ddd5832323
Last step to remove "six" library usage in Neutron. Change-Id: Idd42e0c51c8c3bd598c9cf91602596be238bccae
83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
# Copyright 2015 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import configparser
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import os.path
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import fixtures
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from neutron.tests import base
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class ConfigDict(base.AttributeDict):
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def update(self, other):
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self.convert_to_attr_dict(other)
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super(ConfigDict, self).update(other)
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def convert_to_attr_dict(self, other):
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"""Convert nested dicts to AttributeDict.
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:param other: dictionary to be directly modified.
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"""
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for key, value in other.items():
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if isinstance(value, dict):
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if not isinstance(value, base.AttributeDict):
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other[key] = base.AttributeDict(value)
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self.convert_to_attr_dict(value)
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class ConfigFileFixture(fixtures.Fixture):
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"""A fixture that knows how to translate configurations to files.
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:param base_filename: the filename to use on disk.
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:param config: a ConfigDict instance.
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:param temp_dir: an existing temporary directory to use for storage.
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"""
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def __init__(self, base_filename, config, temp_dir):
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super(ConfigFileFixture, self).__init__()
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self.base_filename = base_filename
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self.config = config
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self.temp_dir = temp_dir
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def _setUp(self):
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self.write_config_to_configfile()
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def write_config_to_configfile(self):
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config_parser = self.dict_to_config_parser(self.config)
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# Need to randomly generate a unique folder to put the file in
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self.filename = os.path.join(self.temp_dir, self.base_filename)
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with open(self.filename, 'w') as f:
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config_parser.write(f)
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f.flush()
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def dict_to_config_parser(self, config_dict):
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config_parser = configparser.ConfigParser()
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for section, section_dict in config_dict.items():
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if section != 'DEFAULT':
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config_parser.add_section(section)
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for option, value in section_dict.items():
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try:
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config_parser.set(section, option, value)
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except TypeError as te:
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raise TypeError(
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"%(msg)s: section %(section)s, option %(option)s, "
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"value: %(value)s" % {
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'msg': te.args[0],
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'section': section,
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'option': option,
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'value': value,
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})
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return config_parser
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