awips2/edexOsgi/com.raytheon.uf.common.aviation/utility/common_static/base/aviation/python/AvnConfigParser.py
2022-05-05 12:34:50 -05:00

70 lines
2.3 KiB
Python

##
# This software was developed and / or modified by Raytheon Company,
# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
#
# U.S. EXPORT CONTROLLED TECHNICAL DATA
# This software product contains export-restricted data whose
# export/transfer/disclosure is restricted by U.S. law. Dissemination
# to non-U.S. persons whether in the United States or abroad requires
# an export license or other authorization.
#
# Contractor Name: Raytheon Company
# Contractor Address: 6825 Pine Street, Suite 340
# Mail Stop B8
# Omaha, NE 68106
# 402.291.0100
#
# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
# further licensing information.
##
#
# SOFTWARE HISTORY
#
# Date Ticket# Engineer Description
# ------------- -------- --------- --------------------------------------------
# Mar 10, 2022 8808 randerso Initial Creation.
# Mar 21, 2022 8808 randerso Add code to replace '""' and "''" with ""
#
##
import collections
from configparser import ConfigParser, _UNSET
class MultiOrderedDict(collections.OrderedDict):
'''
OrderedDict that joins values for duplicate keys into a comma separated list vs overwriting them.
'''
def __setitem__(self, key, value):
if isinstance(value, list) and key in self:
self[key].extend(value)
new_value = ",".join(self[key])
super().__setitem__(key, [new_value])
else:
super().__setitem__(key, value)
def keys(self):
return super().keys()
class AvnConfigParser(ConfigParser):
'''
ConfigParser subclass that merges duplicate keys into a comma separated list
to better work with Java code that uses org.apache.commons.configuration
and defaults to better match Python 2.7
'''
def __init__(self):
ConfigParser.__init__(self, dict_type=MultiOrderedDict, strict=False, allow_no_value=True, interpolation=None)
def get(self, section, option, *args, raw=False, vars=None, fallback=_UNSET):
'''
Replace '""' or "''" with an empty string.
'''
value = super().get(section, option, *args, raw=raw, vars=vars, fallback=fallback)
if value in ("''", '""'):
value = ""
return value;