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##############################################################################
# Copyright (c) 2015 Orange
# guyrodrigue.koffi@orange.com / koffirodrigue@gmail.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
# feng.xiaowei@zte.com.cn remove prepare_put_request 5-30-2016
##############################################################################
import ConfigParser
import os
class ParseError(Exception):
"""
Custom exception class for config file
"""
def __init__(self, message):
self.msg = message
def __str__(self):
return 'error parsing config file : %s' % self.msg
class APIConfig:
"""
The purpose of this class is to load values correctly from the config file.
Each key is declared as an attribute in __init__() and linked in parse()
"""
def __init__(self):
self._default_config_location = "/etc/opnfv_testapi/config.ini"
self.mongo_url = None
self.mongo_dbname = None
self.api_port = None
self.api_debug_on = None
self.api_authenticate_on = None
self._parser = None
self.swagger_base_url = None
def _get_parameter(self, section, param):
try:
return self._parser.get(section, param)
except ConfigParser.NoOptionError:
raise ParseError("No parameter: [%s.%s]" % (section, param))
def _get_int_parameter(self, section, param):
try:
return int(self._get_parameter(section, param))
except ValueError:
raise ParseError("Not int: [%s.%s]" % (section, param))
def _get_bool_parameter(self, section, param):
result = self._get_parameter(section, param)
if str(result).lower() == 'true':
return True
if str(result).lower() == 'false':
return False
raise ParseError(
"Not boolean: [%s.%s : %s]" % (section, param, result))
@staticmethod
def parse(config_location=None):
obj = APIConfig()
if config_location is None:
config_location = obj._default_config_location
if not os.path.exists(config_location):
raise ParseError("%s not found" % config_location)
obj._parser = ConfigParser.SafeConfigParser()
obj._parser.read(config_location)
# Linking attributes to keys from file with their sections
obj.mongo_url = obj._get_parameter("mongo", "url")
obj.mongo_dbname = obj._get_parameter("mongo", "dbname")
obj.api_port = obj._get_int_parameter("api", "port")
obj.api_debug_on = obj._get_bool_parameter("api", "debug")
obj.api_authenticate_on = obj._get_bool_parameter("api",
"authenticate")
obj.swagger_base_url = obj._get_parameter("swagger", "base_url")
return obj
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