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#!/usr/bin/python
# -*- coding: utf-8 -*-
#################################################################################
# LAYMAN OVERLAY DB
#################################################################################
# File: db.py
#
# Access to the db of overlays
#
# Copyright:
# (c) 2005 - 2008 Gunnar Wrobel
# Distributed under the terms of the GNU General Public License v2
#
# Author(s):
# Gunnar Wrobel <wrobel@gentoo.org>
#
'''Handles different storage files.'''
from __future__ import unicode_literals
from __future__ import with_statement
__version__ = "$Id: db.py 309 2007-04-09 16:23:38Z wrobel $"
#===============================================================================
#
# Dependencies
#
#-------------------------------------------------------------------------------
import os, os.path
from layman.utils import path, delete_empty_directory, get_ans
from layman.dbbase import DbBase
from layman.repoconfmanager import RepoConfManager
#===============================================================================
#
# Class DB
#
#-------------------------------------------------------------------------------
class DB(DbBase):
''' Handle the list of installed overlays.'''
def __init__(self, config):
self.config = config
self.output = config['output']
self.path = config['installed']
self.output.debug("DB.__init__(): config['installed'] = %s" % self.path, 3)
if config['nocheck']:
ignore = 2
else:
ignore = 1
DbBase.__init__(self,
config,
paths=[config['installed'], ],
ignore=ignore,
allow_missing=True,
)
self.repo_conf = RepoConfManager(self.config, self.overlays)
self.output.debug('DB handler initiated', 6)
# check and handle the name change
if not os.access(self.config['installed'], os.F_OK) and \
os.access(self.config['local_list'], os.F_OK):
self.output.die("Please run layman-updater, "
"then run layman again")
# overrider
def _broken_catalog_hint(self):
return ''
def _check_official(self, overlay):
'''
Prompt user to see if they want to install unofficial overlays.
@params overlay: layman.overlays.Overlay object.
@rtype bool: reflect the user's decision to install overlay.
'''
if self.config['check_official'] and not overlay.status == 'official':
msg = 'Overlay "%(repo)s" is not an official. Continue install?'\
' [y/n]: ' % {'repo': overlay.name}
if not get_ans(msg, color='green'):
msg = 'layman will not add "%(repo)s", due to user\'s'\
' decision\nto not install unofficial overlays.'\
% {'repo': overlay.name}
hint = 'Hint: To remove this check, set "check_official"'\
' to "No"\nin your layman.cfg.'
self.output.warn(msg)
self.output.notice('')
self.output.warn(hint)
return False
else:
return True
return True
def add(self, overlay):
'''
Add an overlay to the local list of overlays.
'''
if overlay.name not in self.overlays.keys():
if not self._check_official(overlay):
return False
result = overlay.add(self.config['storage'])
if result == 0:
if 'priority' in self.config.keys():
overlay.set_priority(self.config['priority'])
self.overlays[overlay.name] = overlay
self.write(self.path)
repo_ok = self.repo_conf.add(overlay)
if False in repo_ok:
return False
return True
else:
mdir = path([self.config['storage'], overlay.name])
delete_empty_directory(mdir, self.output)
if os.path.exists(mdir):
self.output.error('Adding repository "%s" failed!'
' Possible remains of the operation have NOT'
' been removed and may be left at "%s".'
' Please remove them manually if required.' \
% (overlay.name, mdir))
return False
else:
self.output.error(
'Adding repository "%s" failed!' % overlay.name)
return False
else:
self.output.error('Repository "' + overlay.name +
'" already in the local (installed) list!')
return False
def delete(self, overlay):
'''
Delete an overlay from the local list of overlays.
'''
if overlay.name in self.overlays.keys():
overlay.delete(self.config['storage'])
repo_ok = self.repo_conf.delete(overlay)
del self.overlays[overlay.name]
self.write(self.path)
else:
self.output.error('No local overlay named "' + overlay.name + '"!')
return False
if False in repo_ok:
return False
return True
def disable(self, overlay):
if overlay.name in self.overlays.keys():
result = self.repo_conf.disable(overlay)
else:
self.output.error('No local overlay named "%(repo)s"!'\
% ({'repo': overlay.name}))
return False
msg = 'Overlay %(repo)s has been disabled.\n'\
'All ebuilds in this overlay will not be recognized by portage.'\
% ({'repo': overlay.name})
if result:
self.output.warn(msg)
return result
def enable(self, overlay):
if overlay.name in self.overlays.keys():
result = self.repo_conf.enable(overlay)
else:
self.output.error('No local overlay named "%(repo)s"!'\
% ({'repo': overlay.name}))
return False
msg = 'Overlay %(repo)s has been enabled.\n'\
'All ebuilds in this overlay will now be recognized by portage.'\
% ({'repo': overlay.name})
if result:
self.output.info(msg)
return result
def update(self, overlay, available_srcs):
'''
Updates the overlay source via the available source(s).
@params overlay: layman.overlay.Overlay object.
@params available_srcs: set of available source URLs.
'''
source, result = self.overlays[overlay.name].update(self.config['storage'],
available_srcs)
result = [result]
self.overlays[overlay.name].sources = source
result.extend(self.repo_conf.update(self.overlays[overlay.name]))
self.write(self.path)
if False in result:
return False
return True
def sync(self, overlay_name):
'''Synchronize the given overlay.'''
overlay = self.select(overlay_name)
result = overlay.sync(self.config['storage'])
if result:
raise Exception('Syncing overlay "' + overlay_name +
'" returned status ' + str(result) + '!' +
'\ndb.sync()')
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