IronPython Tutorial: Basics

import sys
sys.version
dir()
dir(sys)
 
sys.path
sys.executable

import first
dir(first)
first.add(1,2)

import System			# System - root .NET namespace
dir(System)			# Yes! This is .NET System!
 
from System.Math import *	# .NET System.Math
dir()
Sin(PI/2)			# .NET System.Math.Sin()

from System.Collections import *
h = Hashtable()       			# System.Collections.Hashtable
dir(h)
h["a"] = "IronPython"
h["b"] = "Tutorial"
h["c"] = "http://ironpython.codeplex.com/"
for e in h: 
    print e.Key, ":", e.Value
 
l = ArrayList([1,2,3])			# System.Collections.ArrayList
for i in l:
    print i
 
s = Stack((1,2,3))			# System.Collections.Stack
while s.Count:
    s.Pop()

from System.Collections.Generic import *
l = List[str]()
l.Add("Hello")
l.Add("Hi")
# l.Add(3) - error
for i in l: print i

import clr
 
# AddReference - explicitly references .NET assembly
# Accepts System.Reflection.Assembly object or string
# (full assembly name, a partial assembly name, or a file name)
clr.AddReference("System.Xml")
 
from System.Xml import *
dir()
clr.References				# Added references to .NET assemblies
 
d = XmlDocument()
d.Load("load.xml")
n = d.SelectNodes("//Puzzle/SavedGames/Game/@caption")
for e in n: print e.Value

import sys
sys.path.append(r"c:\program files\python25\lib")
import os
os.getcwd()