#!/usr/bin/env python
# -*- coding: utf-8 -*-

import ConfigParser, codecs

myfile = open("test1234.txt", "w")

testString = u"\u0411"

try:
  myfile.write(testString)
except UnicodeEncodeError as e:
  print("Expected: {}".format(e))

wrappedFile = codecs.getwriter("utf-8")(myfile)
wrappedFile.write(testString) # works as expected

cParser = ConfigParser.ConfigParser()
cParser.add_section("TestSection")
cParser.set("TestSection", "unicode", testString)

cParser.write(wrappedFile) # raises exception:
# Traceback (most recent call last):
#     File "test.py", line 22, in <module>
#         cParser.write(wrappedFile)
#           File "/usr/lib/python2.7/ConfigParser.py", line 404, in write
#               key = " = ".join((key, str(value).replace('\n', '\n\t')))
#               UnicodeEncodeError: 'ascii' codec can't encode character u'\u0411'
#               in position 0: ordinal not in range(128)