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gns3-server/gns3server/utils/__init__.py
Julien Duponchelle 57cf57b408
Improve parse_version
Ref #515
2016-05-06 17:09:03 +02:00

89 lines
2.6 KiB
Python
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#!/usr/bin/env python
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import re
import textwrap
import posixpath
def force_unix_path(path):
"""
:param path: Path to convert
"""
path = path.replace("\\", "/")
return posixpath.normpath(path)
def macaddress_to_int(macaddress):
"""
Convert a macaddress with the format 00:0c:29:11:b0:0a to a int
:param macaddress: The mac address
:returns: Integer
"""
return int(macaddress.replace(":", ""), 16)
def int_to_macaddress(integer):
"""
Convert an integer to a macaddress
"""
return ":".join(textwrap.wrap("%012x" % (integer), width=2))
def parse_version(version):
"""
Return a comparable tuple from a version string. We try to force tuple to semver with version like 1.2.0
Replace pkg_resources.parse_version which now display a warning when use for comparing version with tuple
:returns: Version string as comparable tuple
"""
release_type_found = False
version_infos = re.split('(\.|[a-z]+)', version)
version = []
for info in version_infos:
if info == '.' or len(info) == 0:
continue
try:
info = int(info)
# We pad with zero to compare only on string
# This avoid issue when comparing version with different length
version.append("%06d" % (info,))
except ValueError:
# Force to a version with three number
if len(version) == 1:
version.append("00000")
if len(version) == 2:
version.append("000000")
# We want rc to be at lower level than dev version
if info == 'rc':
info = 'c'
version.append(info)
release_type_found = True
if release_type_found is False:
# Force to a version with three number
if len(version) == 1:
version.append("00000")
if len(version) == 2:
version.append("000000")
version.append("final")
return tuple(version)