bootstrap-vz/bootstrapvz/common/releases.py

69 lines
1.9 KiB
Python

class _Release(object):
def __init__(self, codename, version):
self.codename = codename
self.version = version
def __cmp__(self, other):
return self.version - other.version
def __str__(self):
return self.codename
def __getstate__(self):
state = self.__dict__.copy()
state['__class__'] = self.__module__ + '.' + self.__class__.__name__
return state
def __setstate__(self, state):
for key in state:
self.__dict__[key] = state[key]
class _ReleaseAlias(_Release):
def __init__(self, alias, release):
self.alias = alias
self.release = release
super(_ReleaseAlias, self).__init__(self.release.codename, self.release.version)
def __str__(self):
return self.alias
sid = _Release('sid', 11)
buster = _Release('buster', 10)
stretch = _Release('stretch', 9)
jessie = _Release('jessie', 8)
wheezy = _Release('wheezy', 7)
squeeze = _Release('squeeze', 6.0)
lenny = _Release('lenny', 5.0)
etch = _Release('etch', 4.0)
sarge = _Release('sarge', 3.1)
woody = _Release('woody', 3.0)
potato = _Release('potato', 2.2)
slink = _Release('slink', 2.1)
hamm = _Release('hamm', 2.0)
bo = _Release('bo', 1.3)
rex = _Release('rex', 1.2)
buzz = _Release('buzz', 1.1)
unstable = _ReleaseAlias('unstable', sid)
testing = _ReleaseAlias('testing', buster)
stable = _ReleaseAlias('stable', stretch)
oldstable = _ReleaseAlias('oldstable', jessie)
def get_release(release_name):
"""Normalizes the release codenames
This allows tasks to query for release codenames rather than 'stable', 'unstable' etc.
"""
from . import releases
release = getattr(releases, release_name, None)
if release is None or not isinstance(release, _Release):
raise UnknownReleaseException('The release `{name}\' is unknown'.format(name=release))
return release
class UnknownReleaseException(Exception):
pass