146
145
class Config(object):
147
146
"""A configuration policy - what username, editor, gpg needs etc."""
150
super(Config, self).__init__()
152
148
def get_editor(self):
153
149
"""Get the users pop up editor."""
154
150
raise NotImplementedError
156
def get_change_editor(self, old_tree, new_tree):
157
from bzrlib import diff
158
cmd = self._get_change_editor()
161
return diff.DiffFromTool.from_string(cmd, old_tree, new_tree,
165
152
def get_mail_client(self):
166
153
"""Get a mail client to use"""
167
154
selected_client = self.get_user_option('mail_client')
168
_registry = mail_client.mail_client_registry
170
mail_client_class = _registry.get(selected_client)
156
mail_client_class = {
157
None: mail_client.DefaultMail,
159
'evolution': mail_client.Evolution,
160
'kmail': mail_client.KMail,
161
'mutt': mail_client.Mutt,
162
'thunderbird': mail_client.Thunderbird,
164
'default': mail_client.DefaultMail,
165
'editor': mail_client.Editor,
166
'mapi': mail_client.MAPIClient,
167
'emacs-mailmode': mail_client.EmacsMailMode,
168
'xdg-email': mail_client.XDGEmail,
172
171
raise errors.UnknownMailClient(selected_client)
173
172
return mail_client_class(self)
489
446
def set_user_option(self, option, value):
490
447
"""Save option and its value in the configuration."""
491
self._set_option(option, value, 'DEFAULT')
493
def get_aliases(self):
494
"""Return the aliases section."""
495
if 'ALIASES' in self._get_parser():
496
return self._get_parser()['ALIASES']
500
def set_alias(self, alias_name, alias_command):
501
"""Save the alias in the configuration."""
502
self._set_option(alias_name, alias_command, 'ALIASES')
504
def unset_alias(self, alias_name):
505
"""Unset an existing alias."""
506
aliases = self._get_parser().get('ALIASES')
507
if not aliases or alias_name not in aliases:
508
raise errors.NoSuchAlias(alias_name)
509
del aliases[alias_name]
510
self._write_config_file()
512
def _set_option(self, option, value, section):
513
448
# FIXME: RBC 20051029 This should refresh the parser and also take a
514
449
# file lock on bazaar.conf.
515
450
conf_dir = os.path.dirname(self._get_filename())
516
451
ensure_config_dir_exists(conf_dir)
517
self._get_parser().setdefault(section, {})[option] = value
518
self._write_config_file()
520
def _write_config_file(self):
521
path = self._get_filename()
523
osutils.copy_ownership_from_path(path)
452
if 'DEFAULT' not in self._get_parser():
453
self._get_parser()['DEFAULT'] = {}
454
self._get_parser()['DEFAULT'][option] = value
455
f = open(self._get_filename(), 'wb')
524
456
self._get_parser().write(f)
1147
1058
if a_user is None:
1148
1059
# Can't find a user
1150
# Prepare a credentials dictionary with additional keys
1151
# for the credential providers
1152
1061
credentials = dict(name=auth_def_name,
1159
password=auth_def.get('password', None),
1062
user=a_user, password=auth_def['password'],
1160
1063
verify_certificates=a_verify_certificates)
1161
# Decode the password in the credentials (or get one)
1162
1064
self.decode_password(credentials,
1163
1065
auth_def.get('password_encoding', None))
1164
1066
if 'auth' in debug.debug_flags:
1165
1067
trace.mutter("Using authentication section: %r", auth_def_name)
1168
if credentials is None:
1169
# No credentials were found in authentication.conf, try the fallback
1170
# credentials stores.
1171
credentials = credential_store_registry.get_fallback_credentials(
1172
scheme, host, port, user, path, realm)
1174
1070
return credentials
1176
def set_credentials(self, name, host, user, scheme=None, password=None,
1177
port=None, path=None, verify_certificates=None,
1179
"""Set authentication credentials for a host.
1181
Any existing credentials with matching scheme, host, port and path
1182
will be deleted, regardless of name.
1184
:param name: An arbitrary name to describe this set of credentials.
1185
:param host: Name of the host that accepts these credentials.
1186
:param user: The username portion of these credentials.
1187
:param scheme: The URL scheme (e.g. ssh, http) the credentials apply
1189
:param password: Password portion of these credentials.
1190
:param port: The IP port on the host that these credentials apply to.
1191
:param path: A filesystem path on the host that these credentials
1193
:param verify_certificates: On https, verify server certificates if
1195
:param realm: The http authentication realm (optional).
1197
values = {'host': host, 'user': user}
1198
if password is not None:
1199
values['password'] = password
1200
if scheme is not None:
1201
values['scheme'] = scheme
1202
if port is not None:
1203
values['port'] = '%d' % port
1204
if path is not None:
1205
values['path'] = path
1206
if verify_certificates is not None:
1207
values['verify_certificates'] = str(verify_certificates)
1208
if realm is not None:
1209
values['realm'] = realm
1210
config = self._get_config()
1212
for section, existing_values in config.items():
1213
for key in ('scheme', 'host', 'port', 'path', 'realm'):
1214
if existing_values.get(key) != values.get(key):
1218
config.update({name: values})
1221
def get_user(self, scheme, host, port=None, realm=None, path=None,
1222
prompt=None, ask=False, default=None):
1072
def get_user(self, scheme, host, port=None,
1073
realm=None, path=None, prompt=None):
1223
1074
"""Get a user from authentication file.
1225
1076
:param scheme: protocol
1304
1131
return password
1306
1133
def decode_password(self, credentials, encoding):
1308
cs = credential_store_registry.get_credential_store(encoding)
1310
raise ValueError('%r is not a known password_encoding' % encoding)
1311
credentials['password'] = cs.decode_password(credentials)
1315
class CredentialStoreRegistry(registry.Registry):
1316
"""A class that registers credential stores.
1318
A credential store provides access to credentials via the password_encoding
1319
field in authentication.conf sections.
1321
Except for stores provided by bzr itself, most stores are expected to be
1322
provided by plugins that will therefore use
1323
register_lazy(password_encoding, module_name, member_name, help=help,
1324
fallback=fallback) to install themselves.
1326
A fallback credential store is one that is queried if no credentials can be
1327
found via authentication.conf.
1330
def get_credential_store(self, encoding=None):
1331
cs = self.get(encoding)
1336
def is_fallback(self, name):
1337
"""Check if the named credentials store should be used as fallback."""
1338
return self.get_info(name)
1340
def get_fallback_credentials(self, scheme, host, port=None, user=None,
1341
path=None, realm=None):
1342
"""Request credentials from all fallback credentials stores.
1344
The first credentials store that can provide credentials wins.
1347
for name in self.keys():
1348
if not self.is_fallback(name):
1350
cs = self.get_credential_store(name)
1351
credentials = cs.get_credentials(scheme, host, port, user,
1353
if credentials is not None:
1354
# We found some credentials
1358
def register(self, key, obj, help=None, override_existing=False,
1360
"""Register a new object to a name.
1362
:param key: This is the key to use to request the object later.
1363
:param obj: The object to register.
1364
:param help: Help text for this entry. This may be a string or
1365
a callable. If it is a callable, it should take two
1366
parameters (registry, key): this registry and the key that
1367
the help was registered under.
1368
:param override_existing: Raise KeyErorr if False and something has
1369
already been registered for that key. If True, ignore if there
1370
is an existing key (always register the new value).
1371
:param fallback: Whether this credential store should be
1374
return super(CredentialStoreRegistry,
1375
self).register(key, obj, help, info=fallback,
1376
override_existing=override_existing)
1378
def register_lazy(self, key, module_name, member_name,
1379
help=None, override_existing=False,
1381
"""Register a new credential store to be loaded on request.
1383
:param module_name: The python path to the module. Such as 'os.path'.
1384
:param member_name: The member of the module to return. If empty or
1385
None, get() will return the module itself.
1386
:param help: Help text for this entry. This may be a string or
1388
:param override_existing: If True, replace the existing object
1389
with the new one. If False, if there is already something
1390
registered with the same key, raise a KeyError
1391
:param fallback: Whether this credential store should be
1394
return super(CredentialStoreRegistry, self).register_lazy(
1395
key, module_name, member_name, help,
1396
info=fallback, override_existing=override_existing)
1399
credential_store_registry = CredentialStoreRegistry()
1402
class CredentialStore(object):
1403
"""An abstract class to implement storage for credentials"""
1405
def decode_password(self, credentials):
1406
"""Returns a clear text password for the provided credentials."""
1407
raise NotImplementedError(self.decode_password)
1409
def get_credentials(self, scheme, host, port=None, user=None, path=None,
1411
"""Return the matching credentials from this credential store.
1413
This method is only called on fallback credential stores.
1415
raise NotImplementedError(self.get_credentials)
1419
class PlainTextCredentialStore(CredentialStore):
1420
__doc__ = """Plain text credential store for the authentication.conf file"""
1422
def decode_password(self, credentials):
1423
"""See CredentialStore.decode_password."""
1424
return credentials['password']
1427
credential_store_registry.register('plain', PlainTextCredentialStore,
1428
help=PlainTextCredentialStore.__doc__)
1429
credential_store_registry.default_key = 'plain'
1432
class BzrDirConfig(object):
1434
def __init__(self, bzrdir):
1435
self._bzrdir = bzrdir
1436
self._config = bzrdir._get_config()
1438
def set_default_stack_on(self, value):
1439
"""Set the default stacking location.
1441
It may be set to a location, or None.
1443
This policy affects all branches contained by this bzrdir, except for
1444
those under repositories.
1446
if self._config is None:
1447
raise errors.BzrError("Cannot set configuration in %s" % self._bzrdir)
1449
self._config.set_option('', 'default_stack_on')
1451
self._config.set_option(value, 'default_stack_on')
1453
def get_default_stack_on(self):
1454
"""Return the default stacking location.
1456
This will either be a location, or None.
1458
This policy affects all branches contained by this bzrdir, except for
1459
those under repositories.
1461
if self._config is None:
1463
value = self._config.get_option('default_stack_on')
1469
class TransportConfig(object):
1470
"""A Config that reads/writes a config file on a Transport.
1472
It is a low-level object that considers config data to be name/value pairs
1473
that may be associated with a section. Assigning meaning to the these
1474
values is done at higher levels like TreeConfig.
1477
def __init__(self, transport, filename):
1478
self._transport = transport
1479
self._filename = filename
1481
def get_option(self, name, section=None, default=None):
1482
"""Return the value associated with a named option.
1484
:param name: The name of the value
1485
:param section: The section the option is in (if any)
1486
:param default: The value to return if the value is not set
1487
:return: The value or default value
1489
configobj = self._get_configobj()
1491
section_obj = configobj
1494
section_obj = configobj[section]
1497
return section_obj.get(name, default)
1499
def set_option(self, value, name, section=None):
1500
"""Set the value associated with a named option.
1502
:param value: The value to set
1503
:param name: The name of the value to set
1504
:param section: The section the option is in (if any)
1506
configobj = self._get_configobj()
1508
configobj[name] = value
1510
configobj.setdefault(section, {})[name] = value
1511
self._set_configobj(configobj)
1513
def _get_config_file(self):
1515
return StringIO(self._transport.get_bytes(self._filename))
1516
except errors.NoSuchFile:
1519
def _get_configobj(self):
1520
return ConfigObj(self._get_config_file(), encoding='utf-8')
1522
def _set_configobj(self, configobj):
1523
out_file = StringIO()
1524
configobj.write(out_file)
1526
self._transport.put_file(self._filename, out_file)
added
removed
bzrlib/config.py
