IronPython magic for iPython notebook

iron_magic.py

from __future__ import print_function
from IPython.core.magic import register_cell_magic 
import subprocess as sp
import tempfile
import os

IRON_PYTHON_PATH = r'C:\HOMEWARE\IronPython-2.7.5\ipy64.exe'

@register_cell_magic
def iron(line, cell):
    interop_imports = '''import clr
clr.AddReferenceByName('Microsoft.Office.Interop.Excel, Version=11.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c')
clr.AddReferenceByName('Microsoft.Office.Interop.Outlook, Version=11.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c')
from Microsoft.Office.Interop import Excel, Outlook
outlook = Outlook.ApplicationClass()
excel = Excel.ApplicationClass()   

'''
    
    try:
        with tempfile.NamedTemporaryFile(suffix='.py', delete=False) as fp:
            if '--interop' in line:
                fp.write(interop_imports)
            fp.write(cell)

        
        p = sp.Popen([IRON_PYTHON_PATH, fp.name],
                     bufsize=64,
                     stdin=sp.PIPE,
                     stderr=sp.PIPE,
                     stdout=sp.PIPE)
        
        errors = p.stderr.read()
        if errors.strip() != '':
            print(errors, file=sys.stderr) 
        print(p.stdout.read()) 

    finally:
        os.remove(fp.name)