widget module loads optimization

widgets/abase.lua

@@ -10,7 +10,6 @@ local newtimer     = require("lain.helpers").newtimer
 local async        = require("lain.asyncshell")
 local wibox        = require("wibox")
 
-local io           = io
 local setmetatable = setmetatable
 
 -- Basic template for custom widgets 

widgets/base.lua

@@ -9,7 +9,7 @@
 local newtimer     = require("lain.helpers").newtimer
 local wibox        = require("wibox")
 
-local io           = io
+local io           = { popen = io.popen }
 local setmetatable = setmetatable
 
 -- Basic template for custom widgets

widgets/borderbox.lua

@@ -8,6 +8,7 @@
 --]]
 
 local wibox        = require("awful.wibox")
+
 local setmetatable = setmetatable
 
 -- Creates a thin wibox at a position relative to another wibox

widgets/calendar.lua

@@ -12,7 +12,7 @@ local awful        = require("awful")
 local beautiful    = require("beautiful")
 local naughty      = require("naughty")
 
-local io           = io
+local io           = { popen = io.popen }
 local os           = { date = os.date }
 local tonumber     = tonumber
 

widgets/fs.lua

@@ -14,7 +14,7 @@ local beautiful    = require("beautiful")
 local wibox        = require("wibox")
 local naughty      = require("naughty")
 
-local io           = io
+local io           = { popen  = io.popen }
 local pairs        = pairs
 local string       = { match  = string.match,
                        format = string.format }

widgets/maildir.lua

@@ -13,7 +13,7 @@ local wibox           = require("wibox")
 
 local util            = require("lain.util")
 
-local io              = io
+local io              = { popen  = io.popen }
 local os              = { getenv = os.getenv }
 local pairs           = pairs
 local string          = { len    = string.len,

widgets/net.lua

@@ -13,7 +13,7 @@ local notify_fg    = require("beautiful").fg_focus
 local naughty      = require("naughty")
 local wibox        = require("wibox")
 
-local io           = io
+local io           = { popen  = io.popen }
 local tostring     = tostring
 local string       = { format = string.format,
                        gsub   = string.gsub }

widgets/temp.lua

@@ -10,7 +10,7 @@ local newtimer     = require("lain.helpers").newtimer
 
 local wibox        = require("wibox")
 
-local io           = io
+local io           = { open = io.open }
 local tonumber     = tonumber
 
 local setmetatable = setmetatable

widgets/yawn/init.lua

@@ -13,7 +13,8 @@ local naughty      = require("naughty")
 local wibox        = require("wibox")
 
 local debug        = { getinfo = debug.getinfo }
-local io           = io
+local io           = { lines   = io.lines,
+                       open    = io.open }
 local os           = { date    = os.date,
                        getenv  = os.getenv }
 local string       = { find    = string.find,