/lunatic-python
Author: Gustavo Niemeyer
Author-email: gustavo@niemeyer.net
License: LGPL
Description: Lunatic Python is a two-way bridge between Python and Lua, allowing these
languages to intercommunicate. Being two-way means that it allows Lua inside
Python, Python inside Lua, Lua inside Python inside Lua, Python inside Lua
inside Python, and so on.
Platform: UNKNOWN

23
lunatic-python-1.0/python.lua Normal file
View File

@ -0,0 +1,23 @@
local path = os.getenv("LUA_SOPATH")
if path then
func = loadlib(path.."/lua-python.so", "luaopen_python")
if func then
func()
return
end
end
local modmask = "/usr/lib/python%d.%d/site-packages/lua-python.so"
local loaded = false
for i = 10, 2, -1 do
for j = 10, 2, -1 do
func = loadlib(string.format(modmask, i, j), "luaopen_python")
if func then
loaded = true
func()
break
end
end
end
if not loaded then
error("unable to find python module")
end

3
lunatic-python-1.0/setup.cfg Normal file
View File

@ -0,0 +1,3 @@
[bdist_rpm]
doc_files = python.lua LICENSE
use_bzip2 = 1

43
lunatic-python-1.0/setup.py Executable file
View File

@ -0,0 +1,43 @@
#!/usr/bin/python
from distutils.core import setup, Extension
from distutils.sysconfig import get_python_lib, get_python_version
import os
if os.path.isfile("MANIFEST"):
os.unlink("MANIFEST")
# You may have to change these
PYLIBS = ["python"+get_python_version(), "pthread", "util"]
PYLIBDIR = [get_python_lib(standard_lib=True)+"/config"]
LUALIBS = ["lua", "lualib"]
LUALIBDIR = []
setup(name="lunatic-python",
version = "1.0",
description = "Two-way bridge between Python and Lua",
author = "Gustavo Niemeyer",
author_email = "gustavo@niemeyer.net",
url = "http://labix.org/lunatic-python",
license = "LGPL",
long_description =
"""\
Lunatic Python is a two-way bridge between Python and Lua, allowing these
languages to intercommunicate. Being two-way means that it allows Lua inside
Python, Python inside Lua, Lua inside Python inside Lua, Python inside Lua
inside Python, and so on.
""",
ext_modules = [
Extension("lua-python",
["src/pythoninlua.c", "src/luainpython.c"],
library_dirs=PYLIBDIR,
libraries=PYLIBS,
extra_compile_args=["-rdynamic"],
extra_link_args=["-rdynamic"]),
Extension("lua",
["src/pythoninlua.c", "src/luainpython.c"],
library_dirs=LUALIBDIR,
libraries=LUALIBS,
extra_compile_args=["-rdynamic"],
extra_link_args=["-rdynamic"]),
],
)

500
lunatic-python-1.0/src/luainpython.c Normal file
View File

@ -0,0 +1,500 @@
/*
Lunatic Python
--------------
Copyright (c) 2002-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <Python.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include "pythoninlua.h"
#include "luainpython.h"
lua_State *LuaState = NULL;
static PyObject *LuaObject_New(int n);
PyObject *LuaConvert(lua_State *L, int n)
{
PyObject *ret = NULL;
switch (lua_type(L, n)) {
case LUA_TNIL:
Py_INCREF(Py_None);
ret = Py_None;
break;
case LUA_TSTRING: {
const char *s = lua_tostring(L, n);
int len = lua_strlen(L, n);
ret = PyString_FromStringAndSize(s, len);
break;
}
case LUA_TNUMBER: {
lua_Number num = lua_tonumber(L, n);
if (num != (long)num) {
ret = PyFloat_FromDouble(
(lua_Number)lua_tonumber(L, n));
} else {
ret = PyInt_FromLong((long)num);
}
break;
}
case LUA_TBOOLEAN:
if (lua_toboolean(L, n)) {
Py_INCREF(Py_True);
ret = Py_True;
} else {
Py_INCREF(Py_False);
ret = Py_False;
}
break;
case LUA_TUSERDATA: {
py_object *obj = (py_object*)
luaL_checkudata(L, n, POBJECT);
if (obj) {
Py_INCREF(obj->o);
ret = obj->o;
break;
}
/* Otherwise go on and handle as custom. */
}
default:
ret = LuaObject_New(n);
break;
}
return ret;
}
static PyObject *LuaCall(lua_State *L, PyObject *args)
{
PyObject *ret = NULL;
PyObject *arg;
int nargs, rc, i;
if (!PyTuple_Check(args)) {
PyErr_SetString(PyExc_TypeError, "tuple expected");
lua_settop(L, 0);
return NULL;
}
nargs = PyTuple_Size(args);
for (i = 0; i != nargs; i++) {
arg = PyTuple_GetItem(args, i);
if (arg == NULL) {
PyErr_Format(PyExc_TypeError,
"failed to get tuple item #%d", i);
lua_settop(L, 0);
return NULL;
}
rc = py_convert(L, arg, 0);
if (!rc) {
PyErr_Format(PyExc_TypeError,
"failed to convert argument #%d", i);
lua_settop(L, 0);
return NULL;
}
}
if (lua_pcall(L, nargs, LUA_MULTRET, 0) != 0) {
PyErr_Format(PyExc_Exception,
"error: %s", lua_tostring(L, -1));
return NULL;
}
nargs = lua_gettop(L);
if (nargs == 1) {
ret = LuaConvert(L, 1);
if (!ret) {
PyErr_SetString(PyExc_TypeError,
"failed to convert return");
lua_settop(L, 0);
Py_DECREF(ret);
return NULL;
}
} else if (nargs > 1) {
ret = PyTuple_New(nargs);
if (!ret) {
PyErr_SetString(PyExc_RuntimeError,
"failed to create return tuple");
lua_settop(L, 0);
return NULL;
}
for (i = 0; i != nargs; i++) {
arg = LuaConvert(L, i+1);
if (!arg) {
PyErr_Format(PyExc_TypeError,
"failed to convert return #%d", i);
lua_settop(L, 0);
Py_DECREF(ret);
return NULL;
}
PyTuple_SetItem(ret, i, arg);
}
} else {
Py_INCREF(Py_None);
ret = Py_None;
}
lua_settop(L, 0);
return ret;
}
#define L LuaState
static PyObject *LuaObject_New(int n)
{
LuaObject *obj = PyObject_New(LuaObject, &LuaObject_Type);
if (obj) {
lua_pushvalue(L, n);
obj->ref = luaL_ref(L, LUA_REGISTRYINDEX);
obj->refiter = 0;
}
return (PyObject*) obj;
}
static void LuaObject_dealloc(LuaObject *self)
{
luaL_unref(L, LUA_REGISTRYINDEX, self->ref);
if (self->refiter)
luaL_unref(L, LUA_REGISTRYINDEX, self->refiter);
self->ob_type->tp_free((PyObject *)self);
}
static PyObject *LuaObject_getattr(PyObject *obj, PyObject *attr)
{
PyObject *ret = NULL;
int rc;
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
PyErr_SetString(PyExc_RuntimeError, "lost reference");
return NULL;
}
rc = py_convert(L, attr, 0);
if (rc) {
lua_gettable(L, -2);
ret = LuaConvert(L, -1);
} else {
PyErr_SetString(PyExc_ValueError, "can't convert attr/key");
}
lua_settop(L, 0);
return ret;
}
static int LuaObject_setattr(PyObject *obj, PyObject *attr, PyObject *value)
{
int ret = -1;
int rc;
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
PyErr_SetString(PyExc_RuntimeError, "lost reference");
return -1;
}
if (!lua_istable(L, -1)) {
lua_pop(L, -1);
PyErr_SetString(PyExc_TypeError, "Lua object is not a table");
return -1;
}
rc = py_convert(L, attr, 0);
if (rc) {
rc = py_convert(L, value, 0);
if (rc) {
lua_settable(L, -3);
ret = 0;
} else {
PyErr_SetString(PyExc_ValueError,
"can't convert value");
}
} else {
PyErr_SetString(PyExc_ValueError, "can't convert key/attr");
}
lua_settop(L, 0);
return ret;
}
static PyObject *LuaObject_str(PyObject *obj)
{
PyObject *ret = NULL;
const char *s;
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
if (luaL_callmeta(L, -1, "__tostring")) {
s = lua_tostring(L, -1);
lua_pop(L, 1);
if (s) ret = PyString_FromString(s);
}
if (!ret) {
int type = lua_type(L, -1);
switch (type) {
case LUA_TTABLE:
case LUA_TFUNCTION:
ret = PyString_FromFormat("<Lua %s at %p>",
lua_typename(L, type),
lua_topointer(L, -1));
break;
case LUA_TUSERDATA:
case LUA_TLIGHTUSERDATA:
ret = PyString_FromFormat("<Lua %s at %p>",
lua_typename(L, type),
lua_touserdata(L, -1));
break;
case LUA_TTHREAD:
ret = PyString_FromFormat("<Lua %s at %p>",
lua_typename(L, type),
(void*)lua_tothread(L, -1));
break;
default:
ret = PyString_FromFormat("<Lua %s>",
lua_typename(L, type));
break;
}
}
lua_pop(L, 1);
return ret;
}
static PyObject *LuaObject_call(PyObject *obj, PyObject *args)
{
lua_settop(L, 0);
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
return LuaCall(L, args);
}
static PyObject *LuaObject_iternext(LuaObject *obj)
{
PyObject *ret = NULL;
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
if (obj->refiter == 0)
lua_pushnil(L);
else
lua_rawgeti(L, LUA_REGISTRYINDEX, obj->refiter);
if (lua_next(L, -2) != 0) {
/* Remove value. */
lua_pop(L, 1);
ret = LuaConvert(L, -1);
/* Save key for next iteration. */
if (!obj->refiter)
obj->refiter = luaL_ref(L, LUA_REGISTRYINDEX);
else
lua_rawseti(L, LUA_REGISTRYINDEX, obj->refiter);
} else if (obj->refiter) {
luaL_unref(L, LUA_REGISTRYINDEX, obj->refiter);
obj->refiter = 0;
}
return ret;
}
static int LuaObject_length(LuaObject *obj)
{
int len;
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)obj)->ref);
len = luaL_getn(L, -1);
lua_settop(L, 0);
return len;
}
static PyObject *LuaObject_subscript(PyObject *obj, PyObject *key)
{
return LuaObject_getattr(obj, key);
}
static int LuaObject_ass_subscript(PyObject *obj,
PyObject *key, PyObject *value)
{
return LuaObject_setattr(obj, key, value);
}
static PyMappingMethods LuaObject_as_mapping = {
(inquiry)LuaObject_length, /*mp_length*/
(binaryfunc)LuaObject_subscript,/*mp_subscript*/
(objobjargproc)LuaObject_ass_subscript,/*mp_ass_subscript*/
};
PyTypeObject LuaObject_Type = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"lua.custom", /*tp_name*/
sizeof(LuaObject), /*tp_basicsize*/
0, /*tp_itemsize*/
(destructor)LuaObject_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
LuaObject_str, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
&LuaObject_as_mapping, /*tp_as_mapping*/
0, /*tp_hash*/
(ternaryfunc)LuaObject_call, /*tp_call*/
LuaObject_str, /*tp_str*/
LuaObject_getattr, /*tp_getattro*/
LuaObject_setattr, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
0, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
PyObject_SelfIter, /*tp_iter*/
(iternextfunc)LuaObject_iternext, /*tp_iternext*/
0, /*tp_methods*/
0, /*tp_members*/
0, /*tp_getset*/
0, /*tp_base*/
0, /*tp_dict*/
0, /*tp_descr_get*/
0, /*tp_descr_set*/
0, /*tp_dictoffset*/
0, /*tp_init*/
PyType_GenericAlloc, /*tp_alloc*/
PyType_GenericNew, /*tp_new*/
_PyObject_Del, /*tp_free*/
0, /*tp_is_gc*/
};
PyObject *Lua_run(PyObject *args, int eval)
{
PyObject *ret;
char *buf = NULL;
char *s;
int len;
if (!PyArg_ParseTuple(args, "s#", &s, &len))
return NULL;
if (eval) {
buf = (char *) malloc(sizeof("return ")+len);
strcpy(buf, "return ");
strncat(buf, s, len);
s = buf;
len = sizeof("return ")-1+len;
}
if (luaL_loadbuffer(L, s, len, "<python>") != 0) {
PyErr_Format(PyExc_RuntimeError,
"error loading code: %s",
lua_tostring(L, -1));
return NULL;
}
free(buf);
if (lua_pcall(L, 0, 1, 0) != 0) {
PyErr_Format(PyExc_RuntimeError,
"error executing code: %s",
lua_tostring(L, -1));
return NULL;
}
ret = LuaConvert(L, -1);
lua_settop(L, 0);
return ret;
}
PyObject *Lua_execute(PyObject *self, PyObject *args)
{
return Lua_run(args, 0);
}
PyObject *Lua_eval(PyObject *self, PyObject *args)
{
return Lua_run(args, 1);
}
PyObject *Lua_globals(PyObject *self, PyObject *args)
{
PyObject *ret = NULL;
lua_pushliteral(L, "_G");
lua_rawget(L, LUA_GLOBALSINDEX);
if (lua_isnil(L, -1)) {
PyErr_SetString(PyExc_RuntimeError,
"lost globals reference");
lua_pop(L, 1);
return NULL;
}
ret = LuaConvert(L, -1);
if (!ret)
PyErr_Format(PyExc_TypeError,
"failed to convert globals table");
lua_settop(L, 0);
return ret;
}
static PyObject *Lua_require(PyObject *self, PyObject *args)
{
lua_pushliteral(L, "require");
lua_rawget(L, LUA_GLOBALSINDEX);
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
PyErr_SetString(PyExc_RuntimeError, "require is not defined");
return NULL;
}
return LuaCall(L, args);
}
static PyMethodDef lua_methods[] = {
{"execute", Lua_execute, METH_VARARGS, NULL},
{"eval", Lua_eval, METH_VARARGS, NULL},
{"globals", Lua_globals, METH_NOARGS, NULL},
{"require", Lua_require, METH_VARARGS, NULL},
{NULL, NULL}
};
DL_EXPORT(void)
initlua(void)
{
PyObject *m;
m = Py_InitModule("lua", lua_methods);
if (!L) {
L = lua_open();
luaopen_base(L);
luaopen_table(L);
luaopen_io(L);
luaopen_string(L);
luaopen_debug(L);
luaopen_loadlib(L);
luaopen_python(L);
lua_settop(L, 0);
}
}

42
lunatic-python-1.0/src/luainpython.h Normal file
View File

@ -0,0 +1,42 @@
/*
Lunatic Python
--------------
Copyright (c) 2002-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef LUAINPYTHON_H
#define LUAINPYTHON_H
typedef struct {
PyObject_HEAD
int ref;
int refiter;
} LuaObject;
PyAPI_DATA(PyTypeObject) LuaObject_Type;
#define LuaObject_Check(op) PyObject_TypeCheck(op, &LuaObject_Type)
PyObject *LuaConvert(lua_State *L, int n);
extern lua_State *LuaState;
DL_EXPORT(void) initlua(void);
#endif

611
lunatic-python-1.0/src/pythoninlua.c Normal file
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@ -0,0 +1,611 @@
/*
Lunatic Python
--------------
Copyright (c) 2002-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <Python.h>
#include <lua.h>
#include <lauxlib.h>
#include "pythoninlua.h"
#include "luainpython.h"
static int py_asfunc_call(lua_State *L);
static int py_convert_custom(lua_State *L, PyObject *o, int asindx)
{
int ret = 0;
py_object *obj = (py_object*) lua_newuserdata(L, sizeof(py_object));
if (obj) {
Py_INCREF(o);
obj->o = o;
obj->asindx = asindx;
luaL_getmetatable(L, POBJECT);
lua_setmetatable(L, -2);
ret = 1;
} else {
luaL_error(L, "failed to allocate userdata object");
}
return ret;
}
int py_convert(lua_State *L, PyObject *o, int withnone)
{
int ret = 0;
if (o == Py_None) {
if (withnone) {
lua_pushliteral(L, "Py_None");
lua_rawget(L, LUA_REGISTRYINDEX);
if (lua_isnil(L, -1)) {
lua_pop(L, 1);
luaL_error(L, "lost none from registry");
}
} else {
/* Not really needed, but this way we may check
* for errors with ret == 0. */
lua_pushnil(L);
ret = 1;
}
} else if (o == Py_True) {
lua_pushboolean(L, 1);
} else if (o == Py_False) {
lua_pushboolean(L, 0);
} else if (PyString_Check(o)) {
char *s;
int len;
PyString_AsStringAndSize(o, &s, &len);
lua_pushlstring(L, s, len);
ret = 1;
} else if (PyInt_Check(o) || PyFloat_Check(o)) {
lua_pushnumber(L, (lua_Number)PyInt_AsLong(o));
ret = 1;
} else if (LuaObject_Check(o)) {
lua_rawgeti(L, LUA_REGISTRYINDEX, ((LuaObject*)o)->ref);
ret = 1;
} else {
int asindx = 0;
if (PyDict_Check(o) || PyList_Check(o) || PyTuple_Check(o))
asindx = 1;
ret = py_convert_custom(L, o, asindx);
if (ret && !asindx &&
(PyFunction_Check(o) || PyCFunction_Check(o)))
lua_pushcclosure(L, py_asfunc_call, 1);
}
return ret;
}
static int py_object_call(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
PyObject *args;
PyObject *value;
int nargs = lua_gettop(L)-1;
int ret = 0;
int i;
if (!obj) {
luaL_argerror(L, 1, "not a python object");
return 0;
}
if (!PyCallable_Check(obj->o)) {
luaL_error(L, "object is not callable");
return 0;
}
args = PyTuple_New(nargs);
if (!args) {
PyErr_Print();
luaL_error(L, "failed to create arguments tuple");
return 0;
}
for (i = 0; i != nargs; i++) {
PyObject *arg = LuaConvert(L, i+2);
if (!arg) {
luaL_error(L, "failed to convert argument #%d", i+1);
Py_DECREF(args);
return 0;
}
PyTuple_SetItem(args, i, arg);
}
value = PyObject_CallObject(obj->o, args);
if (value) {
ret = py_convert(L, value, 0);
Py_DECREF(value);
} else {
PyErr_Print();
luaL_error(L, "error calling python function");
}
return ret;
}
static int _p_object_newindex_set(lua_State *L, py_object *obj,
int keyn, int valuen)
{
PyObject *value;
PyObject *key = LuaConvert(L, keyn);
if (!key) {
luaL_argerror(L, 1, "failed to convert key");
return 0;
}
if (!lua_isnil(L, valuen)) {
value = LuaConvert(L, valuen);
if (!value) {
Py_DECREF(key);
luaL_argerror(L, 1, "failed to convert value");
return 0;
}
if (PyObject_SetItem(obj->o, key, value) == -1) {
PyErr_Print();
luaL_error(L, "failed to set item");
}
Py_DECREF(value);
} else {
if (PyObject_DelItem(obj->o, key) == -1) {
PyErr_Print();
luaL_error(L, "failed to delete item");
}
}
Py_DECREF(key);
return 0;
}
static int py_object_newindex_set(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, lua_upvalueindex(1),
POBJECT);
if (lua_gettop(L) != 2) {
luaL_error(L, "invalid arguments");
return 0;
}
return _p_object_newindex_set(L, obj, 1, 2);
}
static int py_object_newindex(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
const char *attr;
PyObject *value;
if (!obj) {
luaL_argerror(L, 1, "not a python object");
return 0;
}
if (obj->asindx)
return _p_object_newindex_set(L, obj, 2, 3);
attr = luaL_checkstring(L, 2);
if (!attr) {
luaL_argerror(L, 2, "string needed");
return 0;
}
value = LuaConvert(L, 3);
if (!value) {
luaL_argerror(L, 1, "failed to convert value");
return 0;
}
if (PyObject_SetAttrString(obj->o, (char*)attr, value) == -1) {
Py_DECREF(value);
PyErr_Print();
luaL_error(L, "failed to set value");
return 0;
}
Py_DECREF(value);
return 0;
}
static int _p_object_index_get(lua_State *L, py_object *obj, int keyn)
{
PyObject *key = LuaConvert(L, keyn);
PyObject *item;
int ret = 0;
if (!key) {
luaL_argerror(L, 1, "failed to convert key");
return 0;
}
item = PyObject_GetItem(obj->o, key);
Py_DECREF(key);
if (item) {
ret = py_convert(L, item, 0);
Py_DECREF(item);
} else {
PyErr_Clear();
if (lua_gettop(L) > keyn) {
lua_pushvalue(L, keyn+1);
ret = 1;
}
}
return ret;
}
static int py_object_index_get(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, lua_upvalueindex(1),
POBJECT);
int top = lua_gettop(L);
if (top < 1 || top > 2) {
luaL_error(L, "invalid arguments");
return 0;
}
return _p_object_index_get(L, obj, 1);
}
static int py_object_index(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
const char *attr;
PyObject *value;
int ret = 0;
if (!obj) {
luaL_argerror(L, 1, "not a python object");
return 0;
}
if (obj->asindx)
return _p_object_index_get(L, obj, 2);
attr = luaL_checkstring(L, 2);
if (!attr) {
luaL_argerror(L, 2, "string needed");
return 0;
}
if (attr[0] == '_' && strcmp(attr, "__get") == 0) {
lua_pushvalue(L, 1);
lua_pushcclosure(L, py_object_index_get, 1);
return 1;
} else if (attr[0] == '_' && strcmp(attr, "__set") == 0) {
lua_pushvalue(L, 1);
lua_pushcclosure(L, py_object_newindex_set, 1);
return 1;
}
value = PyObject_GetAttrString(obj->o, (char*)attr);
if (value) {
ret = py_convert(L, value, 0);
Py_DECREF(value);
} else {
PyErr_Clear();
luaL_error(L, "unknown attribute in python object");
}
return ret;
}
static int py_object_gc(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
if (obj) {
Py_DECREF(obj->o);
}
return 0;
}
static int py_object_tostring(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
if (obj) {
PyObject *repr = PyObject_Str(obj->o);
if (!repr) {
char buf[256];
snprintf(buf, 256, "python object: %p", obj->o);
lua_pushstring(L, buf);
PyErr_Clear();
} else {
char *s;
int len;
PyString_AsStringAndSize(repr, &s, &len);
lua_pushlstring(L, s, len);
Py_DECREF(repr);
}
}
return 1;
}
static const luaL_reg py_object_lib[] = {
{"__call", py_object_call},
{"__index", py_object_index},
{"__newindex", py_object_newindex},
{"__gc", py_object_gc},
{"__tostring", py_object_tostring},
{NULL, NULL}
};
static int py_run(lua_State *L, int eval)
{
const char *s;
char *buffer = NULL;
PyObject *m, *d, *o;
int ret = 0;
int len;
s = luaL_checkstring(L, 1);
if (!s)
return 0;
if (!eval) {
len = strlen(s)+1;
buffer = (char *) malloc(len+1);
if (!buffer) {
luaL_error(L, "Failed allocating buffer for execution");
return 0;
}
strcpy(buffer, s);
buffer[len-1] = '\n';
buffer[len] = '\0';
s = buffer;
}
m = PyImport_AddModule("__main__");
if (!m) {
free(buffer);
luaL_error(L, "Can't get __main__ module");
return 0;
}
d = PyModule_GetDict(m);
o = PyRun_StringFlags(s, eval ? Py_eval_input : Py_single_input,
d, d, NULL);
free(buffer);
if (!o) {
PyErr_Print();
return 0;
}
if (py_convert(L, o, 0))
ret = 1;
Py_DECREF(o);
if (Py_FlushLine())
PyErr_Clear();
return ret;
}
static int py_execute(lua_State *L)
{
return py_run(L, 0);
}
static int py_eval(lua_State *L)
{
return py_run(L, 1);
}
static int py_asindx(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
if (obj)
return py_convert_custom(L, obj->o, 1);
else
luaL_argerror(L, 1, "not a python object");
return 0;
}
static int py_asattr(lua_State *L)
{
py_object *obj = (py_object*) luaL_checkudata(L, 1, POBJECT);
if (obj)
return py_convert_custom(L, obj->o, 0);
else
luaL_argerror(L, 1, "not a python object");
return 0;
}
static int py_asfunc_call(lua_State *L)
{
lua_pushvalue(L, lua_upvalueindex(1));
lua_insert(L, 1);
return py_object_call(L);
}
static int py_asfunc(lua_State *L)
{
int ret = 0;
if (luaL_checkudata(L, 1, POBJECT)) {
lua_pushcclosure(L, py_asfunc_call, 1);
ret = 1;
} else {
luaL_argerror(L, 1, "not a python object");
}
return ret;
}
static int py_globals(lua_State *L)
{
PyObject *globals;
if (lua_gettop(L) != 0) {
luaL_error(L, "invalid arguments");
return 0;
}
globals = PyEval_GetGlobals();
if (!globals) {
PyObject *module = PyImport_AddModule("__main__");
if (!module) {
luaL_error(L, "Can't get __main__ module");
return 0;
}
globals = PyModule_GetDict(module);
}
if (!globals) {
PyErr_Print();
luaL_error(L, "can't get globals");
return 0;
}
return py_convert_custom(L, globals, 1);
}
static int py_locals(lua_State *L)
{
PyObject *locals;
if (lua_gettop(L) != 0) {
luaL_error(L, "invalid arguments");
return 0;
}
locals = PyEval_GetLocals();
if (!locals)
return py_globals(L);
return py_convert_custom(L, locals, 1);
}
static int py_builtins(lua_State *L)
{
PyObject *builtins;
if (lua_gettop(L) != 0) {
luaL_error(L, "invalid arguments");
return 0;
}
builtins = PyEval_GetBuiltins();
if (!builtins) {
PyErr_Print();
luaL_error(L, "failed to get builtins");
return 0;
}
return py_convert_custom(L, builtins, 1);
}
static int py_import(lua_State *L)
{
const char *name = luaL_checkstring(L, 1);
PyObject *module;
int ret;
if (!name) {
luaL_argerror(L, 1, "module name expected");
return 0;
}
module = PyImport_ImportModule((char*)name);
if (!module) {
PyErr_Print();
luaL_error(L, "failed importing '%s'", name);
return 0;
}
ret = py_convert_custom(L, module, 0);
Py_DECREF(module);
return ret;
}
static const luaL_reg py_lib[] = {
{"execute", py_execute},
{"eval", py_eval},
{"asindx", py_asindx},
{"asattr", py_asattr},
{"asfunc", py_asfunc},
{"locals", py_locals},
{"globals", py_globals},
{"builtins", py_builtins},
{"import", py_import},
{NULL, NULL}
};
LUA_API int luaopen_python(lua_State *L)
{
int rc;
/* Register module */
luaL_openlib(L, "python", py_lib, 0);
/* Register python object metatable */
luaL_newmetatable(L, POBJECT);
luaL_openlib(L, NULL, py_object_lib, 0);
lua_pop(L, 1);
/* Initialize Lua state in Python territory */
if (!LuaState) LuaState = L;
/* Initialize Python interpreter */
if (!Py_IsInitialized()) {
PyObject *luam, *mainm, *maind;
char *argv[] = {"<lua>", 0};
Py_SetProgramName("<lua>");
Py_Initialize();
PySys_SetArgv(1, argv);
initlua();
/* Import 'lua' automatically. */
luam = PyImport_ImportModule("lua");
if (!luam) {
luaL_error(L, "Can't import lua module");
} else {
mainm = PyImport_AddModule("__main__");
if (!mainm) {
luaL_error(L, "Can't get __main__ module");
} else {
maind = PyModule_GetDict(mainm);
PyDict_SetItemString(maind, "lua", luam);
Py_DECREF(luam);
}
}
}
/* Register 'none' */
lua_pushliteral(L, "Py_None");
rc = py_convert_custom(L, Py_None, 0);
if (rc) {
lua_pushliteral(L, "none");
lua_pushvalue(L, -2);
lua_rawset(L, -5); /* python.none */
lua_rawset(L, LUA_REGISTRYINDEX); /* registry.Py_None */
} else {
lua_pop(L, 1);
luaL_error(L, "failed to convert none object");
}
return 0;
}

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/*
Lunatic Python
--------------
Copyright (c) 2002-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PYTHONINLUA_H
#define PYTHONINLUA_H
#define POBJECT "POBJECT"
int py_convert(lua_State *L, PyObject *o, int withnone);
typedef struct {
PyObject *o;
int asindx;
} py_object;
LUA_API int luaopen_python(lua_State *L);
#endif

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