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version.py
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55 lines (44 loc) · 1.72 KB
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# Copyright 2009-2012 10gen, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Some tools for running tests based on MongoDB server version."""
def _padded(iter, length, padding=0):
l = list(iter)
if len(l) < length:
for _ in range(length - len(l)):
l.append(0)
return l
def _parse_version_string(version_string):
mod = 0
if version_string.endswith("+"):
version_string = version_string[0:-1]
mod = 1
elif version_string.endswith("-pre-"):
version_string = version_string[0:-5]
mod = -1
elif version_string.endswith("-"):
version_string = version_string[0:-1]
mod = -1
# Deal with '-rcX' substrings
if version_string.find('-rc') != -1:
version_string = version_string[0:version_string.find('-rc')]
mod = -1
version = [int(part) for part in version_string.split(".")]
version = _padded(version, 3)
version.append(mod)
return tuple(version)
# Note this is probably broken for very old versions of the database...
def version(connection):
return _parse_version_string(connection.server_info()["version"])
def at_least(connection, min_version):
return version(connection) >= tuple(_padded(min_version, 4))