# Python 2.X only. In Python 3.X, inline comments are disabled
# by default. Even then code is the same so if were enabled then
# should fail in similar way.

import sys

from ConfigParser import ConfigParser
from StringIO import StringIO

content = """
[section]
value1 = a;b
value2 = a ; comment
value3 = a; b ; comment
"""

input = StringIO(content)

config = ConfigParser()
config.readfp(input)

config.write(sys.stdout)

# This yields:
#
# [section]
# value3 = a; b ; comment
# value2 = a
# value1 = a;b
#
# For value3 that first ';' doesn't have a space before it is
# preventing the detection of the latter embedded comment where
# a space does precede the ';'.