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# -*- coding: utf-8 -*-
# Copyright (C) 2011 Adam D. Barratt <adsb@debian.org>
# 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 2 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.
class MigrationItem(object):
_architectures = []
@classmethod
def set_architectures(cls, architectures = None):
cls._architectures = architectures or []
@classmethod
def get_architectures(cls):
return cls._architectures
def __init__(self, name = None, versionned = True):
self._name = None
self._uvname = None
self._package = None
self._version = None
self._architecture = None
self._suite = None
self._versionned = versionned
if name:
self.name = name
def __str__(self):
if self._versionned and self.version is not None:
return self.name
else:
return self.uvname
def __eq__(self, other):
isequal = False
if self.uvname == other.uvname:
if self.version is None or other.version is None:
isequal = True
else:
isequal = self.version == other.version
return isequal
def __hash__(self):
return hash((self.uvname, self.version))
def __lt__(self, other):
return (self.uvname, self.version) < (other.uvname, other.version)
@property
def name(self):
return self._name
@name.setter
def name(self, value):
self._version = None
self._name = value
if value.startswith('-'):
value = value[1:]
parts = value.split('/', 3)
package = parts[0]
if '_' in package:
self._package, self._suite = package.split('_', 2)
else:
self._package, self._suite = (package, 'unstable')
if self._versionned and len(parts) > 1:
if len(parts) == 3:
self._architecture = parts[1]
self._version = parts[2]
else:
self._architecture = 'source'
self._version = parts[1]
else:
if len(parts) >= 2:
self._architecture = parts[1]
else:
self._architecture = 'source'
if self._version in self.__class__.get_architectures():
(self._architecture, self._version) = \
(self._version, self._architecture)
if '_' in self._architecture:
self._architecture, self._suite = \
self._architecture.split('_', 2)
if self.is_removal:
self._suite = 'testing'
self._canonicalise_name()
def _canonicalise_name(self):
parts = self._name.split('/', 3)
is_removal = self.is_removal
if len(parts) == 1 or self._architecture == 'source':
self._uvname = self._package
else:
self._uvname = "%s/%s" % (self._package, self._architecture)
if self._suite not in ('testing', 'unstable'):
self._uvname = '%s_%s' % (self._uvname, self._suite)
if is_removal:
self._uvname = '-%s' % (self._uvname)
if self._versionned:
self._name = '%s/%s' % (self._uvname, self._version)
else:
self._name = self._uvname
@property
def is_removal(self):
return self._name.startswith('-')
@property
def architecture(self):
return self._architecture
@property
def package(self):
return self._package
@property
def suite(self):
return self._suite
@suite.setter
def suite(self, value):
self._suite = value
self._canonicalise_name()
@property
def version(self):
return self._version
@property
def uvname(self):
return self._uvname
class UnversionnedMigrationItem(MigrationItem):
def __init__(self, name = None):
MigrationItem.__init__(self, name = name, versionned = False)