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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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# -*- coding: utf-8 -*-
# Copyright: (c) 2019-2020, Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
"""Version comparison helpers."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import operator
from ansible.module_utils.compat.version import LooseVersion
from ansible.utils.version import SemanticVersion
def is_pre_release(version):
# type: (str) -> bool
"""Figure out if a given version is a pre-release."""
try:
return SemanticVersion(version).is_prerelease
except ValueError:
return False
def meets_requirements(version, requirements):
# type: (str, str) -> bool
"""Verify if a given version satisfies all the requirements.
Supported version identifiers are:
* '=='
* '!='
* '>'
* '>='
* '<'
* '<='
* '*'
Each requirement is delimited by ','.
"""
op_map = {
'!=': operator.ne,
'==': operator.eq,
'=': operator.eq,
'>=': operator.ge,
'>': operator.gt,
'<=': operator.le,
'<': operator.lt,
}
for req in requirements.split(','):
op_pos = 2 if len(req) > 1 and req[1] == '=' else 1
op = op_map.get(req[:op_pos])
requirement = req[op_pos:]
if not op:
requirement = req
op = operator.eq
if requirement == '*' or version == '*':
continue
if not op(
SemanticVersion(version),
SemanticVersion.from_loose_version(LooseVersion(requirement)),
):
break
else:
return True
# The loop was broken early, it does not meet all the requirements
return False