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# Copyright 2013 Ben Longbons <b.r.longbons@gmail.com>
#
# This file is part of attoconf.
#
# attoconf 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.
#
# attoconf 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 attoconf. If not, see <http://www.gnu.org/licenses/>.
import sys
from . import _version
if sys.version_info[0] != 3 or sys.version_info[1] < 6:
sys.exit('Unsupported Python version: %s\nattoconf requires Python 3.6+' % sys.version)
def require_version(major, minor, patch=0):
''' Check that this is the right version of attoconf, or die trying.
'''
if major != _version.major:
# Once I release attoconf 1.0, I *probably* won't ever
# do another major upgrade - that would be difficult to package.
sys.exit(
'''
This configure script requires a different major version of attoconf.
Major version changes are rare, and software written against the one
version is likely to need changes to work with the other version.
Current version: %s
Minimum required version: %d.%d.%d
''' % (full_version, major, minor, patch))
if minor > _version.minor:
# In the interest of good style, it sometimes *should* be rewritten.
sys.exit(
'''
This configure script requires a newer minor version of attoconf.
Minor version changes are common, and software written against the one
minor version will work with all later minor versions.
Current version: %s
Minimum required version: %d.%d.%d
''' % (full_version, major, minor, patch))
if minor == _version.minor and patch > _version.patch:
sys.exit(
'''
This configure script requires a newer patch version of attoconf.
Patch versions are usually not released unless there is a bug in a minor
version, but it is possible that someone is using experimental features.
If there is one, upgrade to the latest minor version instead.
Current version: %s
Minimum required version: %d.%d.%d
''' % (full_version, major, minor, patch))
part_version = '%d.%d.%d' % (_version.major, _version.minor, _version.patch)
full_version = 'attoconf %s (%s)' % (part_version, _version.distributor)
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