64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
# Copyright 2009-2014 MongoDB, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Some tools for running tests based on MongoDB server version."""
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class Version(tuple):
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def __new__(cls, *version):
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padded_version = cls._padded(version, 4)
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return super(Version, cls).__new__(cls, tuple(padded_version))
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@classmethod
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def _padded(cls, iter, length, padding=0):
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l = list(iter)
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if len(l) < length:
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for _ in range(length - len(l)):
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l.append(padding)
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return l
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@classmethod
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def from_string(cls, version_string):
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mod = 0
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if version_string.endswith("+"):
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version_string = version_string[0:-1]
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mod = 1
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elif version_string.endswith("-pre-"):
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version_string = version_string[0:-5]
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mod = -1
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elif version_string.endswith("-"):
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version_string = version_string[0:-1]
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mod = -1
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# Deal with '-rcX' substrings
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if version_string.find('-rc') != -1:
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version_string = version_string[0:version_string.find('-rc')]
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mod = -1
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version = [int(part) for part in version_string.split(".")]
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version = cls._padded(version, 3)
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version.append(mod)
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return Version(*version)
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@classmethod
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def from_client(cls, client):
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return cls.from_string(client.server_info()['version'])
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def at_least(self, *other_version):
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return self >= Version(*other_version)
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def __str__(self):
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return ".".join(map(str, self))
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