Added python-like import

1 files changed, 23 insertions, 0 deletions

diff --git a/xlua.lua b/xlua.lua
index e1b41cf..562a8dd 100644
--- a/xlua.lua
+++ b/xlua.lua
@@ -335,6 +335,29 @@ end
 glob.xrequire = require
 
 --------------------------------------------------------------------------------
+-- import package's symbols globally
+--
+-- @param   package      package to load
+-- @package as           import as (python-like import)
+--------------------------------------------------------------------------------
+function import(package, as)
+   require(package)
+   if as then
+      glob[as] = glob[package]
+   else
+      for k,v in pairs(glob[package]) do
+         if glob[k] then
+            print('warning: "' .. k .. '" defined both globally and in package "' 
+                  .. package .. '", skipping import')
+         else
+            glob[k] = v
+         end
+      end
+   end
+end
+glob.import = import
+
+--------------------------------------------------------------------------------
 -- standard usage function: used to display automated help for functions
 --
 -- @param funcname     function name