1508
2269
configobj[name] = value
1510
2271
configobj.setdefault(section, {})[name] = value
2272
for hook in OldConfigHooks['set']:
2273
hook(self, name, value)
2274
self._set_configobj(configobj)
2276
def remove_option(self, option_name, section_name=None):
2277
configobj = self._get_configobj()
2278
if section_name is None:
2279
del configobj[option_name]
2281
del configobj[section_name][option_name]
2282
for hook in OldConfigHooks['remove']:
2283
hook(self, option_name)
1511
2284
self._set_configobj(configobj)
1513
2286
def _get_config_file(self):
1515
return StringIO(self._transport.get_bytes(self._filename))
2288
f = StringIO(self._transport.get_bytes(self._filename))
2289
for hook in OldConfigHooks['load']:
1516
2292
except errors.NoSuchFile:
1517
2293
return StringIO()
2294
except errors.PermissionDenied, e:
2295
trace.warning("Permission denied while trying to open "
2296
"configuration file %s.", urlutils.unescape_for_display(
2297
urlutils.join(self._transport.base, self._filename), "utf-8"))
2300
def _external_url(self):
2301
return urlutils.join(self._transport.external_url(), self._filename)
1519
2303
def _get_configobj(self):
1520
return ConfigObj(self._get_config_file(), encoding='utf-8')
2304
f = self._get_config_file()
2307
conf = ConfigObj(f, encoding='utf-8')
2308
except configobj.ConfigObjError, e:
2309
raise errors.ParseConfigError(e.errors, self._external_url())
2310
except UnicodeDecodeError:
2311
raise errors.ConfigContentError(self._external_url())
1522
2316
def _set_configobj(self, configobj):
1523
2317
out_file = StringIO()
1524
2318
configobj.write(out_file)
1525
2319
out_file.seek(0)
1526
2320
self._transport.put_file(self._filename, out_file)
2321
for hook in OldConfigHooks['save']:
2325
class Option(object):
2326
"""An option definition.
2328
The option *values* are stored in config files and found in sections.
2330
Here we define various properties about the option itself, its default
2331
value, how to convert it from stores, what to do when invalid values are
2332
encoutered, in which config files it can be stored.
2335
def __init__(self, name, override_from_env=None,
2336
default=None, default_from_env=None,
2337
help=None, from_unicode=None, invalid=None, unquote=True):
2338
"""Build an option definition.
2340
:param name: the name used to refer to the option.
2342
:param override_from_env: A list of environment variables which can
2343
provide override any configuration setting.
2345
:param default: the default value to use when none exist in the config
2346
stores. This is either a string that ``from_unicode`` will convert
2347
into the proper type, a callable returning a unicode string so that
2348
``from_unicode`` can be used on the return value, or a python
2349
object that can be stringified (so only the empty list is supported
2352
:param default_from_env: A list of environment variables which can
2353
provide a default value. 'default' will be used only if none of the
2354
variables specified here are set in the environment.
2356
:param help: a doc string to explain the option to the user.
2358
:param from_unicode: a callable to convert the unicode string
2359
representing the option value in a store. This is not called for
2362
:param invalid: the action to be taken when an invalid value is
2363
encountered in a store. This is called only when from_unicode is
2364
invoked to convert a string and returns None or raise ValueError or
2365
TypeError. Accepted values are: None (ignore invalid values),
2366
'warning' (emit a warning), 'error' (emit an error message and
2369
:param unquote: should the unicode value be unquoted before conversion.
2370
This should be used only when the store providing the values cannot
2371
safely unquote them (see http://pad.lv/906897). It is provided so
2372
daughter classes can handle the quoting themselves.
2374
if override_from_env is None:
2375
override_from_env = []
2376
if default_from_env is None:
2377
default_from_env = []
2379
self.override_from_env = override_from_env
2380
# Convert the default value to a unicode string so all values are
2381
# strings internally before conversion (via from_unicode) is attempted.
2384
elif isinstance(default, list):
2385
# Only the empty list is supported
2387
raise AssertionError(
2388
'Only empty lists are supported as default values')
2390
elif isinstance(default, (str, unicode, bool, int, float)):
2391
# Rely on python to convert strings, booleans and integers
2392
self.default = u'%s' % (default,)
2393
elif callable(default):
2394
self.default = default
2396
# other python objects are not expected
2397
raise AssertionError('%r is not supported as a default value'
2399
self.default_from_env = default_from_env
2401
self.from_unicode = from_unicode
2402
self.unquote = unquote
2403
if invalid and invalid not in ('warning', 'error'):
2404
raise AssertionError("%s not supported for 'invalid'" % (invalid,))
2405
self.invalid = invalid
2407
def convert_from_unicode(self, store, unicode_value):
2408
if self.unquote and store is not None and unicode_value is not None:
2409
unicode_value = store.unquote(unicode_value)
2410
if self.from_unicode is None or unicode_value is None:
2411
# Don't convert or nothing to convert
2412
return unicode_value
2414
converted = self.from_unicode(unicode_value)
2415
except (ValueError, TypeError):
2416
# Invalid values are ignored
2418
if converted is None and self.invalid is not None:
2419
# The conversion failed
2420
if self.invalid == 'warning':
2421
trace.warning('Value "%s" is not valid for "%s"',
2422
unicode_value, self.name)
2423
elif self.invalid == 'error':
2424
raise errors.ConfigOptionValueError(self.name, unicode_value)
2427
def get_override(self):
2429
for var in self.override_from_env:
2431
# If the env variable is defined, its value takes precedence
2432
value = os.environ[var].decode(osutils.get_user_encoding())
2438
def get_default(self):
2440
for var in self.default_from_env:
2442
# If the env variable is defined, its value is the default one
2443
value = os.environ[var].decode(osutils.get_user_encoding())
2448
# Otherwise, fallback to the value defined at registration
2449
if callable(self.default):
2450
value = self.default()
2451
if not isinstance(value, unicode):
2452
raise AssertionError(
2453
'Callable default values should be unicode')
2455
value = self.default
2458
def get_help_text(self, additional_see_also=None, plain=True):
2460
from bzrlib import help_topics
2461
result += help_topics._format_see_also(additional_see_also)
2463
result = help_topics.help_as_plain_text(result)
2467
# Predefined converters to get proper values from store
2469
def bool_from_store(unicode_str):
2470
return ui.bool_from_string(unicode_str)
2473
def int_from_store(unicode_str):
2474
return int(unicode_str)
2477
_unit_suffixes = dict(K=10**3, M=10**6, G=10**9)
2479
def int_SI_from_store(unicode_str):
2480
"""Convert a human readable size in SI units, e.g 10MB into an integer.
2482
Accepted suffixes are K,M,G. It is case-insensitive and may be followed
2483
by a trailing b (i.e. Kb, MB). This is intended to be practical and not
2486
:return Integer, expanded to its base-10 value if a proper SI unit is
2487
found, None otherwise.
2489
regexp = "^(\d+)(([" + ''.join(_unit_suffixes) + "])b?)?$"
2490
p = re.compile(regexp, re.IGNORECASE)
2491
m = p.match(unicode_str)
2494
val, _, unit = m.groups()
2498
coeff = _unit_suffixes[unit.upper()]
2500
raise ValueError(gettext('{0} is not an SI unit.').format(unit))
2505
def float_from_store(unicode_str):
2506
return float(unicode_str)
2509
# Use a an empty dict to initialize an empty configobj avoiding all
2510
# parsing and encoding checks
2511
_list_converter_config = configobj.ConfigObj(
2512
{}, encoding='utf-8', list_values=True, interpolation=False)
2515
class ListOption(Option):
2517
def __init__(self, name, default=None, default_from_env=None,
2518
help=None, invalid=None):
2519
"""A list Option definition.
2521
This overrides the base class so the conversion from a unicode string
2522
can take quoting into account.
2524
super(ListOption, self).__init__(
2525
name, default=default, default_from_env=default_from_env,
2526
from_unicode=self.from_unicode, help=help,
2527
invalid=invalid, unquote=False)
2529
def from_unicode(self, unicode_str):
2530
if not isinstance(unicode_str, basestring):
2532
# Now inject our string directly as unicode. All callers got their
2533
# value from configobj, so values that need to be quoted are already
2535
_list_converter_config.reset()
2536
_list_converter_config._parse([u"list=%s" % (unicode_str,)])
2537
maybe_list = _list_converter_config['list']
2538
if isinstance(maybe_list, basestring):
2540
# A single value, most probably the user forgot (or didn't care
2541
# to add) the final ','
2544
# The empty string, convert to empty list
2547
# We rely on ConfigObj providing us with a list already
2552
class OptionRegistry(registry.Registry):
2553
"""Register config options by their name.
2555
This overrides ``registry.Registry`` to simplify registration by acquiring
2556
some information from the option object itself.
2559
def register(self, option):
2560
"""Register a new option to its name.
2562
:param option: The option to register. Its name is used as the key.
2564
super(OptionRegistry, self).register(option.name, option,
2567
def register_lazy(self, key, module_name, member_name):
2568
"""Register a new option to be loaded on request.
2570
:param key: the key to request the option later. Since the registration
2571
is lazy, it should be provided and match the option name.
2573
:param module_name: the python path to the module. Such as 'os.path'.
2575
:param member_name: the member of the module to return. If empty or
2576
None, get() will return the module itself.
2578
super(OptionRegistry, self).register_lazy(key,
2579
module_name, member_name)
2581
def get_help(self, key=None):
2582
"""Get the help text associated with the given key"""
2583
option = self.get(key)
2584
the_help = option.help
2585
if callable(the_help):
2586
return the_help(self, key)
2590
option_registry = OptionRegistry()
2593
# Registered options in lexicographical order
2595
option_registry.register(
2596
Option('append_revisions_only',
2597
default=None, from_unicode=bool_from_store, invalid='warning',
2599
Whether to only append revisions to the mainline.
2601
If this is set to true, then it is not possible to change the
2602
existing mainline of the branch.
2604
option_registry.register(
2605
ListOption('acceptable_keys',
2608
List of GPG key patterns which are acceptable for verification.
2610
option_registry.register(
2611
Option('add.maximum_file_size',
2612
default=u'20MB', from_unicode=int_SI_from_store,
2614
Size above which files should be added manually.
2616
Files below this size are added automatically when using ``bzr add`` without
2619
A negative value means disable the size check.
2621
option_registry.register(
2623
default=None, from_unicode=bool_from_store,
2625
Is the branch bound to ``bound_location``.
2627
If set to "True", the branch should act as a checkout, and push each commit to
2628
the bound_location. This option is normally set by ``bind``/``unbind``.
2630
See also: bound_location.
2632
option_registry.register(
2633
Option('bound_location',
2636
The location that commits should go to when acting as a checkout.
2638
This option is normally set by ``bind``.
2642
option_registry.register(
2643
Option('branch.fetch_tags', default=False, from_unicode=bool_from_store,
2645
Whether revisions associated with tags should be fetched.
2647
option_registry.register(
2648
Option('bzr.workingtree.worth_saving_limit', default=10,
2649
from_unicode=int_from_store, invalid='warning',
2651
How many changes before saving the dirstate.
2653
-1 means that we will never rewrite the dirstate file for only
2654
stat-cache changes. Regardless of this setting, we will always rewrite
2655
the dirstate file if a file is added/removed/renamed/etc. This flag only
2656
affects the behavior of updating the dirstate file after we notice that
2657
a file has been touched.
2659
option_registry.register(
2660
Option('check_signatures', default=CHECK_IF_POSSIBLE,
2661
from_unicode=signature_policy_from_unicode,
2663
GPG checking policy.
2665
Possible values: require, ignore, check-available (default)
2667
this option will control whether bzr will require good gpg
2668
signatures, ignore them, or check them if they are
2671
option_registry.register(
2672
Option('child_submit_format',
2673
help='''The preferred format of submissions to this branch.'''))
2674
option_registry.register(
2675
Option('child_submit_to',
2676
help='''Where submissions to this branch are mailed to.'''))
2677
option_registry.register(
2678
Option('create_signatures', default=SIGN_WHEN_REQUIRED,
2679
from_unicode=signing_policy_from_unicode,
2683
Possible values: always, never, when-required (default)
2685
This option controls whether bzr will always create
2686
gpg signatures or not on commits.
2688
option_registry.register(
2689
Option('dirstate.fdatasync', default=True,
2690
from_unicode=bool_from_store,
2692
Flush dirstate changes onto physical disk?
2694
If true (default), working tree metadata changes are flushed through the
2695
OS buffers to physical disk. This is somewhat slower, but means data
2696
should not be lost if the machine crashes. See also repository.fdatasync.
2698
option_registry.register(
2699
ListOption('debug_flags', default=[],
2700
help='Debug flags to activate.'))
2701
option_registry.register(
2702
Option('default_format', default='2a',
2703
help='Format used when creating branches.'))
2704
option_registry.register(
2705
Option('dpush_strict', default=None,
2706
from_unicode=bool_from_store,
2708
The default value for ``dpush --strict``.
2710
If present, defines the ``--strict`` option default value for checking
2711
uncommitted changes before pushing into a different VCS without any
2712
custom bzr metadata.
2714
option_registry.register(
2716
help='The command called to launch an editor to enter a message.'))
2717
option_registry.register(
2718
Option('email', override_from_env=['BZR_EMAIL'], default=default_email,
2719
help='The users identity'))
2720
option_registry.register(
2721
Option('gpg_signing_command',
2724
Program to use use for creating signatures.
2726
This should support at least the -u and --clearsign options.
2728
option_registry.register(
2729
Option('gpg_signing_key',
2732
GPG key to use for signing.
2734
This defaults to the first key associated with the users email.
2736
option_registry.register(
2737
Option('ignore_missing_extensions', default=False,
2738
from_unicode=bool_from_store,
2740
Control the missing extensions warning display.
2742
The warning will not be emitted if set to True.
2744
option_registry.register(
2746
help='Language to translate messages into.'))
2747
option_registry.register(
2748
Option('locks.steal_dead', default=False, from_unicode=bool_from_store,
2750
Steal locks that appears to be dead.
2752
If set to True, bzr will check if a lock is supposed to be held by an
2753
active process from the same user on the same machine. If the user and
2754
machine match, but no process with the given PID is active, then bzr
2755
will automatically break the stale lock, and create a new lock for
2757
Otherwise, bzr will prompt as normal to break the lock.
2759
option_registry.register(
2760
Option('log_format', default='long',
2762
Log format to use when displaying revisions.
2764
Standard log formats are ``long``, ``short`` and ``line``. Additional formats
2765
may be provided by plugins.
2767
option_registry.register(
2768
Option('output_encoding',
2769
help= 'Unicode encoding for output'
2770
' (terminal encoding if not specified).'))
2771
option_registry.register(
2772
Option('parent_location',
2775
The location of the default branch for pull or merge.
2777
This option is normally set when creating a branch, the first ``pull`` or by
2778
``pull --remember``.
2780
option_registry.register(
2781
Option('post_commit', default=None,
2783
Post commit functions.
2785
An ordered list of python functions to call, separated by spaces.
2787
Each function takes branch, rev_id as parameters.
2789
option_registry.register(
2790
Option('public_branch',
2793
A publically-accessible version of this branch.
2795
This implies that the branch setting this option is not publically-accessible.
2796
Used and set by ``bzr send``.
2798
option_registry.register(
2799
Option('push_location',
2802
The location of the default branch for push.
2804
This option is normally set by the first ``push`` or ``push --remember``.
2806
option_registry.register(
2807
Option('push_strict', default=None,
2808
from_unicode=bool_from_store,
2810
The default value for ``push --strict``.
2812
If present, defines the ``--strict`` option default value for checking
2813
uncommitted changes before sending a merge directive.
2815
option_registry.register(
2816
Option('repository.fdatasync', default=True,
2817
from_unicode=bool_from_store,
2819
Flush repository changes onto physical disk?
2821
If true (default), repository changes are flushed through the OS buffers
2822
to physical disk. This is somewhat slower, but means data should not be
2823
lost if the machine crashes. See also dirstate.fdatasync.
2825
option_registry.register_lazy('smtp_server',
2826
'bzrlib.smtp_connection', 'smtp_server')
2827
option_registry.register_lazy('smtp_password',
2828
'bzrlib.smtp_connection', 'smtp_password')
2829
option_registry.register_lazy('smtp_username',
2830
'bzrlib.smtp_connection', 'smtp_username')
2831
option_registry.register(
2832
Option('selftest.timeout',
2834
from_unicode=int_from_store,
2835
help='Abort selftest if one test takes longer than this many seconds',
2838
option_registry.register(
2839
Option('send_strict', default=None,
2840
from_unicode=bool_from_store,
2842
The default value for ``send --strict``.
2844
If present, defines the ``--strict`` option default value for checking
2845
uncommitted changes before sending a bundle.
2848
option_registry.register(
2849
Option('serve.client_timeout',
2850
default=300.0, from_unicode=float_from_store,
2851
help="If we wait for a new request from a client for more than"
2852
" X seconds, consider the client idle, and hangup."))
2853
option_registry.register(
2854
Option('stacked_on_location',
2856
help="""The location where this branch is stacked on."""))
2857
option_registry.register(
2858
Option('submit_branch',
2861
The branch you intend to submit your current work to.
2863
This is automatically set by ``bzr send`` and ``bzr merge``, and is also used
2864
by the ``submit:`` revision spec.
2866
option_registry.register(
2868
help='''Where submissions from this branch are mailed to.'''))
2871
class Section(object):
2872
"""A section defines a dict of option name => value.
2874
This is merely a read-only dict which can add some knowledge about the
2875
options. It is *not* a python dict object though and doesn't try to mimic
2879
def __init__(self, section_id, options):
2880
self.id = section_id
2881
# We re-use the dict-like object received
2882
self.options = options
2884
def get(self, name, default=None, expand=True):
2885
return self.options.get(name, default)
2887
def iter_option_names(self):
2888
for k in self.options.iterkeys():
2892
# Mostly for debugging use
2893
return "<config.%s id=%s>" % (self.__class__.__name__, self.id)
2896
_NewlyCreatedOption = object()
2897
"""Was the option created during the MutableSection lifetime"""
2898
_DeletedOption = object()
2899
"""Was the option deleted during the MutableSection lifetime"""
2902
class MutableSection(Section):
2903
"""A section allowing changes and keeping track of the original values."""
2905
def __init__(self, section_id, options):
2906
super(MutableSection, self).__init__(section_id, options)
2907
self.reset_changes()
2909
def set(self, name, value):
2910
if name not in self.options:
2911
# This is a new option
2912
self.orig[name] = _NewlyCreatedOption
2913
elif name not in self.orig:
2914
self.orig[name] = self.get(name, None)
2915
self.options[name] = value
2917
def remove(self, name):
2918
if name not in self.orig:
2919
self.orig[name] = self.get(name, None)
2920
del self.options[name]
2922
def reset_changes(self):
2925
def apply_changes(self, dirty, store):
2926
"""Apply option value changes.
2928
``self`` has been reloaded from the persistent storage. ``dirty``
2929
contains the changes made since the previous loading.
2931
:param dirty: the mutable section containing the changes.
2933
:param store: the store containing the section
2935
for k, expected in dirty.orig.iteritems():
2936
actual = dirty.get(k, _DeletedOption)
2937
reloaded = self.get(k, _NewlyCreatedOption)
2938
if actual is _DeletedOption:
2939
if k in self.options:
2943
# Report concurrent updates in an ad-hoc way. This should only
2944
# occurs when different processes try to update the same option
2945
# which is not supported (as in: the config framework is not meant
2946
# to be used a sharing mechanism).
2947
if expected != reloaded:
2948
if actual is _DeletedOption:
2949
actual = '<DELETED>'
2950
if reloaded is _NewlyCreatedOption:
2951
reloaded = '<CREATED>'
2952
if expected is _NewlyCreatedOption:
2953
expected = '<CREATED>'
2954
# Someone changed the value since we get it from the persistent
2956
trace.warning(gettext(
2957
"Option {0} in section {1} of {2} was changed"
2958
" from {3} to {4}. The {5} value will be saved.".format(
2959
k, self.id, store.external_url(), expected,
2961
# No need to keep track of these changes
2962
self.reset_changes()
2965
class Store(object):
2966
"""Abstract interface to persistent storage for configuration options."""
2968
readonly_section_class = Section
2969
mutable_section_class = MutableSection
2972
# Which sections need to be saved
2973
self.dirty_sections = []
2975
def is_loaded(self):
2976
"""Returns True if the Store has been loaded.
2978
This is used to implement lazy loading and ensure the persistent
2979
storage is queried only when needed.
2981
raise NotImplementedError(self.is_loaded)
2984
"""Loads the Store from persistent storage."""
2985
raise NotImplementedError(self.load)
2987
def _load_from_string(self, bytes):
2988
"""Create a store from a string in configobj syntax.
2990
:param bytes: A string representing the file content.
2992
raise NotImplementedError(self._load_from_string)
2995
"""Unloads the Store.
2997
This should make is_loaded() return False. This is used when the caller
2998
knows that the persistent storage has changed or may have change since
3001
raise NotImplementedError(self.unload)
3003
def quote(self, value):
3004
"""Quote a configuration option value for storing purposes.
3006
This allows Stacks to present values as they will be stored.
3010
def unquote(self, value):
3011
"""Unquote a configuration option value into unicode.
3013
The received value is quoted as stored.
3018
"""Saves the Store to persistent storage."""
3019
raise NotImplementedError(self.save)
3021
def _need_saving(self):
3022
for s in self.dirty_sections:
3024
# At least one dirty section contains a modification
3028
def apply_changes(self, dirty_sections):
3029
"""Apply changes from dirty sections while checking for coherency.
3031
The Store content is discarded and reloaded from persistent storage to
3032
acquire up-to-date values.
3034
Dirty sections are MutableSection which kept track of the value they
3035
are expected to update.
3037
# We need an up-to-date version from the persistent storage, unload the
3038
# store. The reload will occur when needed (triggered by the first
3039
# get_mutable_section() call below.
3041
# Apply the changes from the preserved dirty sections
3042
for dirty in dirty_sections:
3043
clean = self.get_mutable_section(dirty.id)
3044
clean.apply_changes(dirty, self)
3045
# Everything is clean now
3046
self.dirty_sections = []
3048
def save_changes(self):
3049
"""Saves the Store to persistent storage if changes occurred.
3051
Apply the changes recorded in the mutable sections to a store content
3052
refreshed from persistent storage.
3054
raise NotImplementedError(self.save_changes)
3056
def external_url(self):
3057
raise NotImplementedError(self.external_url)
3059
def get_sections(self):
3060
"""Returns an ordered iterable of existing sections.
3062
:returns: An iterable of (store, section).
3064
raise NotImplementedError(self.get_sections)
3066
def get_mutable_section(self, section_id=None):
3067
"""Returns the specified mutable section.
3069
:param section_id: The section identifier
3071
raise NotImplementedError(self.get_mutable_section)
3074
# Mostly for debugging use
3075
return "<config.%s(%s)>" % (self.__class__.__name__,
3076
self.external_url())
3079
class CommandLineStore(Store):
3080
"A store to carry command line overrides for the config options."""
3082
def __init__(self, opts=None):
3083
super(CommandLineStore, self).__init__()
3090
# The dict should be cleared but not replaced so it can be shared.
3091
self.options.clear()
3093
def _from_cmdline(self, overrides):
3094
# Reset before accepting new definitions
3096
for over in overrides:
3098
name, value = over.split('=', 1)
3100
raise errors.BzrCommandError(
3101
gettext("Invalid '%s', should be of the form 'name=value'")
3103
self.options[name] = value
3105
def external_url(self):
3106
# Not an url but it makes debugging easier and is never needed
3110
def get_sections(self):
3111
yield self, self.readonly_section_class(None, self.options)
3114
class IniFileStore(Store):
3115
"""A config Store using ConfigObj for storage.
3117
:ivar _config_obj: Private member to hold the ConfigObj instance used to
3118
serialize/deserialize the config file.
3122
"""A config Store using ConfigObj for storage.
3124
super(IniFileStore, self).__init__()
3125
self._config_obj = None
3127
def is_loaded(self):
3128
return self._config_obj != None
3131
self._config_obj = None
3132
self.dirty_sections = []
3134
def _load_content(self):
3135
"""Load the config file bytes.
3137
This should be provided by subclasses
3139
:return: Byte string
3141
raise NotImplementedError(self._load_content)
3143
def _save_content(self, content):
3144
"""Save the config file bytes.
3146
This should be provided by subclasses
3148
:param content: Config file bytes to write
3150
raise NotImplementedError(self._save_content)
3153
"""Load the store from the associated file."""
3154
if self.is_loaded():
3156
content = self._load_content()
3157
self._load_from_string(content)
3158
for hook in ConfigHooks['load']:
3161
def _load_from_string(self, bytes):
3162
"""Create a config store from a string.
3164
:param bytes: A string representing the file content.
3166
if self.is_loaded():
3167
raise AssertionError('Already loaded: %r' % (self._config_obj,))
3168
co_input = StringIO(bytes)
3170
# The config files are always stored utf8-encoded
3171
self._config_obj = ConfigObj(co_input, encoding='utf-8',
3173
except configobj.ConfigObjError, e:
3174
self._config_obj = None
3175
raise errors.ParseConfigError(e.errors, self.external_url())
3176
except UnicodeDecodeError:
3177
raise errors.ConfigContentError(self.external_url())
3179
def save_changes(self):
3180
if not self.is_loaded():
3183
if not self._need_saving():
3185
# Preserve the current version
3186
current = self._config_obj
3187
dirty_sections = list(self.dirty_sections)
3188
self.apply_changes(dirty_sections)
3189
# Save to the persistent storage
3193
if not self.is_loaded():
3197
self._config_obj.write(out)
3198
self._save_content(out.getvalue())
3199
for hook in ConfigHooks['save']:
3202
def get_sections(self):
3203
"""Get the configobj section in the file order.
3205
:returns: An iterable of (store, section).
3207
# We need a loaded store
3210
except (errors.NoSuchFile, errors.PermissionDenied):
3211
# If the file can't be read, there is no sections
3213
cobj = self._config_obj
3215
yield self, self.readonly_section_class(None, cobj)
3216
for section_name in cobj.sections:
3218
self.readonly_section_class(section_name,
3219
cobj[section_name]))
3221
def get_mutable_section(self, section_id=None):
3222
# We need a loaded store
3225
except errors.NoSuchFile:
3226
# The file doesn't exist, let's pretend it was empty
3227
self._load_from_string('')
3228
if section_id is None:
3229
section = self._config_obj
3231
section = self._config_obj.setdefault(section_id, {})
3232
mutable_section = self.mutable_section_class(section_id, section)
3233
# All mutable sections can become dirty
3234
self.dirty_sections.append(mutable_section)
3235
return mutable_section
3237
def quote(self, value):
3239
# configobj conflates automagical list values and quoting
3240
self._config_obj.list_values = True
3241
return self._config_obj._quote(value)
3243
self._config_obj.list_values = False
3245
def unquote(self, value):
3246
if value and isinstance(value, basestring):
3247
# _unquote doesn't handle None nor empty strings nor anything that
3248
# is not a string, really.
3249
value = self._config_obj._unquote(value)
3252
def external_url(self):
3253
# Since an IniFileStore can be used without a file (at least in tests),
3254
# it's better to provide something than raising a NotImplementedError.
3255
# All daughter classes are supposed to provide an implementation
3257
return 'In-Process Store, no URL'
3259
class TransportIniFileStore(IniFileStore):
3260
"""IniFileStore that loads files from a transport.
3262
:ivar transport: The transport object where the config file is located.
3264
:ivar file_name: The config file basename in the transport directory.
3267
def __init__(self, transport, file_name):
3268
"""A Store using a ini file on a Transport
3270
:param transport: The transport object where the config file is located.
3271
:param file_name: The config file basename in the transport directory.
3273
super(TransportIniFileStore, self).__init__()
3274
self.transport = transport
3275
self.file_name = file_name
3277
def _load_content(self):
3279
return self.transport.get_bytes(self.file_name)
3280
except errors.PermissionDenied:
3281
trace.warning("Permission denied while trying to load "
3282
"configuration store %s.", self.external_url())
3285
def _save_content(self, content):
3286
self.transport.put_bytes(self.file_name, content)
3288
def external_url(self):
3289
# FIXME: external_url should really accepts an optional relpath
3290
# parameter (bug #750169) :-/ -- vila 2011-04-04
3291
# The following will do in the interim but maybe we don't want to
3292
# expose a path here but rather a config ID and its associated
3293
# object </hand wawe>.
3294
return urlutils.join(self.transport.external_url(), self.file_name)
3297
# Note that LockableConfigObjStore inherits from ConfigObjStore because we need
3298
# unlockable stores for use with objects that can already ensure the locking
3299
# (think branches). If different stores (not based on ConfigObj) are created,
3300
# they may face the same issue.
3303
class LockableIniFileStore(TransportIniFileStore):
3304
"""A ConfigObjStore using locks on save to ensure store integrity."""
3306
def __init__(self, transport, file_name, lock_dir_name=None):
3307
"""A config Store using ConfigObj for storage.
3309
:param transport: The transport object where the config file is located.
3311
:param file_name: The config file basename in the transport directory.
3313
if lock_dir_name is None:
3314
lock_dir_name = 'lock'
3315
self.lock_dir_name = lock_dir_name
3316
super(LockableIniFileStore, self).__init__(transport, file_name)
3317
self._lock = lockdir.LockDir(self.transport, self.lock_dir_name)
3319
def lock_write(self, token=None):
3320
"""Takes a write lock in the directory containing the config file.
3322
If the directory doesn't exist it is created.
3324
# FIXME: This doesn't check the ownership of the created directories as
3325
# ensure_config_dir_exists does. It should if the transport is local
3326
# -- vila 2011-04-06
3327
self.transport.create_prefix()
3328
return self._lock.lock_write(token)
3333
def break_lock(self):
3334
self._lock.break_lock()
3338
# We need to be able to override the undecorated implementation
3339
self.save_without_locking()
3341
def save_without_locking(self):
3342
super(LockableIniFileStore, self).save()
3345
# FIXME: global, bazaar, shouldn't that be 'user' instead or even
3346
# 'user_defaults' as opposed to 'user_overrides', 'system_defaults'
3347
# (/etc/bzr/bazaar.conf) and 'system_overrides' ? -- vila 2011-04-05
3349
# FIXME: Moreover, we shouldn't need classes for these stores either, factory
3350
# functions or a registry will make it easier and clearer for tests, focusing
3351
# on the relevant parts of the API that needs testing -- vila 20110503 (based
3352
# on a poolie's remark)
3353
class GlobalStore(LockableIniFileStore):
3355
def __init__(self, possible_transports=None):
3356
t = transport.get_transport_from_path(
3357
config_dir(), possible_transports=possible_transports)
3358
super(GlobalStore, self).__init__(t, 'bazaar.conf')
3362
class LocationStore(LockableIniFileStore):
3364
def __init__(self, possible_transports=None):
3365
t = transport.get_transport_from_path(
3366
config_dir(), possible_transports=possible_transports)
3367
super(LocationStore, self).__init__(t, 'locations.conf')
3368
self.id = 'locations'
3371
class BranchStore(TransportIniFileStore):
3373
def __init__(self, branch):
3374
super(BranchStore, self).__init__(branch.control_transport,
3376
self.branch = branch
3379
def lock_write(self, token=None):
3380
return self.branch.lock_write(token)
3383
return self.branch.unlock()
3387
# We need to be able to override the undecorated implementation
3388
self.save_without_locking()
3390
def save_without_locking(self):
3391
super(BranchStore, self).save()
3394
class ControlStore(LockableIniFileStore):
3396
def __init__(self, bzrdir):
3397
super(ControlStore, self).__init__(bzrdir.transport,
3399
lock_dir_name='branch_lock')
3403
class SectionMatcher(object):
3404
"""Select sections into a given Store.
3406
This is intended to be used to postpone getting an iterable of sections
3410
def __init__(self, store):
3413
def get_sections(self):
3414
# This is where we require loading the store so we can see all defined
3416
sections = self.store.get_sections()
3417
# Walk the revisions in the order provided
3418
for store, s in sections:
3422
def match(self, section):
3423
"""Does the proposed section match.
3425
:param section: A Section object.
3427
:returns: True if the section matches, False otherwise.
3429
raise NotImplementedError(self.match)
3432
class NameMatcher(SectionMatcher):
3434
def __init__(self, store, section_id):
3435
super(NameMatcher, self).__init__(store)
3436
self.section_id = section_id
3438
def match(self, section):
3439
return section.id == self.section_id
3442
class LocationSection(Section):
3444
def __init__(self, section, extra_path):
3445
super(LocationSection, self).__init__(section.id, section.options)
3446
self.extra_path = extra_path
3447
self.locals = {'relpath': extra_path,
3448
'basename': urlutils.basename(extra_path)}
3450
def get(self, name, default=None, expand=True):
3451
value = super(LocationSection, self).get(name, default)
3452
if value is not None and expand:
3453
policy_name = self.get(name + ':policy', None)
3454
policy = _policy_value.get(policy_name, POLICY_NONE)
3455
if policy == POLICY_APPENDPATH:
3456
value = urlutils.join(value, self.extra_path)
3457
# expand section local options right now (since POLICY_APPENDPATH
3458
# will never add options references, it's ok to expand after it).
3460
for is_ref, chunk in iter_option_refs(value):
3462
chunks.append(chunk)
3465
if ref in self.locals:
3466
chunks.append(self.locals[ref])
3468
chunks.append(chunk)
3469
value = ''.join(chunks)
3473
class StartingPathMatcher(SectionMatcher):
3474
"""Select sections for a given location respecting the Store order."""
3476
# FIXME: Both local paths and urls can be used for section names as well as
3477
# ``location`` to stay consistent with ``LocationMatcher`` which itself
3478
# inherited the fuzziness from the previous ``LocationConfig``
3479
# implementation. We probably need to revisit which encoding is allowed for
3480
# both ``location`` and section names and how we normalize
3481
# them. http://pad.lv/85479, http://pad.lv/437009 and http://359320 are
3482
# related too. -- vila 2012-01-04
3484
def __init__(self, store, location):
3485
super(StartingPathMatcher, self).__init__(store)
3486
if location.startswith('file://'):
3487
location = urlutils.local_path_from_url(location)
3488
self.location = location
3490
def get_sections(self):
3491
"""Get all sections matching ``location`` in the store.
3493
The most generic sections are described first in the store, then more
3494
specific ones can be provided for reduced scopes.
3496
The returned section are therefore returned in the reversed order so
3497
the most specific ones can be found first.
3499
location_parts = self.location.rstrip('/').split('/')
3502
# Later sections are more specific, they should be returned first
3503
for _, section in reversed(list(store.get_sections())):
3504
if section.id is None:
3505
# The no-name section is always included if present
3506
yield store, LocationSection(section, self.location)
3508
section_path = section.id
3509
if section_path.startswith('file://'):
3510
# the location is already a local path or URL, convert the
3511
# section id to the same format
3512
section_path = urlutils.local_path_from_url(section_path)
3513
if (self.location.startswith(section_path)
3514
or fnmatch.fnmatch(self.location, section_path)):
3515
section_parts = section_path.rstrip('/').split('/')
3516
extra_path = '/'.join(location_parts[len(section_parts):])
3517
yield store, LocationSection(section, extra_path)
3520
class LocationMatcher(SectionMatcher):
3522
def __init__(self, store, location):
3523
super(LocationMatcher, self).__init__(store)
3524
if location.startswith('file://'):
3525
location = urlutils.local_path_from_url(location)
3526
self.location = location
3528
def _get_matching_sections(self):
3529
"""Get all sections matching ``location``."""
3530
# We slightly diverge from LocalConfig here by allowing the no-name
3531
# section as the most generic one and the lower priority.
3532
no_name_section = None
3534
# Filter out the no_name_section so _iter_for_location_by_parts can be
3535
# used (it assumes all sections have a name).
3536
for _, section in self.store.get_sections():
3537
if section.id is None:
3538
no_name_section = section
3540
all_sections.append(section)
3541
# Unfortunately _iter_for_location_by_parts deals with section names so
3542
# we have to resync.
3543
filtered_sections = _iter_for_location_by_parts(
3544
[s.id for s in all_sections], self.location)
3545
iter_all_sections = iter(all_sections)
3546
matching_sections = []
3547
if no_name_section is not None:
3548
matching_sections.append(
3549
(0, LocationSection(no_name_section, self.location)))
3550
for section_id, extra_path, length in filtered_sections:
3551
# a section id is unique for a given store so it's safe to take the
3552
# first matching section while iterating. Also, all filtered
3553
# sections are part of 'all_sections' and will always be found
3556
section = iter_all_sections.next()
3557
if section_id == section.id:
3558
matching_sections.append(
3559
(length, LocationSection(section, extra_path)))
3561
return matching_sections
3563
def get_sections(self):
3564
# Override the default implementation as we want to change the order
3565
matching_sections = self._get_matching_sections()
3566
# We want the longest (aka more specific) locations first
3567
sections = sorted(matching_sections,
3568
key=lambda (length, section): (length, section.id),
3570
# Sections mentioning 'ignore_parents' restrict the selection
3571
for _, section in sections:
3572
# FIXME: We really want to use as_bool below -- vila 2011-04-07
3573
ignore = section.get('ignore_parents', None)
3574
if ignore is not None:
3575
ignore = ui.bool_from_string(ignore)
3578
# Finally, we have a valid section
3579
yield self.store, section
3582
_option_ref_re = lazy_regex.lazy_compile('({[^{}\n]+})')
3583
"""Describes an expandable option reference.
3585
We want to match the most embedded reference first.
3587
I.e. for '{{foo}}' we will get '{foo}',
3588
for '{bar{baz}}' we will get '{baz}'
3591
def iter_option_refs(string):
3592
# Split isolate refs so every other chunk is a ref
3594
for chunk in _option_ref_re.split(string):
3599
class Stack(object):
3600
"""A stack of configurations where an option can be defined"""
3602
def __init__(self, sections_def, store=None, mutable_section_id=None):
3603
"""Creates a stack of sections with an optional store for changes.
3605
:param sections_def: A list of Section or callables that returns an
3606
iterable of Section. This defines the Sections for the Stack and
3607
can be called repeatedly if needed.
3609
:param store: The optional Store where modifications will be
3610
recorded. If none is specified, no modifications can be done.
3612
:param mutable_section_id: The id of the MutableSection where changes
3613
are recorded. This requires the ``store`` parameter to be
3616
self.sections_def = sections_def
3618
self.mutable_section_id = mutable_section_id
3620
def get(self, name, expand=None):
3621
"""Return the *first* option value found in the sections.
3623
This is where we guarantee that sections coming from Store are loaded
3624
lazily: the loading is delayed until we need to either check that an
3625
option exists or get its value, which in turn may require to discover
3626
in which sections it can be defined. Both of these (section and option
3627
existence) require loading the store (even partially).
3629
:param name: The queried option.
3631
:param expand: Whether options references should be expanded.
3633
:returns: The value of the option.
3635
# FIXME: No caching of options nor sections yet -- vila 20110503
3637
expand = _get_expand_default_value()
3639
found_store = None # Where the option value has been found
3640
# If the option is registered, it may provide additional info about
3643
opt = option_registry.get(name)
3648
def expand_and_convert(val):
3649
# This may need to be called in different contexts if the value is
3650
# None or ends up being None during expansion or conversion.
3653
if isinstance(val, basestring):
3654
val = self._expand_options_in_string(val)
3656
trace.warning('Cannot expand "%s":'
3657
' %s does not support option expansion'
3658
% (name, type(val)))
3660
val = found_store.unquote(val)
3662
val = opt.convert_from_unicode(found_store, val)
3665
# First of all, check if the environment can override the configuration
3667
if opt is not None and opt.override_from_env:
3668
value = opt.get_override()
3669
value = expand_and_convert(value)
3671
# Ensuring lazy loading is achieved by delaying section matching
3672
# (which implies querying the persistent storage) until it can't be
3673
# avoided anymore by using callables to describe (possibly empty)
3675
for sections in self.sections_def:
3676
for store, section in sections():
3677
value = section.get(name)
3678
if value is not None:
3681
if value is not None:
3683
value = expand_and_convert(value)
3684
if opt is not None and value is None:
3685
# If the option is registered, it may provide a default value
3686
value = opt.get_default()
3687
value = expand_and_convert(value)
3688
for hook in ConfigHooks['get']:
3689
hook(self, name, value)
3692
def expand_options(self, string, env=None):
3693
"""Expand option references in the string in the configuration context.
3695
:param string: The string containing option(s) to expand.
3697
:param env: An option dict defining additional configuration options or
3698
overriding existing ones.
3700
:returns: The expanded string.
3702
return self._expand_options_in_string(string, env)
3704
def _expand_options_in_string(self, string, env=None, _refs=None):
3705
"""Expand options in the string in the configuration context.
3707
:param string: The string to be expanded.
3709
:param env: An option dict defining additional configuration options or
3710
overriding existing ones.
3712
:param _refs: Private list (FIFO) containing the options being expanded
3715
:returns: The expanded string.
3718
# Not much to expand there
3721
# What references are currently resolved (to detect loops)
3724
# We need to iterate until no more refs appear ({{foo}} will need two
3725
# iterations for example).
3730
for is_ref, chunk in iter_option_refs(result):
3732
chunks.append(chunk)
3737
raise errors.OptionExpansionLoop(string, _refs)
3739
value = self._expand_option(name, env, _refs)
3741
raise errors.ExpandingUnknownOption(name, string)
3742
chunks.append(value)
3744
result = ''.join(chunks)
3747
def _expand_option(self, name, env, _refs):
3748
if env is not None and name in env:
3749
# Special case, values provided in env takes precedence over
3753
value = self.get(name, expand=False)
3754
value = self._expand_options_in_string(value, env, _refs)
3757
def _get_mutable_section(self):
3758
"""Get the MutableSection for the Stack.
3760
This is where we guarantee that the mutable section is lazily loaded:
3761
this means we won't load the corresponding store before setting a value
3762
or deleting an option. In practice the store will often be loaded but
3763
this helps catching some programming errors.
3766
section = store.get_mutable_section(self.mutable_section_id)
3767
return store, section
3769
def set(self, name, value):
3770
"""Set a new value for the option."""
3771
store, section = self._get_mutable_section()
3772
section.set(name, store.quote(value))
3773
for hook in ConfigHooks['set']:
3774
hook(self, name, value)
3776
def remove(self, name):
3777
"""Remove an existing option."""
3778
_, section = self._get_mutable_section()
3779
section.remove(name)
3780
for hook in ConfigHooks['remove']:
3784
# Mostly for debugging use
3785
return "<config.%s(%s)>" % (self.__class__.__name__, id(self))
3787
def _get_overrides(self):
3788
# Hack around library_state.initialize never called
3789
if bzrlib.global_state is not None:
3790
return bzrlib.global_state.cmdline_overrides.get_sections()
3794
class MemoryStack(Stack):
3795
"""A configuration stack defined from a string.
3797
This is mainly intended for tests and requires no disk resources.
3800
def __init__(self, content=None):
3801
"""Create an in-memory stack from a given content.
3803
It uses a single store based on configobj and support reading and
3806
:param content: The initial content of the store. If None, the store is
3807
not loaded and ``_load_from_string`` can and should be used if
3810
store = IniFileStore()
3811
if content is not None:
3812
store._load_from_string(content)
3813
super(MemoryStack, self).__init__(
3814
[store.get_sections], store)
3817
class _CompatibleStack(Stack):
3818
"""Place holder for compatibility with previous design.
3820
This is intended to ease the transition from the Config-based design to the
3821
Stack-based design and should not be used nor relied upon by plugins.
3823
One assumption made here is that the daughter classes will all use Stores
3824
derived from LockableIniFileStore).
3826
It implements set() and remove () by re-loading the store before applying
3827
the modification and saving it.
3829
The long term plan being to implement a single write by store to save
3830
all modifications, this class should not be used in the interim.
3833
def set(self, name, value):
3836
super(_CompatibleStack, self).set(name, value)
3837
# Force a write to persistent storage
3840
def remove(self, name):
3843
super(_CompatibleStack, self).remove(name)
3844
# Force a write to persistent storage
3848
class GlobalStack(_CompatibleStack):
3849
"""Global options only stack.
3851
The following sections are queried:
3853
* command-line overrides,
3855
* the 'DEFAULT' section in bazaar.conf
3857
This stack will use the ``DEFAULT`` section in bazaar.conf as its
3862
gstore = GlobalStore()
3863
super(GlobalStack, self).__init__(
3864
[self._get_overrides,
3865
NameMatcher(gstore, 'DEFAULT').get_sections],
3866
gstore, mutable_section_id='DEFAULT')
3869
class LocationStack(_CompatibleStack):
3870
"""Per-location options falling back to global options stack.
3873
The following sections are queried:
3875
* command-line overrides,
3877
* the sections matching ``location`` in ``locations.conf``, the order being
3878
defined by the number of path components in the section glob, higher
3879
numbers first (from most specific section to most generic).
3881
* the 'DEFAULT' section in bazaar.conf
3883
This stack will use the ``location`` section in locations.conf as its
3887
def __init__(self, location):
3888
"""Make a new stack for a location and global configuration.
3890
:param location: A URL prefix to """
3891
lstore = LocationStore()
3892
if location.startswith('file://'):
3893
location = urlutils.local_path_from_url(location)
3894
gstore = GlobalStore()
3895
super(LocationStack, self).__init__(
3896
[self._get_overrides,
3897
LocationMatcher(lstore, location).get_sections,
3898
NameMatcher(gstore, 'DEFAULT').get_sections],
3899
lstore, mutable_section_id=location)
3902
class BranchStack(_CompatibleStack):
3903
"""Per-location options falling back to branch then global options stack.
3905
The following sections are queried:
3907
* command-line overrides,
3909
* the sections matching ``location`` in ``locations.conf``, the order being
3910
defined by the number of path components in the section glob, higher
3911
numbers first (from most specific section to most generic),
3913
* the no-name section in branch.conf,
3915
* the ``DEFAULT`` section in ``bazaar.conf``.
3917
This stack will use the no-name section in ``branch.conf`` as its
3921
def __init__(self, branch):
3922
lstore = LocationStore()
3923
bstore = branch._get_config_store()
3924
gstore = GlobalStore()
3925
super(BranchStack, self).__init__(
3926
[self._get_overrides,
3927
LocationMatcher(lstore, branch.base).get_sections,
3928
NameMatcher(bstore, None).get_sections,
3929
NameMatcher(gstore, 'DEFAULT').get_sections],
3931
self.branch = branch
3934
class RemoteControlStack(_CompatibleStack):
3935
"""Remote control-only options stack."""
3937
# FIXME 2011-11-22 JRV This should probably be renamed to avoid confusion
3938
# with the stack used for remote bzr dirs. RemoteControlStack only uses
3939
# control.conf and is used only for stack options.
3941
def __init__(self, bzrdir):
3942
cstore = bzrdir._get_config_store()
3943
super(RemoteControlStack, self).__init__(
3944
[NameMatcher(cstore, None).get_sections],
3946
self.bzrdir = bzrdir
3949
class BranchOnlyStack(_CompatibleStack):
3950
"""Branch-only options stack."""
3952
# FIXME: _BranchOnlyStack only uses branch.conf and is used only for the
3953
# stacked_on_location options waiting for http://pad.lv/832042 to be fixed.
3954
# -- vila 2011-12-16
3956
def __init__(self, branch):
3957
bstore = branch._get_config_store()
3958
super(BranchOnlyStack, self).__init__(
3959
[NameMatcher(bstore, None).get_sections],
3961
self.branch = branch
3964
# Use a an empty dict to initialize an empty configobj avoiding all
3965
# parsing and encoding checks
3966
_quoting_config = configobj.ConfigObj(
3967
{}, encoding='utf-8', interpolation=False, list_values=True)
3969
class cmd_config(commands.Command):
3970
__doc__ = """Display, set or remove a configuration option.
3972
Display the active value for a given option.
3974
If --all is specified, NAME is interpreted as a regular expression and all
3975
matching options are displayed mentioning their scope. The active value
3976
that bzr will take into account is the first one displayed for each option.
3978
If no NAME is given, --all .* is implied.
3980
Setting a value is achieved by using name=value without spaces. The value
3981
is set in the most relevant scope and can be checked by displaying the
3985
takes_args = ['name?']
3989
# FIXME: This should be a registry option so that plugins can register
3990
# their own config files (or not) and will also address
3991
# http://pad.lv/788991 -- vila 20101115
3992
commands.Option('scope', help='Reduce the scope to the specified'
3993
' configuration file.',
3995
commands.Option('all',
3996
help='Display all the defined values for the matching options.',
3998
commands.Option('remove', help='Remove the option from'
3999
' the configuration file.'),
4002
_see_also = ['configuration']
4004
@commands.display_command
4005
def run(self, name=None, all=False, directory=None, scope=None,
4007
if directory is None:
4009
directory = urlutils.normalize_url(directory)
4011
raise errors.BzrError(
4012
'--all and --remove are mutually exclusive.')
4014
# Delete the option in the given scope
4015
self._remove_config_option(name, directory, scope)
4017
# Defaults to all options
4018
self._show_matching_options('.*', directory, scope)
4021
name, value = name.split('=', 1)
4023
# Display the option(s) value(s)
4025
self._show_matching_options(name, directory, scope)
4027
self._show_value(name, directory, scope)
4030
raise errors.BzrError(
4031
'Only one option can be set.')
4032
# Set the option value
4033
self._set_config_option(name, value, directory, scope)
4035
def _get_stack(self, directory, scope=None):
4036
"""Get the configuration stack specified by ``directory`` and ``scope``.
4038
:param directory: Where the configurations are derived from.
4040
:param scope: A specific config to start from.
4042
# FIXME: scope should allow access to plugin-specific stacks (even
4043
# reduced to the plugin-specific store), related to
4044
# http://pad.lv/788991 -- vila 2011-11-15
4045
if scope is not None:
4046
if scope == 'bazaar':
4047
return GlobalStack()
4048
elif scope == 'locations':
4049
return LocationStack(directory)
4050
elif scope == 'branch':
4052
controldir.ControlDir.open_containing_tree_or_branch(
4054
return br.get_config_stack()
4055
raise errors.NoSuchConfig(scope)
4059
controldir.ControlDir.open_containing_tree_or_branch(
4061
return br.get_config_stack()
4062
except errors.NotBranchError:
4063
return LocationStack(directory)
4065
def _show_value(self, name, directory, scope):
4066
conf = self._get_stack(directory, scope)
4067
value = conf.get(name, expand=True)
4068
if value is not None:
4069
# Quote the value appropriately
4070
value = _quoting_config._quote(value)
4071
self.outf.write('%s\n' % (value,))
4073
raise errors.NoSuchConfigOption(name)
4075
def _show_matching_options(self, name, directory, scope):
4076
name = lazy_regex.lazy_compile(name)
4077
# We want any error in the regexp to be raised *now* so we need to
4078
# avoid the delay introduced by the lazy regexp. But, we still do
4079
# want the nicer errors raised by lazy_regex.
4080
name._compile_and_collapse()
4083
conf = self._get_stack(directory, scope)
4084
for sections in conf.sections_def:
4085
for store, section in sections():
4086
for oname in section.iter_option_names():
4087
if name.search(oname):
4088
if cur_store_id != store.id:
4089
# Explain where the options are defined
4090
self.outf.write('%s:\n' % (store.id,))
4091
cur_store_id = store.id
4093
if (section.id is not None
4094
and cur_section != section.id):
4095
# Display the section id as it appears in the store
4096
# (None doesn't appear by definition)
4097
self.outf.write(' [%s]\n' % (section.id,))
4098
cur_section = section.id
4099
value = section.get(oname, expand=False)
4100
# Since we don't use the stack, we need to restore a
4103
opt = option_registry.get(oname)
4104
value = opt.convert_from_unicode(store, value)
4106
value = store.unquote(value)
4107
value = _quoting_config._quote(value)
4108
self.outf.write(' %s = %s\n' % (oname, value))
4110
def _set_config_option(self, name, value, directory, scope):
4111
conf = self._get_stack(directory, scope)
4112
conf.set(name, value)
4114
def _remove_config_option(self, name, directory, scope):
4116
raise errors.BzrCommandError(
4117
'--remove expects an option to remove.')
4118
conf = self._get_stack(directory, scope)
4122
raise errors.NoSuchConfigOption(name)
4127
# We need adapters that can build a Store or a Stack in a test context. Test
4128
# classes, based on TestCaseWithTransport, can use the registry to parametrize
4129
# themselves. The builder will receive a test instance and should return a
4130
# ready-to-use store or stack. Plugins that define new store/stacks can also
4131
# register themselves here to be tested against the tests defined in
4132
# bzrlib.tests.test_config. Note that the builder can be called multiple times
4133
# for the same test.
4135
# The registered object should be a callable receiving a test instance
4136
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Store
4138
test_store_builder_registry = registry.Registry()
4140
# The registered object should be a callable receiving a test instance
4141
# parameter (inheriting from tests.TestCaseWithTransport) and returning a Stack
4143
test_stack_builder_registry = registry.Registry()