71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Mirantis, 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 abc
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import re
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import six
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@six.add_metaclass(abc.ABCMeta)
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class NameMatchingPolicy(object):
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@abc.abstractmethod
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def match(self, name):
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"""Tests that name is acceptable.
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:param name: the name to test
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:type name: str
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:returns: True if yes otherwise False
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"""
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@staticmethod
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def create(pattern):
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"""Makes name matching policy.
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the string wrapped with '/' treats as pattern
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'/abc/' - pattern
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'abc' - the string for exact match
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:param pattern: the pattern to match
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:return: the NameMatchPolicy instance
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"""
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if pattern.startswith("/") and pattern.endswith("/"):
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return PatternMatchingPolicy(pattern[1:-1])
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return ExactMatchingPolicy(pattern)
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class ExactMatchingPolicy(NameMatchingPolicy):
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"""Tests that name exact match to argument."""
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def __init__(self, name):
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"""Initializes.
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:param name: the name to match
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"""
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self.name = name
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def match(self, name):
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return self.name == name
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class PatternMatchingPolicy(NameMatchingPolicy):
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"""Tests that pattern matches to argument."""
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def __init__(self, pattern):
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self.pattern = re.compile(pattern)
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def match(self, name):
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return self.pattern.match(name)
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