5 Gentoo-keys - config.py
7 Holds configuration keys and values
9 @copyright: 2012 by Brian Dolbec <dol-sen@gentoo.org>
10 @license: GNU GNU GPL2, see COPYING for details.
17 if sys.hexversion >= 0x30200f0:
18 import configparser as ConfigParser
22 from collections import namedtuple
25 from pyGPG.config import GPGConfig
28 from gkeys.utils import path
33 # establish the eprefix, initially set so eprefixify can
35 EPREFIX = "@GENTOO_PORTAGE_EPREFIX@"
37 # check and set it if it wasn't
38 if "GENTOO_PORTAGE_EPREFIX" in EPREFIX:
43 class GKeysConfig(GPGConfig):
44 """ Configuration superclass which holds our gentoo-keys
45 config settings for pygpg """
47 def __init__ (self, config=None, root=None, read_configfile=False):
48 """ Class initialiser """
49 GPGConfig.__init__(self)
51 self.root = root or ''
53 self.defaults['config'] = config
54 self.defaults['configdir'] = os.path.dirname(config)
56 self.defaults['configdir'] = path([self.root, EPREFIX, '/etc/gentoo-keys'])
57 self.defaults['config'] = '%(configdir)s/gkeys.conf'
58 self.configparser = None
63 def _add_gkey_defaults(self):
64 self.defaults['keysdir'] = path([self.root, EPREFIX, '/var/gentoo/gkeys'])
65 self.defaults['dev-keydir'] = '%(keysdir)s/devs'
66 self.defaults['release-keydir'] = '%(keysdir)s/release'
67 self.defaults['overlays-keydir'] = '%(keysdir)s/overlays'
68 self.defaults['known-keysfile'] = '%(keysdir)s/knownkeys'
69 self.defaults['release-seedfile'] = '%(configdir)s/release.seeds'
70 self.defaults['dev-seedfile'] = '%(configdir)s/developer.seeds'
71 self.defaults['keyserver'] = 'pool.sks-keyservers.net'
75 def read_config(self):
76 '''Reads the config file into memory
78 if "%(configdir)s" in self.defaults['config']:
80 self.defaults['config'] = self.defaults['config'] \
81 % {'configdir': self.defaults['configdir']}
82 defaults = self.get_defaults()
83 # remove some defaults from being entered into the configparser
84 for key in ['gpg_defaults', 'only_usable', 'refetch', 'tasks']:
86 self.configparser = ConfigParser.ConfigParser(defaults)
87 self.configparser.add_section('MAIN')
88 self.configparser.read(defaults['config'])
91 def get_key(self, key, subkey=None):
92 return self._get_(key, subkey)
95 def _get_(self, key, subkey=None):
96 if self.configparser and self.configparser.has_option('MAIN', key):
98 logger.debug("Found %s in configparser... %s"
99 % (key, str(self.configparser.get('MAIN', key))))
100 #logger.debug("type(key)= %s"
101 # % str(type(self.configparser.get('MAIN', key))))
102 return self.configparser.get('MAIN', key)
104 return super(GKeysConfig, self)._get_(key, subkey)
107 class GKEY(namedtuple('GKEY', ['nick', 'name', 'keyid', 'longkeyid',
108 'keydir', 'fingerprint'])):
109 '''Class to hold the relavent info about a key'''
111 field_types = {'nick': str, 'name': str, 'keyid': list,
112 'longkeyid': list, 'keydir': str, 'fingerprint': list}
113 field_separator = "|"
117 def _packed_values(self):
118 '''Returns a list of the field values'''
120 for f in self._fields:
121 v.append(self._pack(f))
125 def packed_string(self):
126 '''Returns a separator joined string of the field values'''
127 return self.field_separator.join([x for x in self._packed_values()])
129 def _unpack_string(self, packed_data):
130 '''Returns a list of the separator joined string of the field values'''
132 data = packed_data.split(self.field_separator)
133 for x in self._fields:
134 values.append(self._unpack(x, data.pop(0)))
137 def _pack(self, field):
138 '''pack field data into a string'''
139 if self.field_types[field] == str:
140 return getattr(self, field)
141 elif self.field_types[field] == list:
142 info = getattr(self, field)
144 return self.list_separator.join(info)
146 # force an empty list to None
149 raise "ERROR packing %s" %str(getattr(self, field))
151 def _unpack(self, field, data):
152 '''unpack field data to the desired type'''
153 if self.field_types[field] == str:
159 # make it an empty list
162 result = data.split(self.list_separator)
165 def make_packed(self, packed_string):
166 '''Creates a new instance of Gkey from the packed
169 @param packed_string: string of data separated by field_separator
170 @return new GKEY instance containing the data
172 return GKEY._make(self._unpack_string(packed_string))