1508
2280
configobj[name] = value
1510
2282
configobj.setdefault(section, {})[name] = value
2283
for hook in OldConfigHooks['set']:
2284
hook(self, name, value)
2285
self._set_configobj(configobj)
2287
def remove_option(self, option_name, section_name=None):
2288
configobj = self._get_configobj()
2289
if section_name is None:
2290
del configobj[option_name]
2292
del configobj[section_name][option_name]
2293
for hook in OldConfigHooks['remove']:
2294
hook(self, option_name)
1511
2295
self._set_configobj(configobj)
1513
2297
def _get_config_file(self):
1515
return StringIO(self._transport.get_bytes(self._filename))
2299
f = StringIO(self._transport.get_bytes(self._filename))
2300
for hook in OldConfigHooks['load']:
1516
2303
except errors.NoSuchFile:
1517
2304
return StringIO()
2305
except errors.PermissionDenied, e:
2306
trace.warning("Permission denied while trying to open "
2307
"configuration file %s.", urlutils.unescape_for_display(
2308
urlutils.join(self._transport.base, self._filename), "utf-8"))
2311
def _external_url(self):
2312
return urlutils.join(self._transport.external_url(), self._filename)
1519
2314
def _get_configobj(self):
1520
return ConfigObj(self._get_config_file(), encoding='utf-8')
2315
f = self._get_config_file()
2318
conf = ConfigObj(f, encoding='utf-8')
2319
except configobj.ConfigObjError, e:
2320
raise errors.ParseConfigError(e.errors, self._external_url())
2321
except UnicodeDecodeError:
2322
raise errors.ConfigContentError(self._external_url())
1522
2327
def _set_configobj(self, configobj):
1523
2328
out_file = StringIO()
1524
2329
configobj.write(out_file)
1525
2330
out_file.seek(0)
1526
2331
self._transport.put_file(self._filename, out_file)
2332
for hook in OldConfigHooks['save']:
2336
class Option(object):
2337
"""An option definition.
2339
The option *values* are stored in config files and found in sections.
2341
Here we define various properties about the option itself, its default
2342
value, how to convert it from stores, what to do when invalid values are
2343
encoutered, in which config files it can be stored.
2346
def __init__(self, name, default=None, default_from_env=None,
2347
help=None, from_unicode=None, invalid=None,
2349
"""Build an option definition.
2351
:param name: the name used to refer to the option.
2353
:param default: the default value to use when none exist in the config
2354
stores. This is either a string that ``from_unicode`` will convert
2355
into the proper type, a callable returning a unicode string so that
2356
``from_unicode`` can be used on the return value, or a python
2357
object that can be stringified (so only the empty list is supported
2360
:param default_from_env: A list of environment variables which can
2361
provide a default value. 'default' will be used only if none of the
2362
variables specified here are set in the environment.
2364
:param help: a doc string to explain the option to the user.
2366
:param from_unicode: a callable to convert the unicode string
2367
representing the option value in a store. This is not called for
2370
:param invalid: the action to be taken when an invalid value is
2371
encountered in a store. This is called only when from_unicode is
2372
invoked to convert a string and returns None or raise ValueError or
2373
TypeError. Accepted values are: None (ignore invalid values),
2374
'warning' (emit a warning), 'error' (emit an error message and
2377
:param unquote: should the unicode value be unquoted before conversion.
2378
This should be used only when the store providing the values cannot
2379
safely unquote them (see http://pad.lv/906897). It is provided so
2380
daughter classes can handle the quoting themselves.
2382
if default_from_env is None:
2383
default_from_env = []
2385
# Convert the default value to a unicode string so all values are
2386
# strings internally before conversion (via from_unicode) is attempted.
2389
elif isinstance(default, list):
2390
# Only the empty list is supported
2392
raise AssertionError(
2393
'Only empty lists are supported as default values')
2395
elif isinstance(default, (str, unicode, bool, int, float)):
2396
# Rely on python to convert strings, booleans and integers
2397
self.default = u'%s' % (default,)
2398
elif callable(default):
2399
self.default = default
2401
# other python objects are not expected
2402
raise AssertionError('%r is not supported as a default value'
2404
self.default_from_env = default_from_env
2406
self.from_unicode = from_unicode
2407
self.unquote = unquote
2408
if invalid and invalid not in ('warning', 'error'):
2409
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2410
self.invalid = invalid
2412
def convert_from_unicode(self, store, unicode_value):
2413
if self.unquote and store is not None and unicode_value is not None:
2414
unicode_value = store.unquote(unicode_value)
2415
if self.from_unicode is None or unicode_value is None:
2416
# Don't convert or nothing to convert
2417
return unicode_value
2419
converted = self.from_unicode(unicode_value)
2420
except (ValueError, TypeError):
2421
# Invalid values are ignored
2423
if converted is None and self.invalid is not None:
2424
# The conversion failed
2425
if self.invalid == 'warning':
2426
trace.warning('Value "%s" is not valid for "%s"',
2427
unicode_value, self.name)
2428
elif self.invalid == 'error':
2429
raise errors.ConfigOptionValueError(self.name, unicode_value)
2432
def get_default(self):
2434
for var in self.default_from_env:
2436
# If the env variable is defined, its value is the default one
2437
value = os.environ[var].decode(osutils.get_user_encoding())
2442
# Otherwise, fallback to the value defined at registration
2443
if callable(self.default):
2444
value = self.default()
2445
if not isinstance(value, unicode):
2446
raise AssertionError(
2447
'Callable default values should be unicode')
2449
value = self.default
2452
def get_help_text(self, additional_see_also=None, plain=True):
2454
from bzrlib import help_topics
2455
result += help_topics._format_see_also(additional_see_also)
2457
result = help_topics.help_as_plain_text(result)
2461
# Predefined converters to get proper values from store
2463
def bool_from_store(unicode_str):
2464
return ui.bool_from_string(unicode_str)
2467
def int_from_store(unicode_str):
2468
return int(unicode_str)
2471
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2473
def int_SI_from_store(unicode_str):
2474
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2476
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2477
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2480
:return Integer, expanded to its base-10 value if a proper SI unit is
2481
found, None otherwise.
2483
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2484
p = re.compile(regexp, re.IGNORECASE)
2485
m = p.match(unicode_str)
2488
val, _, unit = m.groups()
2492
coeff = _unit_suffixes[unit.upper()]
2494
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2499
def float_from_store(unicode_str):
2500
return float(unicode_str)
2503
# Use a an empty dict to initialize an empty configobj avoiding all
2504
# parsing and encoding checks
2505
_list_converter_config = configobj.ConfigObj(
2506
{}, encoding='utf-8', list_values=True, interpolation=False)
2509
class ListOption(Option):
2511
def __init__(self, name, default=None, default_from_env=None,
2512
help=None, invalid=None):
2513
"""A list Option definition.
2515
This overrides the base class so the conversion from a unicode string
2516
can take quoting into account.
2518
super(ListOption, self).__init__(
2519
name, default=default, default_from_env=default_from_env,
2520
from_unicode=self.from_unicode, help=help,
2521
invalid=invalid, unquote=False)
2523
def from_unicode(self, unicode_str):
2524
if not isinstance(unicode_str, basestring):
2526
# Now inject our string directly as unicode. All callers got their
2527
# value from configobj, so values that need to be quoted are already
2529
_list_converter_config.reset()
2530
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2531
maybe_list = _list_converter_config['list']
2532
if isinstance(maybe_list, basestring):
2534
# A single value, most probably the user forgot (or didn't care
2535
# to add) the final ','
2538
# The empty string, convert to empty list
2541
# We rely on ConfigObj providing us with a list already
2546
class OptionRegistry(registry.Registry):
2547
"""Register config options by their name.
2549
This overrides ``registry.Registry`` to simplify registration by acquiring
2550
some information from the option object itself.
2553
def register(self, option):
2554
"""Register a new option to its name.
2556
:param option: The option to register. Its name is used as the key.
2558
super(OptionRegistry, self).register(option.name, option,
2561
def register_lazy(self, key, module_name, member_name):
2562
"""Register a new option to be loaded on request.
2564
:param key: the key to request the option later. Since the registration
2565
is lazy, it should be provided and match the option name.
2567
:param module_name: the python path to the module. Such as 'os.path'.
2569
:param member_name: the member of the module to return. If empty or
2570
None, get() will return the module itself.
2572
super(OptionRegistry, self).register_lazy(key,
2573
module_name, member_name)
2575
def get_help(self, key=None):
2576
"""Get the help text associated with the given key"""
2577
option = self.get(key)
2578
the_help = option.help
2579
if callable(the_help):
2580
return the_help(self, key)
2584
option_registry = OptionRegistry()
2587
# Registered options in lexicographical order
2589
option_registry.register(
2590
Option('append_revisions_only',
2591
default=None, from_unicode=bool_from_store, invalid='warning',
2593
Whether to only append revisions to the mainline.
2595
If this is set to true, then it is not possible to change the
2596
existing mainline of the branch.
2598
option_registry.register(
2599
ListOption('acceptable_keys',
2602
List of GPG key patterns which are acceptable for verification.
2604
option_registry.register(
2605
Option('add.maximum_file_size',
2606
default=u'20MB', from_unicode=int_SI_from_store,
2608
Size above which files should be added manually.
2610
Files below this size are added automatically when using ``bzr add`` without
2613
A negative value means disable the size check.
2615
option_registry.register(
2617
default=None, from_unicode=bool_from_store,
2619
Is the branch bound to ``bound_location``.
2621
If set to "True", the branch should act as a checkout, and push each commit to
2622
the bound_location. This option is normally set by ``bind``/``unbind``.
2624
See also: bound_location.
2626
option_registry.register(
2627
Option('bound_location',
2630
The location that commits should go to when acting as a checkout.
2632
This option is normally set by ``bind``.
2636
option_registry.register(
2637
Option('bzr.workingtree.worth_saving_limit', default=10,
2638
from_unicode=int_from_store, invalid='warning',
2640
How many changes before saving the dirstate.
2642
-1 means that we will never rewrite the dirstate file for only
2643
stat-cache changes. Regardless of this setting, we will always rewrite
2644
the dirstate file if a file is added/removed/renamed/etc. This flag only
2645
affects the behavior of updating the dirstate file after we notice that
2646
a file has been touched.
2648
option_registry.register(
2649
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2650
from_unicode=signature_policy_from_unicode,
2652
GPG checking policy.
2654
Possible values: require, ignore, check-available (default)
2656
this option will control whether bzr will require good gpg
2657
signatures, ignore them, or check them if they are
2660
option_registry.register(
2661
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2662
from_unicode=signing_policy_from_unicode,
2666
Possible values: always, never, when-required (default)
2668
This option controls whether bzr will always create
2669
gpg signatures or not on commits.
2671
option_registry.register(
2672
Option('dirstate.fdatasync', default=True,
2673
from_unicode=bool_from_store,
2675
Flush dirstate changes onto physical disk?
2677
If true (default), working tree metadata changes are flushed through the
2678
OS buffers to physical disk. This is somewhat slower, but means data
2679
should not be lost if the machine crashes. See also repository.fdatasync.
2681
option_registry.register(
2682
ListOption('debug_flags', default=[],
2683
help='Debug flags to activate.'))
2684
option_registry.register(
2685
Option('default_format', default='2a',
2686
help='Format used when creating branches.'))
2687
option_registry.register(
2688
Option('dpush_strict', default=None,
2689
from_unicode=bool_from_store,
2691
The default value for ``dpush --strict``.
2693
If present, defines the ``--strict`` option default value for checking
2694
uncommitted changes before pushing into a different VCS without any
2695
custom bzr metadata.
2697
option_registry.register(
2699
help='The command called to launch an editor to enter a message.'))
2700
option_registry.register(
2701
Option('email', default=default_email,
2702
from_unicode=email_from_store,
2703
help='The users identity'))
2704
option_registry.register(
2705
Option('gpg_signing_command',
2708
Program to use use for creating signatures.
2710
This should support at least the -u and --clearsign options.
2712
option_registry.register(
2713
Option('gpg_signing_key',
2716
GPG key to use for signing.
2718
This defaults to the first key associated with the users email.
2720
option_registry.register(
2721
Option('ignore_missing_extensions', default=False,
2722
from_unicode=bool_from_store,
2724
Control the missing extensions warning display.
2726
The warning will not be emitted if set to True.
2728
option_registry.register(
2730
help='Language to translate messages into.'))
2731
option_registry.register(
2732
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2734
Steal locks that appears to be dead.
2736
If set to True, bzr will check if a lock is supposed to be held by an
2737
active process from the same user on the same machine. If the user and
2738
machine match, but no process with the given PID is active, then bzr
2739
will automatically break the stale lock, and create a new lock for
2741
Otherwise, bzr will prompt as normal to break the lock.
2743
option_registry.register(
2744
Option('log_format', default='long',
2746
Log format to use when displaying revisions.
2748
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2749
may be provided by plugins.
2751
option_registry.register(
2752
Option('output_encoding',
2753
help= 'Unicode encoding for output'
2754
' (terminal encoding if not specified).'))
2755
option_registry.register(
2756
Option('parent_location',
2759
The location of the default branch for pull or merge.
2761
This option is normally set when creating a branch, the first ``pull`` or by
2762
``pull --remember``.
2764
option_registry.register(
2765
Option('post_commit', default=None,
2767
Post commit functions.
2769
An ordered list of python functions to call, separated by spaces.
2771
Each function takes branch, rev_id as parameters.
2773
option_registry.register(
2774
Option('public_branch',
2777
A publically-accessible version of this branch.
2779
This implies that the branch setting this option is not publically-accessible.
2780
Used and set by ``bzr send``.
2782
option_registry.register(
2783
Option('push_location',
2786
The location of the default branch for push.
2788
This option is normally set by the first ``push`` or ``push --remember``.
2790
option_registry.register(
2791
Option('push_strict', default=None,
2792
from_unicode=bool_from_store,
2794
The default value for ``push --strict``.
2796
If present, defines the ``--strict`` option default value for checking
2797
uncommitted changes before sending a merge directive.
2799
option_registry.register(
2800
Option('repository.fdatasync', default=True,
2801
from_unicode=bool_from_store,
2803
Flush repository changes onto physical disk?
2805
If true (default), repository changes are flushed through the OS buffers
2806
to physical disk. This is somewhat slower, but means data should not be
2807
lost if the machine crashes. See also dirstate.fdatasync.
2809
option_registry.register_lazy('smtp_server',
2810
'bzrlib.smtp_connection', 'smtp_server')
2811
option_registry.register_lazy('smtp_password',
2812
'bzrlib.smtp_connection', 'smtp_password')
2813
option_registry.register_lazy('smtp_username',
2814
'bzrlib.smtp_connection', 'smtp_username')
2815
option_registry.register(
2816
Option('selftest.timeout',
2818
from_unicode=int_from_store,
2819
help='Abort selftest if one test takes longer than this many seconds',
2822
option_registry.register(
2823
Option('send_strict', default=None,
2824
from_unicode=bool_from_store,
2826
The default value for ``send --strict``.
2828
If present, defines the ``--strict`` option default value for checking
2829
uncommitted changes before sending a bundle.
2832
option_registry.register(
2833
Option('serve.client_timeout',
2834
default=300.0, from_unicode=float_from_store,
2835
help="If we wait for a new request from a client for more than"
2836
" X seconds, consider the client idle, and hangup."))
2837
option_registry.register(
2838
Option('stacked_on_location',
2840
help="""The location where this branch is stacked on."""))
2841
option_registry.register(
2842
Option('submit_branch',
2845
The branch you intend to submit your current work to.
2847
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2848
by the ``submit:`` revision spec.
2852
class Section(object):
2853
"""A section defines a dict of option name => value.
2855
This is merely a read-only dict which can add some knowledge about the
2856
options. It is *not* a python dict object though and doesn't try to mimic
2860
def __init__(self, section_id, options):
2861
self.id = section_id
2862
# We re-use the dict-like object received
2863
self.options = options
2865
def get(self, name, default=None, expand=True):
2866
return self.options.get(name, default)
2868
def iter_option_names(self):
2869
for k in self.options.iterkeys():
2873
# Mostly for debugging use
2874
return "<config.%s id=%s>" % (self.__class__.__name__, self.id)
2877
_NewlyCreatedOption = object()
2878
"""Was the option created during the MutableSection lifetime"""
2879
_DeletedOption = object()
2880
"""Was the option deleted during the MutableSection lifetime"""
2883
class MutableSection(Section):
2884
"""A section allowing changes and keeping track of the original values."""
2886
def __init__(self, section_id, options):
2887
super(MutableSection, self).__init__(section_id, options)
2888
self.reset_changes()
2890
def set(self, name, value):
2891
if name not in self.options:
2892
# This is a new option
2893
self.orig[name] = _NewlyCreatedOption
2894
elif name not in self.orig:
2895
self.orig[name] = self.get(name, None)
2896
self.options[name] = value
2898
def remove(self, name):
2899
if name not in self.orig:
2900
self.orig[name] = self.get(name, None)
2901
del self.options[name]
2903
def reset_changes(self):
2906
def apply_changes(self, dirty, store):
2907
"""Apply option value changes.
2909
``self`` has been reloaded from the persistent storage. ``dirty``
2910
contains the changes made since the previous loading.
2912
:param dirty: the mutable section containing the changes.
2914
:param store: the store containing the section
2916
for k, expected in dirty.orig.iteritems():
2917
actual = dirty.get(k, _DeletedOption)
2918
reloaded = self.get(k, _NewlyCreatedOption)
2919
if actual is _DeletedOption:
2920
if k in self.options:
2924
# Report concurrent updates in an ad-hoc way. This should only
2925
# occurs when different processes try to update the same option
2926
# which is not supported (as in: the config framework is not meant
2927
# to be used a sharing mechanism).
2928
if expected != reloaded:
2929
if actual is _DeletedOption:
2930
actual = '<DELETED>'
2931
if reloaded is _NewlyCreatedOption:
2932
reloaded = '<CREATED>'
2933
if expected is _NewlyCreatedOption:
2934
expected = '<CREATED>'
2935
# Someone changed the value since we get it from the persistent
2937
trace.warning("Option %s in section %s of %s was changed"
2938
" from %s to %s. The %s value will be saved.",
2939
k, self.id, store.external_url(),
2940
expected, reloaded, actual)
2941
# No need to keep track of these changes
2942
self.reset_changes()
2945
class Store(object):
2946
"""Abstract interface to persistent storage for configuration options."""
2948
readonly_section_class = Section
2949
mutable_section_class = MutableSection
2952
# Which sections need to be saved
2953
self.dirty_sections = []
2955
def is_loaded(self):
2956
"""Returns True if the Store has been loaded.
2958
This is used to implement lazy loading and ensure the persistent
2959
storage is queried only when needed.
2961
raise NotImplementedError(self.is_loaded)
2964
"""Loads the Store from persistent storage."""
2965
raise NotImplementedError(self.load)
2967
def _load_from_string(self, bytes):
2968
"""Create a store from a string in configobj syntax.
2970
:param bytes: A string representing the file content.
2972
raise NotImplementedError(self._load_from_string)
2975
"""Unloads the Store.
2977
This should make is_loaded() return False. This is used when the caller
2978
knows that the persistent storage has changed or may have change since
2981
raise NotImplementedError(self.unload)
2983
def quote(self, value):
2984
"""Quote a configuration option value for storing purposes.
2986
This allows Stacks to present values as they will be stored.
2990
def unquote(self, value):
2991
"""Unquote a configuration option value into unicode.
2993
The received value is quoted as stored.
2998
"""Saves the Store to persistent storage."""
2999
raise NotImplementedError(self.save)
3001
def _need_saving(self):
3002
for s in self.dirty_sections:
3004
# At least one dirty section contains a modification
3008
def apply_changes(self, dirty_sections):
3009
"""Apply changes from dirty sections while checking for coherency.
3011
The Store content is discarded and reloaded from persistent storage to
3012
acquire up-to-date values.
3014
Dirty sections are MutableSection which kept track of the value they
3015
are expected to update.
3017
# Get an up-to-date version from the persistent storage
3019
# From now on we need a lock on the store to ensure changes can be
3020
# saved atomically (daughter classes will provide locking around
3022
# Apply the changes from the preserved dirty sections
3023
for dirty in dirty_sections:
3024
clean = self.get_mutable_section(dirty.id)
3025
clean.apply_changes(dirty, self)
3026
# Everything is clean now
3027
self.dirty_sections = []
3029
def save_changes(self):
3030
"""Saves the Store to persistent storage if changes occurred.
3032
Apply the changes recorded in the mutable sections to a store content
3033
refreshed from persistent storage.
3035
raise NotImplementedError(self.save_changes)
3037
def external_url(self):
3038
raise NotImplementedError(self.external_url)
3040
def get_sections(self):
3041
"""Returns an ordered iterable of existing sections.
3043
:returns: An iterable of (store, section).
3045
raise NotImplementedError(self.get_sections)
3047
def get_mutable_section(self, section_id=None):
3048
"""Returns the specified mutable section.
3050
:param section_id: The section identifier
3052
raise NotImplementedError(self.get_mutable_section)
3055
# Mostly for debugging use
3056
return "<config.%s(%s)>" % (self.__class__.__name__,
3057
self.external_url())
3060
class CommandLineStore(Store):
3061
"A store to carry command line overrides for the config options."""
3063
def __init__(self, opts=None):
3064
super(CommandLineStore, self).__init__()
3070
# The dict should be cleared but not replaced so it can be shared.
3071
self.options.clear()
3073
def _from_cmdline(self, overrides):
3074
# Reset before accepting new definitions
3076
for over in overrides:
3078
name, value = over.split('=', 1)
3080
raise errors.BzrCommandError(
3081
gettext("Invalid '%s', should be of the form 'name=value'")
3083
self.options[name] = value
3085
def external_url(self):
3086
# Not an url but it makes debugging easier and is never needed
3090
def get_sections(self):
3091
yield self, self.readonly_section_class('cmdline_overrides',
3095
class IniFileStore(Store):
3096
"""A config Store using ConfigObj for storage.
3098
:ivar transport: The transport object where the config file is located.
3100
:ivar file_name: The config file basename in the transport directory.
3102
:ivar _config_obj: Private member to hold the ConfigObj instance used to
3103
serialize/deserialize the config file.
3107
"""A config Store using ConfigObj for storage.
3109
super(IniFileStore, self).__init__()
3110
self._config_obj = None
3112
def is_loaded(self):
3113
return self._config_obj != None
3116
self._config_obj = None
3117
self.dirty_sections = []
3119
def _load_content(self):
3120
"""Load the config file bytes.
3122
This should be provided by subclasses
3124
:return: Byte string
3126
raise NotImplementedError(self._load_content)
3128
def _save_content(self, content):
3129
"""Save the config file bytes.
3131
This should be provided by subclasses
3133
:param content: Config file bytes to write
3135
raise NotImplementedError(self._save_content)
3138
"""Load the store from the associated file."""
3139
if self.is_loaded():
3141
content = self._load_content()
3142
self._load_from_string(content)
3143
for hook in ConfigHooks['load']:
3146
def _load_from_string(self, bytes):
3147
"""Create a config store from a string.
3149
:param bytes: A string representing the file content.
3151
if self.is_loaded():
3152
raise AssertionError('Already loaded: %r' % (self._config_obj,))
3153
co_input = StringIO(bytes)
3155
# The config files are always stored utf8-encoded
3156
self._config_obj = ConfigObj(co_input, encoding='utf-8',
3158
except configobj.ConfigObjError, e:
3159
self._config_obj = None
3160
raise errors.ParseConfigError(e.errors, self.external_url())
3161
except UnicodeDecodeError:
3162
raise errors.ConfigContentError(self.external_url())
3164
def save_changes(self):
3165
if not self.is_loaded():
3168
if not self._need_saving():
3170
# Preserve the current version
3171
current = self._config_obj
3172
dirty_sections = list(self.dirty_sections)
3173
self.apply_changes(dirty_sections)
3174
# Save to the persistent storage
3178
if not self.is_loaded():
3182
self._config_obj.write(out)
3183
self._save_content(out.getvalue())
3184
for hook in ConfigHooks['save']:
3187
def get_sections(self):
3188
"""Get the configobj section in the file order.
3190
:returns: An iterable of (store, section).
3192
# We need a loaded store
3195
except (errors.NoSuchFile, errors.PermissionDenied):
3196
# If the file can't be read, there is no sections
3198
cobj = self._config_obj
3200
yield self, self.readonly_section_class(None, cobj)
3201
for section_name in cobj.sections:
3203
self.readonly_section_class(section_name,
3204
cobj[section_name]))
3206
def get_mutable_section(self, section_id=None):
3207
# We need a loaded store
3210
except errors.NoSuchFile:
3211
# The file doesn't exist, let's pretend it was empty
3212
self._load_from_string('')
3213
if section_id is None:
3214
section = self._config_obj
3216
section = self._config_obj.setdefault(section_id, {})
3217
mutable_section = self.mutable_section_class(section_id, section)
3218
# All mutable sections can become dirty
3219
self.dirty_sections.append(mutable_section)
3220
return mutable_section
3222
def quote(self, value):
3224
# configobj conflates automagical list values and quoting
3225
self._config_obj.list_values = True
3226
return self._config_obj._quote(value)
3228
self._config_obj.list_values = False
3230
def unquote(self, value):
3232
# _unquote doesn't handle None nor empty strings
3233
value = self._config_obj._unquote(value)
3237
class TransportIniFileStore(IniFileStore):
3238
"""IniFileStore that loads files from a transport.
3241
def __init__(self, transport, file_name):
3242
"""A Store using a ini file on a Transport
3244
:param transport: The transport object where the config file is located.
3245
:param file_name: The config file basename in the transport directory.
3247
super(TransportIniFileStore, self).__init__()
3248
self.transport = transport
3249
self.file_name = file_name
3251
def _load_content(self):
3253
return self.transport.get_bytes(self.file_name)
3254
except errors.PermissionDenied:
3255
trace.warning("Permission denied while trying to load "
3256
"configuration store %s.", self.external_url())
3259
def _save_content(self, content):
3260
self.transport.put_bytes(self.file_name, content)
3262
def external_url(self):
3263
# FIXME: external_url should really accepts an optional relpath
3264
# parameter (bug #750169) :-/ -- vila 2011-04-04
3265
# The following will do in the interim but maybe we don't want to
3266
# expose a path here but rather a config ID and its associated
3267
# object </hand wawe>.
3268
return urlutils.join(self.transport.external_url(), self.file_name)
3271
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
3272
# unlockable stores for use with objects that can already ensure the locking
3273
# (think branches). If different stores (not based on ConfigObj) are created,
3274
# they may face the same issue.
3277
class LockableIniFileStore(TransportIniFileStore):
3278
"""A ConfigObjStore using locks on save to ensure store integrity."""
3280
def __init__(self, transport, file_name, lock_dir_name=None):
3281
"""A config Store using ConfigObj for storage.
3283
:param transport: The transport object where the config file is located.
3285
:param file_name: The config file basename in the transport directory.
3287
if lock_dir_name is None:
3288
lock_dir_name = 'lock'
3289
self.lock_dir_name = lock_dir_name
3290
super(LockableIniFileStore, self).__init__(transport, file_name)
3291
self._lock = lockdir.LockDir(self.transport, self.lock_dir_name)
3293
def lock_write(self, token=None):
3294
"""Takes a write lock in the directory containing the config file.
3296
If the directory doesn't exist it is created.
3298
# FIXME: This doesn't check the ownership of the created directories as
3299
# ensure_config_dir_exists does. It should if the transport is local
3300
# -- vila 2011-04-06
3301
self.transport.create_prefix()
3302
return self._lock.lock_write(token)
3307
def break_lock(self):
3308
self._lock.break_lock()
3312
# We need to be able to override the undecorated implementation
3313
self.save_without_locking()
3315
def save_without_locking(self):
3316
super(LockableIniFileStore, self).save()
3319
# FIXME: global, bazaar, shouldn't that be 'user' instead or even
3320
# 'user_defaults' as opposed to 'user_overrides', 'system_defaults'
3321
# (/etc/bzr/bazaar.conf) and 'system_overrides' ? -- vila 2011-04-05
3323
# FIXME: Moreover, we shouldn't need classes for these stores either, factory
3324
# functions or a registry will make it easier and clearer for tests, focusing
3325
# on the relevant parts of the API that needs testing -- vila 20110503 (based
3326
# on a poolie's remark)
3327
class GlobalStore(LockableIniFileStore):
3329
def __init__(self, possible_transports=None):
3330
t = transport.get_transport_from_path(
3331
config_dir(), possible_transports=possible_transports)
3332
super(GlobalStore, self).__init__(t, 'bazaar.conf')
3336
class LocationStore(LockableIniFileStore):
3338
def __init__(self, possible_transports=None):
3339
t = transport.get_transport_from_path(
3340
config_dir(), possible_transports=possible_transports)
3341
super(LocationStore, self).__init__(t, 'locations.conf')
3342
self.id = 'locations'
3345
class BranchStore(TransportIniFileStore):
3347
def __init__(self, branch):
3348
super(BranchStore, self).__init__(branch.control_transport,
3350
self.branch = branch
3353
# FIXME: This is very handy to detect which callers forgot to lock the
3354
# branch but break many bt.test_config tests. Either these tests should
3355
# parametrized differently or better ways to achieve the branch locking
3356
# should be found that don't require this.
3357
def xget_mutable_section(self, section_id=None):
3358
if self.branch.peek_lock_mode() != 'w':
3359
from bzrlib import debug ; debug.set_trace()
3360
raise AssertionError('The branch for %s is not write-locked'
3361
% self.external_url())
3362
return super(BranchStore, self).get_mutable_section(section_id)
3365
class ControlStore(LockableIniFileStore):
3367
def __init__(self, bzrdir):
3368
super(ControlStore, self).__init__(bzrdir.transport,
3370
lock_dir_name='branch_lock')
3373
class SectionMatcher(object):
3374
"""Select sections into a given Store.
3376
This is intended to be used to postpone getting an iterable of sections
3380
def __init__(self, store):
3383
def get_sections(self):
3384
# This is where we require loading the store so we can see all defined
3386
sections = self.store.get_sections()
3387
# Walk the revisions in the order provided
3388
for store, s in sections:
3392
def match(self, section):
3393
"""Does the proposed section match.
3395
:param section: A Section object.
3397
:returns: True if the section matches, False otherwise.
3399
raise NotImplementedError(self.match)
3402
class NameMatcher(SectionMatcher):
3404
def __init__(self, store, section_id):
3405
super(NameMatcher, self).__init__(store)
3406
self.section_id = section_id
3408
def match(self, section):
3409
return section.id == self.section_id
3412
class LocationSection(Section):
3414
def __init__(self, section, length, extra_path):
3415
super(LocationSection, self).__init__(section.id, section.options)
3416
self.length = length
3417
self.extra_path = extra_path
3418
self.locals = {'relpath': extra_path,
3419
'basename': urlutils.basename(extra_path)}
3421
def get(self, name, default=None, expand=True):
3422
value = super(LocationSection, self).get(name, default)
3423
if value is not None and expand:
3424
policy_name = self.get(name + ':policy', None)
3425
policy = _policy_value.get(policy_name, POLICY_NONE)
3426
if policy == POLICY_APPENDPATH:
3427
value = urlutils.join(value, self.extra_path)
3428
# expand section local options right now (since POLICY_APPENDPATH
3429
# will never add options references, it's ok to expand after it).
3431
for is_ref, chunk in iter_option_refs(value):
3433
chunks.append(chunk)
3436
if ref in self.locals:
3437
chunks.append(self.locals[ref])
3439
chunks.append(chunk)
3440
value = ''.join(chunks)
3444
class LocationMatcher(SectionMatcher):
3446
def __init__(self, store, location):
3447
super(LocationMatcher, self).__init__(store)
3448
if location.startswith('file://'):
3449
location = urlutils.local_path_from_url(location)
3450
self.location = location
3452
def _get_matching_sections(self):
3453
"""Get all sections matching ``location``."""
3454
# We slightly diverge from LocalConfig here by allowing the no-name
3455
# section as the most generic one and the lower priority.
3456
no_name_section = None
3458
# Filter out the no_name_section so _iter_for_location_by_parts can be
3459
# used (it assumes all sections have a name).
3460
for _, section in self.store.get_sections():
3461
if section.id is None:
3462
no_name_section = section
3464
all_sections.append(section)
3465
# Unfortunately _iter_for_location_by_parts deals with section names so
3466
# we have to resync.
3467
filtered_sections = _iter_for_location_by_parts(
3468
[s.id for s in all_sections], self.location)
3469
iter_all_sections = iter(all_sections)
3470
matching_sections = []
3471
if no_name_section is not None:
3472
matching_sections.append(
3473
LocationSection(no_name_section, 0, self.location))
3474
for section_id, extra_path, length in filtered_sections:
3475
# a section id is unique for a given store so it's safe to take the
3476
# first matching section while iterating. Also, all filtered
3477
# sections are part of 'all_sections' and will always be found
3480
section = iter_all_sections.next()
3481
if section_id == section.id:
3482
matching_sections.append(
3483
LocationSection(section, length, extra_path))
3485
return matching_sections
3487
def get_sections(self):
3488
# Override the default implementation as we want to change the order
3489
matching_sections = self._get_matching_sections()
3490
# We want the longest (aka more specific) locations first
3491
sections = sorted(matching_sections,
3492
key=lambda section: (section.length, section.id),
3494
# Sections mentioning 'ignore_parents' restrict the selection
3495
for section in sections:
3496
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3497
ignore = section.get('ignore_parents', None)
3498
if ignore is not None:
3499
ignore = ui.bool_from_string(ignore)
3502
# Finally, we have a valid section
3503
yield self.store, section
3506
_option_ref_re = lazy_regex.lazy_compile('({[^{}\n]+})')
3507
"""Describes an expandable option reference.
3509
We want to match the most embedded reference first.
3511
I.e. for '{{foo}}' we will get '{foo}',
3512
for '{bar{baz}}' we will get '{baz}'
3515
def iter_option_refs(string):
3516
# Split isolate refs so every other chunk is a ref
3518
for chunk in _option_ref_re.split(string):
3523
class Stack(object):
3524
"""A stack of configurations where an option can be defined"""
3526
def __init__(self, sections_def, store=None, mutable_section_id=None):
3527
"""Creates a stack of sections with an optional store for changes.
3529
:param sections_def: A list of Section or callables that returns an
3530
iterable of Section. This defines the Sections for the Stack and
3531
can be called repeatedly if needed.
3533
:param store: The optional Store where modifications will be
3534
recorded. If none is specified, no modifications can be done.
3536
:param mutable_section_id: The id of the MutableSection where changes
3537
are recorded. This requires the ``store`` parameter to be
3540
self.sections_def = sections_def
3542
self.mutable_section_id = mutable_section_id
3544
def get(self, name, expand=None):
3545
"""Return the *first* option value found in the sections.
3547
This is where we guarantee that sections coming from Store are loaded
3548
lazily: the loading is delayed until we need to either check that an
3549
option exists or get its value, which in turn may require to discover
3550
in which sections it can be defined. Both of these (section and option
3551
existence) require loading the store (even partially).
3553
:param name: The queried option.
3555
:param expand: Whether options references should be expanded.
3557
:returns: The value of the option.
3559
# FIXME: No caching of options nor sections yet -- vila 20110503
3561
expand = _get_expand_default_value()
3563
# Ensuring lazy loading is achieved by delaying section matching (which
3564
# implies querying the persistent storage) until it can't be avoided
3565
# anymore by using callables to describe (possibly empty) section
3567
found_store = None # Where the option value has been found
3568
for sections in self.sections_def:
3569
for store, section in sections():
3570
value = section.get(name)
3571
if value is not None:
3574
if value is not None:
3576
# If the option is registered, it may provide additional info about
3579
opt = option_registry.get(name)
3583
def expand_and_convert(val):
3584
# This may need to be called twice if the value is None or ends up
3585
# being None during expansion or conversion.
3588
if isinstance(val, basestring):
3589
val = self._expand_options_in_string(val)
3591
trace.warning('Cannot expand "%s":'
3592
' %s does not support option expansion'
3593
% (name, type(val)))
3595
val = found_store.unquote(val)
3597
val = opt.convert_from_unicode(found_store, val)
3599
value = expand_and_convert(value)
3600
if opt is not None and value is None:
3601
# If the option is registered, it may provide a default value
3602
value = opt.get_default()
3603
value = expand_and_convert(value)
3604
for hook in ConfigHooks['get']:
3605
hook(self, name, value)
3608
def expand_options(self, string, env=None):
3609
"""Expand option references in the string in the configuration context.
3611
:param string: The string containing option(s) to expand.
3613
:param env: An option dict defining additional configuration options or
3614
overriding existing ones.
3616
:returns: The expanded string.
3618
return self._expand_options_in_string(string, env)
3620
def _expand_options_in_string(self, string, env=None, _refs=None):
3621
"""Expand options in the string in the configuration context.
3623
:param string: The string to be expanded.
3625
:param env: An option dict defining additional configuration options or
3626
overriding existing ones.
3628
:param _refs: Private list (FIFO) containing the options being expanded
3631
:returns: The expanded string.
3634
# Not much to expand there
3637
# What references are currently resolved (to detect loops)
3640
# We need to iterate until no more refs appear ({{foo}} will need two
3641
# iterations for example).
3646
for is_ref, chunk in iter_option_refs(result):
3648
chunks.append(chunk)
3653
raise errors.OptionExpansionLoop(string, _refs)
3655
value = self._expand_option(name, env, _refs)
3657
raise errors.ExpandingUnknownOption(name, string)
3658
chunks.append(value)
3660
result = ''.join(chunks)
3663
def _expand_option(self, name, env, _refs):
3664
if env is not None and name in env:
3665
# Special case, values provided in env takes precedence over
3669
value = self.get(name, expand=False)
3670
value = self._expand_options_in_string(value, env, _refs)
3673
def _get_mutable_section(self):
3674
"""Get the MutableSection for the Stack.
3676
This is where we guarantee that the mutable section is lazily loaded:
3677
this means we won't load the corresponding store before setting a value
3678
or deleting an option. In practice the store will often be loaded but
3679
this helps catching some programming errors.
3682
section = store.get_mutable_section(self.mutable_section_id)
3683
return store, section
3685
def set(self, name, value):
3686
"""Set a new value for the option."""
3687
store, section = self._get_mutable_section()
3688
section.set(name, store.quote(value))
3689
for hook in ConfigHooks['set']:
3690
hook(self, name, value)
3692
def remove(self, name):
3693
"""Remove an existing option."""
3694
_, section = self._get_mutable_section()
3695
section.remove(name)
3696
for hook in ConfigHooks['remove']:
3700
# Mostly for debugging use
3701
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3703
def _get_overrides(self):
3704
# Hack around library_state.initialize never called
3705
if bzrlib.global_state is not None:
3706
return bzrlib.global_state.cmdline_overrides.get_sections()
3710
class MemoryStack(Stack):
3711
"""A configuration stack defined from a string.
3713
This is mainly intended for tests and requires no disk resources.
3716
def __init__(self, content=None):
3717
"""Create an in-memory stack from a given content.
3719
It uses a single store based on configobj and support reading and
3722
:param content: The initial content of the store. If None, the store is
3723
not loaded and ``_load_from_string`` can and should be used if
3726
store = IniFileStore()
3727
if content is not None:
3728
store._load_from_string(content)
3729
super(MemoryStack, self).__init__(
3730
[store.get_sections], store)
3733
class _CompatibleStack(Stack):
3734
"""Place holder for compatibility with previous design.
3736
This is intended to ease the transition from the Config-based design to the
3737
Stack-based design and should not be used nor relied upon by plugins.
3739
One assumption made here is that the daughter classes will all use Stores
3740
derived from LockableIniFileStore).
3742
It implements set() and remove () by re-loading the store before applying
3743
the modification and saving it.
3745
The long term plan being to implement a single write by store to save
3746
all modifications, this class should not be used in the interim.
3749
def set(self, name, value):
3752
super(_CompatibleStack, self).set(name, value)
3753
# Force a write to persistent storage
3756
def remove(self, name):
3759
super(_CompatibleStack, self).remove(name)
3760
# Force a write to persistent storage
3764
class GlobalStack(_CompatibleStack):
3765
"""Global options only stack.
3767
The following sections are queried:
3769
* command-line overrides,
3771
* the 'DEFAULT' section in bazaar.conf
3773
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3778
gstore = GlobalStore()
3779
super(GlobalStack, self).__init__(
3780
[self._get_overrides,
3781
NameMatcher(gstore, 'DEFAULT').get_sections],
3782
gstore, mutable_section_id='DEFAULT')
3785
class LocationStack(_CompatibleStack):
3786
"""Per-location options falling back to global options stack.
3789
The following sections are queried:
3791
* command-line overrides,
3793
* the sections matching ``location`` in ``locations.conf``, the order being
3794
defined by the number of path components in the section glob, higher
3795
numbers first (from most specific section to most generic).
3797
* the 'DEFAULT' section in bazaar.conf
3799
This stack will use the ``location`` section in locations.conf as its
3803
def __init__(self, location):
3804
"""Make a new stack for a location and global configuration.
3806
:param location: A URL prefix to """
3807
lstore = LocationStore()
3808
if location.startswith('file://'):
3809
location = urlutils.local_path_from_url(location)
3810
gstore = GlobalStore()
3811
super(LocationStack, self).__init__(
3812
[self._get_overrides,
3813
LocationMatcher(lstore, location).get_sections,
3814
NameMatcher(gstore, 'DEFAULT').get_sections],
3815
lstore, mutable_section_id=location)
3818
class BranchStack(Stack):
3819
"""Per-location options falling back to branch then global options stack.
3821
The following sections are queried:
3823
* command-line overrides,
3825
* the sections matching ``location`` in ``locations.conf``, the order being
3826
defined by the number of path components in the section glob, higher
3827
numbers first (from most specific section to most generic),
3829
* the no-name section in branch.conf,
3831
* the ``DEFAULT`` section in ``bazaar.conf``.
3833
This stack will use the no-name section in ``branch.conf`` as its
3837
def __init__(self, branch):
3838
lstore = LocationStore()
3839
bstore = branch._get_config_store()
3840
gstore = GlobalStore()
3841
super(BranchStack, self).__init__(
3842
[self._get_overrides,
3843
LocationMatcher(lstore, branch.base).get_sections,
3844
NameMatcher(bstore, None).get_sections,
3845
NameMatcher(gstore, 'DEFAULT').get_sections],
3847
self.branch = branch
3850
class RemoteControlStack(_CompatibleStack):
3851
"""Remote control-only options stack."""
3853
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
3854
# with the stack used for remote bzr dirs. RemoteControlStack only uses
3855
# control.conf and is used only for stack options.
3857
def __init__(self, bzrdir):
3858
cstore = bzrdir._get_config_store()
3859
super(RemoteControlStack, self).__init__(
3860
[NameMatcher(cstore, None).get_sections],
3862
self.bzrdir = bzrdir
3865
class BranchOnlyStack(Stack):
3866
"""Branch-only options stack."""
3868
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
3869
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
3870
# -- vila 2011-12-16
3872
def __init__(self, branch):
3873
bstore = branch._get_config_store()
3874
super(BranchOnlyStack, self).__init__(
3875
[NameMatcher(bstore, None).get_sections],
3877
self.branch = branch
3880
# Use a an empty dict to initialize an empty configobj avoiding all
3881
# parsing and encoding checks
3882
_quoting_config = configobj.ConfigObj(
3883
{}, encoding='utf-8', interpolation=False, list_values=True)
3885
class cmd_config(commands.Command):
3886
__doc__ = """Display, set or remove a configuration option.
3888
Display the active value for a given option.
3890
If --all is specified, NAME is interpreted as a regular expression and all
3891
matching options are displayed mentioning their scope. The active value
3892
that bzr will take into account is the first one displayed for each option.
3894
If no NAME is given, --all .* is implied.
3896
Setting a value is achieved by using name=value without spaces. The value
3897
is set in the most relevant scope and can be checked by displaying the
3901
takes_args = ['name?']
3905
# FIXME: This should be a registry option so that plugins can register
3906
# their own config files (or not) and will also address
3907
# http://pad.lv/788991 -- vila 20101115
3908
commands.Option('scope', help='Reduce the scope to the specified'
3909
' configuration file.',
3911
commands.Option('all',
3912
help='Display all the defined values for the matching options.',
3914
commands.Option('remove', help='Remove the option from'
3915
' the configuration file.'),
3918
_see_also = ['configuration']
3920
@commands.display_command
3921
def run(self, name=None, all=False, directory=None, scope=None,
3923
if directory is None:
3925
directory = urlutils.normalize_url(directory)
3927
raise errors.BzrError(
3928
'--all and --remove are mutually exclusive.')
3930
# Delete the option in the given scope
3931
self._remove_config_option(name, directory, scope)
3933
# Defaults to all options
3934
self._show_matching_options('.*', directory, scope)
3937
name, value = name.split('=', 1)
3939
# Display the option(s) value(s)
3941
self._show_matching_options(name, directory, scope)
3943
self._show_value(name, directory, scope)
3946
raise errors.BzrError(
3947
'Only one option can be set.')
3948
# Set the option value
3949
self._set_config_option(name, value, directory, scope)
3951
def _get_stack(self, directory, scope=None, write_access=False):
3952
"""Get the configuration stack specified by ``directory`` and ``scope``.
3954
:param directory: Where the configurations are derived from.
3956
:param scope: A specific config to start from.
3958
:param write_access: Whether a write access to the stack will be
3961
# FIXME: scope should allow access to plugin-specific stacks (even
3962
# reduced to the plugin-specific store), related to
3963
# http://pad.lv/788991 -- vila 2011-11-15
3964
if scope is not None:
3965
if scope == 'bazaar':
3966
return GlobalStack()
3967
elif scope == 'locations':
3968
return LocationStack(directory)
3969
elif scope == 'branch':
3971
controldir.ControlDir.open_containing_tree_or_branch(
3974
self.add_cleanup(br.lock_write().unlock)
3975
return br.get_config_stack()
3976
raise errors.NoSuchConfig(scope)
3980
controldir.ControlDir.open_containing_tree_or_branch(
3983
self.add_cleanup(br.lock_write().unlock)
3984
return br.get_config_stack()
3985
except errors.NotBranchError:
3986
return LocationStack(directory)
3988
def _show_value(self, name, directory, scope):
3989
conf = self._get_stack(directory, scope)
3990
value = conf.get(name, expand=True)
3991
if value is not None:
3992
# Quote the value appropriately
3993
value = _quoting_config._quote(value)
3994
self.outf.write('%s\n' % (value,))
3996
raise errors.NoSuchConfigOption(name)
3998
def _show_matching_options(self, name, directory, scope):
3999
name = lazy_regex.lazy_compile(name)
4000
# We want any error in the regexp to be raised *now* so we need to
4001
# avoid the delay introduced by the lazy regexp. But, we still do
4002
# want the nicer errors raised by lazy_regex.
4003
name._compile_and_collapse()
4006
conf = self._get_stack(directory, scope)
4007
for sections in conf.sections_def:
4008
for store, section in sections():
4009
for oname in section.iter_option_names():
4010
if name.search(oname):
4011
if cur_store_id != store.id:
4012
# Explain where the options are defined
4013
self.outf.write('%s:\n' % (store.id,))
4014
cur_store_id = store.id
4016
if (section.id is not None
4017
and cur_section != section.id):
4018
# Display the section id as it appears in the store
4019
# (None doesn't appear by definition)
4020
self.outf.write(' [%s]\n' % (section.id,))
4021
cur_section = section.id
4022
value = section.get(oname, expand=False)
4023
# Since we don't use the stack, we need to restore a
4026
opt = option_registry.get(oname)
4027
value = opt.convert_from_unicode(store, value)
4029
value = store.unquote(value)
4030
value = _quoting_config._quote(value)
4031
self.outf.write(' %s = %s\n' % (oname, value))
4033
def _set_config_option(self, name, value, directory, scope):
4034
conf = self._get_stack(directory, scope, write_access=True)
4035
conf.set(name, value)
4037
def _remove_config_option(self, name, directory, scope):
4039
raise errors.BzrCommandError(
4040
'--remove expects an option to remove.')
4041
conf = self._get_stack(directory, scope, write_access=True)
4045
raise errors.NoSuchConfigOption(name)
4050
# We need adapters that can build a Store or a Stack in a test context. Test
4051
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4052
# themselves. The builder will receive a test instance and should return a
4053
# ready-to-use store or stack. Plugins that define new store/stacks can also
4054
# register themselves here to be tested against the tests defined in
4055
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4056
# for the same test.
4058
# The registered object should be a callable receiving a test instance
4059
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4061
test_store_builder_registry = registry.Registry()
4063
# The registered object should be a callable receiving a test instance
4064
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4066
test_stack_builder_registry = registry.Registry()