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#!/usr/bin/python
# -*- coding: utf-8 -*-
#################################################################################
# LAYMAN CONFIGURATION
#################################################################################
# File: config.py
#
# Handles layman configuration
#
# Copyright:
# (c) 2005 - 2009 Gunnar Wrobel
# (c) 2009 Sebastian Pipping
# Distributed under the terms of the GNU General Public License v2
#
# Author(s):
# Gunnar Wrobel <wrobel@gentoo.org>
# Sebastian Pipping <sebastian@pipping.org>
#
'''Defines the configuration options and provides parsing functionality.'''
__version__ = "$Id: config.py 286 2007-01-09 17:48:23Z wrobel $"
#===============================================================================
#
# Dependencies
#
#-------------------------------------------------------------------------------
import sys, ConfigParser
from optparse import OptionParser, OptionGroup
from layman.debug import OUT
from layman.version import VERSION
#===============================================================================
#
# Class Config
#
#-------------------------------------------------------------------------------
_USAGE = """
layman (-a|-d|-s|-i) (OVERLAY|ALL)
layman -f [-o URL]
layman (-l|-L|-S)"""
class Config(object):
'''Handles the configuration.'''
def __init__(self, args=None):
'''
Creates and describes all possible polymeraZe options and creates
a debugging object.
>>> import os.path
>>> here = os.path.dirname(os.path.realpath(__file__))
>>> sys.argv.append('--config')
>>> sys.argv.append(here + '/../etc/layman.cfg')
>>> a = Config()
>>> a['overlays']
'\\nhttp://www.gentoo.org/proj/en/overlays/repositories.xml'
>>> sorted(a.keys())
['bzr_command', 'cache', 'config', 'cvs_command', 'darcs_command', 'git_command', 'local_list', 'make_conf', 'mercurial_command', 'nocheck', 'overlays', 'proxy', 'quietness', 'rsync_command', 'storage', 'svn_command', 'tar_command', 'umask', 'width']
'''
if args == None:
args = sys.argv
self.defaults = {'config' : '/etc/layman/layman.cfg',
'storage' : '/var/lib/layman',
'cache' : '%(storage)s/cache',
'local_list': '%(storage)s/overlays.xml',
'make_conf' : '%(storage)s/make.conf',
'nocheck' : 'yes',
'proxy' : '',
'umask' : '0022',
'overlays' :
'http://www.gentoo.org/proj/en/overlays/repositories.xml',
'bzr_command': '/usr/bin/bzr',
'cvs_command': '/usr/bin/cvs',
'darcs_command': '/usr/bin/darcs',
'git_command': '/usr/bin/git',
'mercurial_command': '/usr/bin/hg',
'rsync_command': '/usr/bin/rsync',
'svn_command': '/usr/bin/svn',
'tar_command': '/bin/tar', }
self.parser = OptionParser(
usage = _USAGE,
version = VERSION)
#-----------------------------------------------------------------
# Main Options
group = OptionGroup(self.parser,
'<Actions>')
group.add_option('-a',
'--add',
action = 'append',
help = 'Add the given overlay from the cached remote li'
'st to your locally installed overlays.. Specify "ALL" '
'to add all overlays from the remote list.')
group.add_option('-d',
'--delete',
action = 'append',
help = 'Remove the given overlay from your locally inst'
'alled overlays. Specify "ALL" to remove all overlays')
group.add_option('-s',
'--sync',
action = 'append',
help = 'Update the specified overlay. Use "ALL" as para'
'meter to synchronize all overlays')
group.add_option('-i',
'--info',
action = 'append',
help = 'Display information about the specified overlay'
'.')
group.add_option('-S',
'--sync-all',
action = 'store_true',
help = 'Update all overlays.')
group.add_option('-L',
'--list',
action = 'store_true',
help = 'List the contents of the remote list.')
group.add_option('-l',
'--list-local',
action = 'store_true',
help = 'List the locally installed overlays.')
group.add_option('-f',
'--fetch',
action = 'store_true',
help = 'Fetch a remote list of overlays. This option is'
' deprecated. The fetch operation will be performed by '
'default when you run sync, sync-all, or list.')
group.add_option('-n',
'--nofetch',
action = 'store_true',
help = 'Do not fetch a remote list of overlays.')
group.add_option('-p',
'--priority',
action = 'store',
help = 'Use this with the --add switch to set the prior'
'ity of the added overlay. This will influence the sort'
'ing order of the overlays in the PORTDIR_OVERLAY varia'
'ble.')
self.parser.add_option_group(group)
#-----------------------------------------------------------------
# Additional Options
group = OptionGroup(self.parser,
'<Path options>')
group.add_option('-c',
'--config',
action = 'store',
help = 'Path to the config file [default: ' \
+ self.defaults['config'] + '].')
group.add_option('-o',
'--overlays',
action = 'append',
help = 'The list of overlays [default: ' \
+ self.defaults['overlays'] + '].')
self.parser.add_option_group(group)
#-----------------------------------------------------------------
# Output Options
group = OptionGroup(self.parser,
'<Output options>')
group.add_option('-v',
'--verbose',
action = 'store_true',
help = 'Increase the amount of output and describe the '
'overlays.')
group.add_option('-q',
'--quiet',
action = 'store_true',
help = 'Yield no output. Please be careful with this op'
'tion: If the processes spawned by layman when adding o'
'r synchronizing overlays require any input layman will'
' hang without telling you why. This might happen for e'
'xample if your overlay resides in subversion and the S'
'SL certificate of the server needs acceptance.')
group.add_option('-N',
'--nocolor',
action = 'store_true',
help = 'Remove color codes from the layman output.')
group.add_option('-Q',
'--quietness',
action = 'store',
type = 'int',
default = '4',
help = 'Set the level of output (0-4). Default: 4. Once'
' you set this below 2 the same warning as given for --'
'quiet applies! ')
group.add_option('-W',
'--width',
action = 'store',
type = 'int',
default = '0',
help = 'Sets the screen width. This setting is usually '
'not required as layman is capable of detecting the ava'
'available number of columns automatically.')
group.add_option('-k',
'--nocheck',
action = 'store_true',
help = 'Do not check overlay definitions and do not i'
'ssue a warning if description or contact information'
' are missing.')
self.parser.add_option_group(group)
#-----------------------------------------------------------------
# Debug Options
OUT.cli_opts(self.parser)
# Parse the command line first since we need to get the config
# file option.
self.options = self.parser.parse_args(args)[0]
# handle debugging
OUT.cli_handle(self.options)
if self.options.__dict__['nocolor']:
OUT.color_off()
# Fetch only an alternate config setting from the options
if not self.options.__dict__['config'] is None:
self.defaults['config'] = self.options.__dict__['config']
OUT.debug('Got config file at ' + self.defaults['config'], 8)
# Now parse the config file
self.config = ConfigParser.ConfigParser(self.defaults)
self.config.add_section('MAIN')
# handle quietness
if self['quiet']:
OUT.set_info_level(1)
OUT.set_warn_level(1)
self.defaults['quietness'] = 0
elif 'quietness' in self.keys():
OUT.set_info_level(int(self['quietness']))
OUT.set_warn_level(int(self['quietness']))
OUT.debug('Reading config file at ' + self.defaults['config'], 8)
self.config.read(self.defaults['config'])
def __getitem__(self, key):
if key == 'overlays':
overlays = ''
if (key in self.options.__dict__.keys()
and not self.options.__dict__[key] is None):
overlays = '\n'.join(self.options.__dict__[key])
if self.config.has_option('MAIN', 'overlays'):
overlays += '\n' + self.config.get('MAIN', 'overlays')
if overlays:
return overlays
OUT.debug('Retrieving option', 8)
if (key in self.options.__dict__.keys()
and not self.options.__dict__[key] is None):
return self.options.__dict__[key]
OUT.debug('Retrieving option', 8)
if self.config.has_option('MAIN', key):
if key == 'nocheck':
if self.config.get('MAIN', key).lower() == 'yes':
return True
else:
return False
return self.config.get('MAIN', key)
OUT.debug('Retrieving option', 8)
if key in self.defaults.keys():
return self.defaults[key]
OUT.debug('Retrieving option', 8)
return None
def keys(self):
'''Special handler for the configuration keys.'''
OUT.debug('Retrieving keys', 8)
keys = [i for i in self.options.__dict__.keys()
if not self.options.__dict__[i] is None]
OUT.debug('Retrieving keys', 8)
keys += [name for name, _ in self.config.items('MAIN')
if not name in keys]
OUT.debug('Retrieving keys', 8)
keys += [i for i in self.defaults.keys()
if not i in keys]
OUT.debug('Retrieving keys', 8)
return keys
#===============================================================================
#
# Testing
#
#-------------------------------------------------------------------------------
if __name__ == '__main__':
import doctest
doctest.testmod(sys.modules[__name__])
|
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