"""Get information from /etc/lsb_release."""

LSB_RELEASE_FILENAME = "/etc/lsb-release"
LSB_RELEASE_INFO_KEYS = {"DISTRIB_ID": "distributor-id",
"DISTRIB_DESCRIPTION": "description",
"DISTRIB_RELEASE": "release",
"DISTRIB_CODENAME": "code-name"}


def parse_lsb_release(lsb_release_filename):
"""Return a C{dict} holding information about the system LSB release.

@raises: An IOError exception if C{lsb_release_filename} could not be read.
"""
fd = open(lsb_release_filename, "r")
info = {}
try:
for line in fd:
key, value = line.split("=")
if key in LSB_RELEASE_INFO_KEYS:
key = LSB_RELEASE_INFO_KEYS[key.strip()]
value = value.strip().strip('"')
info[key] = value
finally:
fd.close()
return info